CN211239473U

CN211239473U - Fixable motor rotor

Info

Publication number: CN211239473U
Application number: CN201922434349.7U
Authority: CN
Inventors: 周武兵
Original assignee: Chaodian Huizhou Motor Technology Co ltd
Current assignee: Chaodian Huizhou Motor Technology Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-08-11
Anticipated expiration: 2029-12-30

Abstract

A fixable motor rotor comprises a rotor, wherein the rotor comprises an outer ring and a rotary core which is arranged in the outer ring and used for rotating, the middle part of the inner side wall of the outer ring is sunken to form a circle of annular cylindrical mounting groove, a plurality of vertical rotating shafts are connected to the upper wall and the lower wall of the mounting groove, N deep groove bearings are fixed on each rotating shaft, and the side wall of the rotary core is in sliding fit with the deep groove bearings of the outer ring; the outer side wall of the outer ring is also provided with M vertical semicircular fixing grooves, and the upper end and the lower end of each semicircular fixing groove respectively extend out of the top and the bottom of the outer ring; the rotor is formed by the sliding connection of the outer ring and the rotating core, the outer ring is fixed on the inner wall of the stator through the fixing groove, the rotating core and the stator are axially connected, and when the motor runs, the relative axial rotation of the rotor and the stator is not eccentric, so that the installation accuracy is improved, and unnecessary electric energy loss is reduced.

Description

Fixable motor rotor

Technical Field

The utility model belongs to the technical field of the motor and specifically relates to a motor rotor that can fix is related to.

Background

The motor is an electromagnetic device which converts or transmits electric energy through a winding mode according to an electromagnetic induction law, or converts one form of electric energy into another form of electric energy. The motor converts electric energy into mechanical energy, and the generator converts the mechanical energy into electric energy; its main effect is to produce driving torque, as the power supply with electrical apparatus or various machinery, in the motor wire frame, the number of turns of wire winding is more, it is just bigger according to produced power supply, current motor, mostly adopt the swing joint with rotor and stator to constitute the inside main core of motor, the rotor is through on the shell with two axle ends activity fixed in the motor, the stator is then fixed in the inside of motor shell, and there is not the relation of connection between rotor and the stator, there is predetermined axial error between this kind of mounting means will cause rotor and the stator, lead to the motor need do partly useless work more when the operation and compensate this error, will consume certain electric quantity.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.

A fixable motor rotor comprises a rotor, wherein the rotor comprises an outer ring and a rotary core which is arranged in the outer ring and used for rotating, the middle part of the inner side wall of the outer ring is sunken to form a circle of annular cylindrical mounting groove, a plurality of vertical rotating shafts are connected to the upper wall and the lower wall of the mounting groove, N deep groove bearings are fixed on each rotating shaft, and the side wall of the rotary core is in sliding fit with the deep groove bearings of the outer ring; the outer ring is characterized in that M vertical semicircular fixing grooves are further formed in the outer side wall of the outer ring, and the top and the bottom of the outer ring extend out of the upper end and the lower end of each semicircular fixing groove respectively.

Furthermore, N pairs of clamp spring grooves which are uniformly distributed are formed in the rotating shaft, clamp springs are fixed in the clamp spring grooves, a deep groove bearing corresponds to each pair of clamp spring grooves, and the deep groove bearings are fixed on the rotating shaft through the clamp springs.

Furthermore, the thickness of the rotary core is larger than the width of the mounting groove, and the side wall of the deep groove bearing is exposed out of the mounting groove.

Furthermore, a shaft mounting through hole is formed in the center line of the rotating core, and a motor shaft is riveted on the shaft mounting through hole.

Further, N is a natural integer greater than 2.

Further, M is a natural integer greater than 3.

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

the rotor is formed by the sliding connection of the outer ring and the rotating core, the outer ring is fixed on the inner wall of the stator through the fixing groove, the rotating core and the stator are axially connected, and when the motor runs, the relative axial rotation of the rotor and the stator is not eccentric, so that the installation accuracy is improved, and unnecessary electric energy loss is reduced.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic view of the external structure of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the present invention.

Fig. 3 is a schematic view of the connection structure between the rotation core and the outer ring of the present invention.

