CN214900399U

CN214900399U - Integrated magnetic rotor with strong structural stability

Info

Publication number: CN214900399U
Application number: CN202121337396.0U
Authority: CN
Inventors: 王昭钰; 曹建军
Original assignee: Haian Juli Magnetic Material Co ltd
Current assignee: Haian Juli Magnetic Material Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2021-11-26
Anticipated expiration: 2031-06-16

Abstract

The utility model discloses an integrated magnetic rotor with strong structural stability, which comprises a rotor core, wherein the surface of the rotor core is symmetrically provided with grooves; a threaded end fixedly disposed at one end of the rotor core; the shaft center is arranged outside the rotor core, and a reserved groove is formed in the surface of the shaft center; a rotating shaft fixedly disposed outside the shaft center. This integral type magnetism rotor that structural stability is strong, compare with current device, be annular indent structure through the recess, set up three groups along the rotor core surface, install the rotor core in the mould of making the axle center, make when injection moulding forms wholly, use through the recess makes the rotation axis in the lump with axle center fixed connection, make magnetism rotor formula connection structure as an organic whole, stability is stronger, the steadiness in using is guaranteed, use through the screw thread end, adopt threaded connection when making magnetism rotor and external structure be connected, increase area of contact, make connection stability reinforcing.

Description

Integrated magnetic rotor with strong structural stability

Technical Field

The utility model relates to a magnetism rotor technical field specifically is a strong integral type magnetism rotor of structural stability.

Background

The rotor of the motor is divided into a magnetic rotor and a non-magnetic rotor, wherein the magnetic rotor comprises a rotor core and a magnetic shoe arranged on the rotor core, the magnetic shoe has magnetism, the magnetic interaction of the magnetic shoe and a stator drives the rotor core to rotate, the rotating speed of the general magnetic rotor is higher in use, the magnetic rotor is generally composed of a sleeve body formed by material injection molding and a rotating shaft which is arranged at the center of the sleeve body and is made of metal, the sleeve body and the rotating shaft are generally connected through a flat key, the manufacturing and processing are complex, the stress concentration phenomenon is easy to generate, and the service life of the magnetic rotor is shortened.

The existing magnetic rotor has the problems that the structure is unstable when the existing magnetic rotor is used, the stress concentration phenomenon is easily caused, and the service life of the magnetic rotor is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a strong integral type magnetism rotor of structural stability to propose in solving above-mentioned background art because current magnetism rotor unstable structure when using, cause stress concentration phenomenon easily, shorten magnetism rotor life's problem.

In order to achieve the above object, the utility model provides a following technical scheme: an integral magnetic rotor with high structural stability, comprising:

the rotor comprises a rotor core, wherein grooves are symmetrically arranged on the surface of the rotor core;

a threaded end fixedly disposed at one end of the rotor core;

the shaft center is arranged outside the rotor core, and a reserved groove is formed in the surface of the shaft center;

a rotating shaft fixedly disposed outside the shaft center.

Preferably, the recess is that the annular circumference encircles, the recess is provided with three groups, the recess is along the surperficial equidistance distribution of rotor core.

Preferably, the threaded end is of a threaded structure and is fixedly connected with the rotor core in an integrated manner.

Preferably, the shaft center is in adhesive connection with the rotating shaft, and the shaft center is fixedly connected with the rotor core.

Preferably, the rotating shaft is further provided with:

the lug is fixedly arranged on the surface of the rotating shaft, and a permanent magnet is arranged on one of the lugs;

and the outer shell is arranged outside the rotating shaft, and the surface of the rotating shaft is provided with a seal.

Preferably, be adhesive connection between permanent magnet and the rotation axis, permanent magnet and lug closely laminate.

Preferably, the outer shell is a cylindrical structure, the rotating shaft penetrates through the inner part of the outer shell, and the sealing strips are uniformly distributed along the surface of the outer shell.

