CN220190547U - Motor rotor capable of being additionally provided with iron core - Google Patents

Abstract

The utility model relates to the field of motor accessories, in particular to a motor rotor capable of additionally installing iron cores, which comprises a rotor body, wherein the rotor body comprises a plurality of iron core pieces, the iron core pieces are of a circular structure, a circular hole is formed in the center of each iron core piece, a plurality of wire blocking pieces are arranged around the outer side of each iron core piece, and wire blocking grooves are formed between the adjacent wire blocking pieces.

Description

Motor rotor capable of being additionally provided with iron core

Technical Field

The utility model relates to the field of motor accessories, in particular to a motor rotor capable of being additionally provided with an iron core.

Background

The motor rotor is a rotating part in the motor, the motor consists of a rotor and a stator, the motor rotor is a conversion device for realizing electric energy and mechanical energy and electric energy, and the motor rotor is divided into a motor rotor and a generator rotor.

The conventional motor rotor is often manufactured from a raw material by a machining related process, the length of the motor rotor cannot be changed after machining, and the length and the number of the externally wound iron cores of the rotor cannot be changed, so that the motor rotor cannot change the driving force and the driving moment of the motor.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a motor rotor capable of being additionally provided with an iron core.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model discloses a motor rotor capable of additionally installing iron cores, which comprises a rotor body, wherein the rotor body comprises a plurality of iron core sheets, the iron core sheets are of circular structures, a circular hole is formed in the center of each iron core sheet, a plurality of wire blocking sheets are arranged on the outer sides of the iron core sheets in a surrounding mode, wire blocking grooves are formed between the adjacent wire blocking sheets, positioning holes are formed in one side of each iron core sheet, positioning protruding rods are arranged on the other side of each iron core sheet, the positioning protruding rods and the positioning holes are symmetrically formed in two sides of each iron core sheet, clamping grooves are formed in one side of the top end of each wire blocking sheet, clamping rods are arranged on the other side of the top end of each wire blocking sheet and are matched with the corresponding clamping grooves, fixing holes are formed in the iron core sheets, fixing rods are arranged in the fixing holes, and limiting nuts are arranged at two ends of each fixing rod through a threaded structure.

In order to facilitate heat dissipation of the iron core plate, the utility model is improved in that the iron core plate is provided with heat dissipation holes which are arc-shaped structures, and a plurality of diversion trenches are arranged in the heat dissipation holes.

In order to facilitate stacking and splicing between iron core plates, the utility model is improved in that the positioning holes and the positioning convex rods are arranged on the iron core plates in a surrounding way, and the positioning holes and the positioning convex rods are respectively provided with at least four.

In order to ensure the firmness of connection between the positioning hole and the positioning convex rod, the utility model is improved in that a plurality of vertical grooves are formed in the outer side of the positioning hole in a surrounding manner, the positioning convex rod is matched with the positioning hole, a plurality of vertical rods are formed in the outer side of the positioning convex rod in a surrounding manner, and the vertical rods are matched with the vertical grooves.

In order to ensure the stability of the splicing of the clamping rod and the clamping groove, the utility model is improved in that the clamping rod and the clamping groove are both of T-shaped structures.

In order to ensure the use effect of the circular hole, the utility model is improved in that a plurality of limit grooves are arranged on the inner side of the circular hole in a surrounding manner.

(III) beneficial effects

Compared with the prior art, the utility model provides the motor rotor capable of being additionally provided with the iron core, which has the following beneficial effects:

in the using process of the rotor, the rotor body is assembled by stacking a plurality of iron core sheets, the adjacent iron core sheets are combined with the positioning holes by utilizing the positioning convex rods and the clamping grooves during stacking, the phenomenon that the iron core sheets are easy to misplace in the high-speed rotation of the rotor body is avoided, the winding resistance length wound on the inner side of the winding resistance groove is changed along with the increase or decrease of the number of the assembled iron core sheets, and finally the driving force generated by the whole rotor body for cutting the magnetic induction wire is also changed, so that the motor starting force and the starting moment are changed.

Drawings

FIG. 1 is a schematic view of a rotor body according to the present utility model;

FIG. 2 is a schematic view of a rotor body mounting retaining bar according to the present utility model;

FIG. 3 is a schematic view of one surface of the iron core plate according to the present utility model;

FIG. 4 is a schematic view of another surface structure of the iron core plate of the present utility model;

in the figure: 1. a rotor body; 2. iron core pieces; 3. a wire resistance sheet; 4. a wire resistance groove; 5. a circular ring hole; 6. positioning the convex rod; 7. a heat radiation hole; 8. a fixing hole; 9. a clamping groove; 10. a diversion trench; 11. a limit groove; 12. positioning holes; 13. a clamping rod; 14. a fixed rod; 15. a limit nut; 16. a vertical groove; 17. a vertical rod;

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the motor rotor capable of additionally installing iron cores of the utility model comprises a rotor body 1, wherein the rotor body 1 comprises a plurality of iron core pieces 2, the iron core pieces 2 are of circular structures, circular holes 5 are formed in the centers of the iron core pieces 2, a plurality of wire blocking pieces 3 are arranged on the outer sides of the iron core pieces 2 in a surrounding mode, wire blocking grooves 4 are formed between the adjacent wire blocking pieces 3, one side of the iron core pieces 2 is provided with positioning holes 12, the other side of the iron core pieces 2 is provided with positioning convex rods 6, the positioning convex rods 6 and the positioning holes 12 are symmetrically arranged on two sides of the iron core pieces 2, clamping grooves 9 are formed in one side of the top ends of the wire blocking pieces 3, clamping rods 13 are arranged on the other side of the top ends of the wire blocking pieces 3, the clamping rods 13 are matched with the clamping grooves 9, fixing holes 8 are formed in the iron core pieces 2, fixing rods 14 are arranged in the fixing holes 8, and limiting nuts 15 are arranged at two ends of the fixing rods 14 through thread structures.