Fig. 4 is an enlarged schematic view of a in fig. 3 according to the present invention.

Fig. 5 is a schematic view of the mounting structure of the present invention to the stator.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, in an embodiment of the present invention, a fixable motor rotor includes a rotor 1, the rotor 1 includes an outer ring 20 and a rotary core 10 installed inside the outer ring 20 for rotation, a middle portion of an inner side wall of the outer ring 20 is recessed to form a circular cylindrical installation groove 21, upper and lower walls of the installation groove 21 are connected with a plurality of vertical rotating shafts 22, each rotating shaft 22 is fixed with N deep groove bearings 23, and a side wall of the rotary core 10 is in sliding fit with the deep groove bearing 23 of the outer ring 20; the outer side wall of the outer ring 20 is further provided with M vertical semicircular fixing grooves 25, and the upper end and the lower end of each semicircular fixing groove 25 respectively extend out of the top and the bottom of the outer ring 20.

In the embodiment, the rotor 1 is formed by slidably connecting the outer ring 20 and the rotary core 10, the outer ring 20 is fixed on the inner wall of the stator through a fixing groove, as shown in fig. 5, a clamping strip combined with the fixing groove of the outer ring 20 is formed on the inner ring of the stator; the rotating core 10 and the stator are axially connected, and when the motor operates, the relative axial rotation of the rotor 1 and the stator can be ensured not to be eccentric, so that the mounting accuracy is improved, and unnecessary electric energy loss is reduced.

As further shown in fig. 3 and 4, the rotating shaft 22 is provided with N pairs of uniformly distributed snap spring 24 grooves, the snap springs 24 are fixed in the snap spring 24 grooves, a deep groove bearing 23 corresponds to each pair of snap spring 24 grooves, and the deep groove bearing 23 is fixed on the rotating shaft 22 through the snap springs 24.

As further shown in fig. 3, the thickness of the rotary core 10 is greater than the width of the mounting groove 21, and the side wall of the deep groove bearing 23 is exposed outside the mounting groove 21. The rotary core 10 can be in sliding fit with the deep groove bearing 23 of the outer ring 20 without contacting the outer ring 20 and generating friction at the upper end and the lower end of the mounting groove 21.

As further shown in fig. 3, a shaft mounting hole 11 is formed on a center line of the rotary core 10, and a motor shaft 12 is riveted to the shaft mounting hole 11.

Further, N is a natural integer greater than 2, and the installation stability of the rotary core 10 is guaranteed.

Further, M is a natural integer greater than 3, so that the outer ring 20 and the stator can be stably fixed.

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.

Claims

1. A fixable motor rotor comprises a rotor and is characterized in that the rotor comprises an outer ring and a rotary core which is arranged in the outer ring and used for rotating, the middle part of the inner side wall of the outer ring is sunken inwards to form a circle of annular cylindrical mounting groove, a plurality of vertical rotating shafts are connected to the upper wall and the lower wall of the mounting groove, N deep groove bearings are fixed on each rotating shaft, and the side wall of the rotary core is in sliding fit with the deep groove bearings of the outer ring; the outer ring is characterized in that M vertical semicircular fixing grooves are further formed in the outer side wall of the outer ring, and the top and the bottom of the outer ring extend out of the upper end and the lower end of each semicircular fixing groove respectively.

2. The fixable motor rotor according to claim 1, wherein the rotating shaft is provided with N pairs of uniformly distributed clamp spring grooves, clamp springs are fixed in the clamp spring grooves, a deep groove bearing is arranged between each pair of clamp spring grooves, and the deep groove bearing is fixed on the rotating shaft through the clamp springs.

3. The fixable electric machine rotor of claim 1, wherein said rotary core has a thickness greater than the width of the mounting slot and the side walls of the deep groove bearing are exposed outside the mounting slot.

4. The fixable motor rotor according to claim 1, wherein a shaft mounting through hole is formed on a center line of the rotating core, and a motor shaft is riveted to the shaft mounting through hole.

5. A fixable electric machine rotor according to claim 1, characterised in that N is a natural integer greater than 2.

6. A fixable electric machine rotor according to claim 1, characterised in that M is a natural integer greater than 3.