Compared with the prior art, the utility model provides a strong integral type magnetism rotor of structural stability possesses following beneficial effect: this integral type magnetism rotor that structural stability is strong passes through the recess and installs the rotor core in the mould of making the axle center for when injection moulding processing forms wholly, the rotation axis also in the lump with axle center fixed connection, the design of integral type has improved the steadiness of magnetism rotor like this, and the operating mode wide range of being suitable for has avoided stress concentration's phenomenon, thereby has improved the life of magnetism rotor.

1. The utility model discloses a recess is annular indent structure, sets up three groups along the rotor core surface, installs the rotor core in the mould of making the axle center, makes when the injection moulding processing forms wholly, makes the rotation axis be connected with axle center fixed connection in the lump through the use of recess, makes magnetism rotor formula connection structure as an organic whole, and stability is stronger, guarantees the steadiness in the use, through the use of screw thread end, adopts threaded connection when making magnetism rotor be connected with external structure, increases area of contact, makes connection stability reinforcing;

2. the utility model discloses an axle center and rotor core form wholly through processing at injection molding, rotation axis and axle center fixed connection, the design of integral type has improved the steadiness of magnetic rotor, and axle center and rotation axis use strong adhesive to bond the connection simultaneously, make the integral connection more stable, effectively prolong the life of magnetic rotor, separate by the lug between the permanent magnet, avoided the interaction force between the permanent magnet, and the permanent magnet is installed in the middle of two lugs simultaneously, and bonds by strong adhesive and connect, makes the integral connection stability stronger;

3. the utility model discloses a shell body and strip of paper used for sealing surround rotation axis etc. inside, forming wholly through injection moulding, make shell body and rotation axis fixed connection, the global design that constitutes the integral type has improved the steadiness of magnetism rotor, reduces stress influence during the use, improves whole availability factor.

Drawings

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

FIG. 2 is a schematic view of the structure of the outer casing and the rotating shaft of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic view of the structure of the present invention;

fig. 5 is a schematic view of the cross-sectional structure of the present invention.

In the figure: 1. an outer housing; 2. a seal; 3. a permanent magnet; 4. a bump; 5. a rotating shaft; 6. an axis; 7. a rotor core; 8. a groove; 9. a threaded end; 10. and (5) reserving a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, 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.

As shown in fig. 1-2 and 5, an integrated magnetic rotor with strong structural stability includes: the magnetic rotor comprises a rotor core 7, wherein grooves 8 are symmetrically formed in the surface of the rotor core 7, the grooves 8 are annularly and circumferentially surrounded, three groups of grooves 8 are formed in the grooves 8, the grooves 8 are equidistantly distributed along the surface of the rotor core 7, and the rotor core 7 is installed in a mold for manufacturing an axis 6 through the grooves 8, so that when the magnetic rotor is integrally formed through injection molding, a rotating shaft 5 is fixedly connected with the axis 6, the magnetic rotor is of an integrated connecting structure, the stability is higher, and the stability in use is guaranteed; the threaded end 9 is fixedly arranged at one end of the rotor core 7, the threaded end 9 is in a threaded structure, the threaded end 9 and the rotor core 7 are fixedly connected in an integrated mode, and the magnetic rotor is connected with an external structure in a threaded mode through the threaded end 9, so that the contact area is increased, and the connection stability is enhanced; the magnetic rotor comprises a rotor core 7, an axis 6, a preformed groove 10, a rotary shaft 5, a rotary shaft 6, a shaft core 6, a rotary shaft and a magnetic core, wherein the axis 6 is arranged outside the rotor core 7, the surface of the axis 6 is provided with the preformed groove 10, the axis 6 is in bonding connection with the rotary shaft 5, the axis 6 is fixedly connected with the rotor core 7, the axis 6 and the rotor core 7 are integrally formed through injection molding, the rotary shaft 5 is fixedly connected with the axis 6, the stability of the magnetic rotor is improved through the integrated design, meanwhile, the axis 6 and the rotary shaft 5 are bonded through a strong adhesive, the integral connection is more stable, and the service life of the magnetic rotor is effectively prolonged; a rotating shaft 5 fixedly disposed outside the shaft center 6.