The rotor body 1 leads to the temperature to rise easily in high-speed rotation, and the iron core piece 2 if work in high temperature environment for a long time leads to the life of rotor body 1 to reduce easily, in this embodiment, is equipped with louvre 7 on the iron core piece 2, and louvre 7 is the arc structure, and is equipped with a plurality of guiding gutter 10 in the louvre 7, according to above-mentioned structure, utilizes louvre 7 to make the air current be convenient for circulate on iron core piece 2 to the iron core piece 2 cooling, utilizes guiding gutter 10 to increase the area of louvre 7 and air current contact simultaneously.

The fastness of concatenation between the adjacent iron core piece 2 needs to be guaranteed to a plurality of iron core piece 2 in this equipment behind the mutual stack, adjacent iron core piece 2 if the infirm of concatenation, rotor body 1 is in high-speed rotation, iron core piece 2 then takes place dislocation phenomenon easily, in this embodiment, locating hole 12 and location protruding pole 6 encircle the setting on iron core piece 2, and locating hole 12 and location protruding pole 6 are equipped with four respectively at least, the outside of locating hole 12 is encircleed and is equipped with a plurality of vertical groove 16, location protruding pole 6 and locating hole 12 adaptation, and the outside of location protruding pole 6 is encircleed and is equipped with a plurality of montant 17, montant 17 and vertical groove 16 looks adaptation, according to above-mentioned structure, splice back with location protruding pole 6 and locating hole 12 between the adjacent iron core piece 2 the compactness of folding.

The splicing structure of the clamping rod 13 and the clamping groove 9 in the utility model is not limited in particular, and the splicing stability of the clamping rod 13 and the clamping groove 9 is ensured, and the clamping rod 13 and the clamping groove 9 are both in a T-shaped structure in the preferred scheme in the embodiment.

The structure of the circular ring hole 5 in the utility model is not limited in particular, and the firmness of the installation of the iron core plate 2 on the rotating shaft of the motor is guaranteed, and in the preferred scheme in the embodiment, a plurality of limit grooves 11 are arranged around the inner side of the circular ring hole 5, and when the circular ring hole is connected with the rotating shaft of the motor, limit rods can be arranged on the rotating shaft in advance to be matched with the limit grooves 11.

In summary, this can install motor rotor of iron core additional, the in-process rotor body 1 that uses adopts a plurality of iron core piece 2 to fold and splice and assemble, adjacent iron core piece 2 utilizes location protruding pole 6 and locating hole 12 to combine when folding and splice, simultaneously utilize clamping lever 13 and draw-in groove 9 to combine, avoid rotor body 1 in high-speed rotation, iron core piece 2 takes place dislocation phenomenon easily, pass fixed orifices 8 on iron core piece 2 through dead lever 14 again, and fasten with limit nut 15, guarantee the fastness after a plurality of iron core piece 2 splice, realize the assembly of whole motor rotor, assemble through ring hole 5 between pivot and the rotor body 1 again, along with the increase or the reduction of assembly iron core piece 2 quantity, the wire winding resistance length of winding on the inboard of line resistance groove 4 also changes, finally the driving force that whole rotor body 1 cuts the line of magnetic induction and generates also changes, thereby realize motor start power and starting moment's change.

It will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations may be made to 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 (6)

1. The utility model provides a motor rotor that can install iron core additional, its characterized in that, including rotor body (1), rotor body (1) includes a plurality of iron core piece (2), iron core piece (2) are circular structure, the center department of iron core piece (2) is equipped with ring hole (5), the outside of iron core piece (2) is encircleed and is equipped with a plurality of line and hinders piece (3), and is equipped with line between the adjacent line and hinder piece (3) and hinder groove (4), one side of iron core piece (2) is equipped with locating hole (12), the opposite side of iron core piece (2) is equipped with location protruding pole (6), location protruding pole (6) and locating hole (12) are in the two-sided symmetry setting of iron core piece (2), one side on line hinder piece (3) top is equipped with draw-in groove (9), the opposite side on line hinder piece (3) top is equipped with draw-in bar (13), just be equipped with fixed orifices (8) on iron core piece (2), fixed orifices (8) installs in the fixed orifices (14), two-piece (14) have limit nut through the fixed knot.

2. The motor rotor with the additional iron core according to claim 1, wherein the iron core sheet (2) is provided with a heat dissipation hole (7), the heat dissipation hole (7) is of an arc structure, and a plurality of diversion trenches (10) are arranged in the heat dissipation hole (7).

3. The motor rotor with the additional iron core according to claim 2, wherein the positioning holes (12) and the positioning protruding rods (6) are circumferentially arranged on the iron core sheet (2), and the positioning holes (12) and the positioning protruding rods (6) are respectively provided with at least four positioning protruding rods.

4. A motor rotor capable of being additionally provided with an iron core according to claim 3, characterized in that a plurality of vertical grooves (16) are formed around the outer side of the positioning hole (12), the positioning convex rod (6) is matched with the positioning hole (12), a plurality of vertical rods (17) are formed around the outer side of the positioning convex rod (6), and the vertical rods (17) are matched with the vertical grooves (16).

5. The motor rotor with the additional iron core according to claim 4, wherein the clamping rod (13) and the clamping groove (9) are of T-shaped structures.

6. The motor rotor with the additional iron core according to claim 5, wherein a plurality of limiting grooves (11) are formed around the inner side of the circular ring hole (5).