As shown in fig. 1 to 4, an integrated magnetic rotor with strong structural stability includes: the lug 4 is fixedly arranged on the surface of the rotating shaft 5, the permanent magnet 3 is arranged on one of the lugs 4, the permanent magnet 3 is in adhesive connection with the rotating shaft 5, the permanent magnet 3 is tightly attached to the lugs 4, the permanent magnet 3 is separated by the lugs 4, the interaction force between the permanent magnets 3 is avoided, and meanwhile, the permanent magnet 3 is arranged between the two lugs 4 and is in adhesive connection by a strong adhesive, so that the overall connection stability is higher; the shell body 1, it sets up the outside at rotation axis 5, the surface of rotation axis 5 is provided with strip of paper used for sealing 2, shell body 1 is cylindrical structure, rotation axis 5 runs through in the inside of shell body 1, strip of paper used for sealing 2 is along the surface evenly distributed of shell body 1, enclose rotation axis 5 etc. in inside through shell body 1 and strip of paper used for sealing 2, forming wholly through injection moulding, make shell body 1 and rotation axis 5 fixed connection, the global design that constitutes the integral type has improved the steadiness of magnetic rotor, reduce stress influence during the use, improve whole availability factor.

In summary, when the integrated magnetic rotor with strong structural stability is used, firstly, the rotor core 7 is installed in the mold for manufacturing the shaft center 6, the surface of the rotor core 7 is provided with the groove 8 which is surrounded by the annular circumference, the whole is formed by injection molding, the rotating shaft 5 is fixedly connected with the shaft center 6 together, so that the magnetic rotor is of an integrated connection structure, the stability is stronger, the shaft center 6 and the rotating shaft 5 are bonded and connected by using strong adhesive, so that the whole connection is more stable, the surface of the rotating shaft 5 is fixedly provided with the lug 4, the permanent magnet 3 is placed between the two lugs 4 for fixing, the radian of the permanent magnet 3 is consistent with that of the rotating shaft 5, then the strong adhesive is used for bonding, so that the connection is more stable, finally, the whole is placed in the mold for injection molding the outer shell 1 and the inner objects, and simultaneously, the seal 2 and the lug 4 are integrally connected after being processed, fix permanent magnet 3 inside to cut apart between adjacent two, avoid interact between, can utilize screw thread end 9 when using at last, adopt threaded connection when making magnetism rotor and exterior structural connection, increase area of contact, make connection stability reinforcing.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An integral type magnetic rotor that structural stability is strong, its characterized in that includes:

the rotor comprises a rotor core (7), wherein grooves (8) are symmetrically formed in the surface of the rotor core (7);

a threaded end (9) fixedly arranged at one end of the rotor core (7);

the shaft center (6) is arranged outside the rotor core (7), and a reserved groove (10) is formed in the surface of the shaft center (6);

a rotating shaft (5) fixedly arranged outside the shaft center (6).

2. A structurally stable one-piece magnetic rotor as claimed in claim 1, characterized in that said grooves (8) are circumferentially encircling in a ring shape, said grooves (8) being provided in three groups, said grooves (8) being equally spaced along the surface of the rotor core (7).

3. The integrated magnetic rotor with strong structural stability as claimed in claim 1, wherein the threaded end head (9) is of a threaded structure, and the threaded end head (9) is fixedly connected with the rotor core (7) in an integrated manner.

4. The integrated magnetic rotor with strong structural stability of claim 1, wherein the shaft core (6) is bonded to the rotating shaft (5), and the shaft core (6) is fixedly connected to the rotor core (7).

5. A structurally stable unitary magnetic rotor as claimed in claim 1, wherein: the rotating shaft (5) is further provided with:

the lug (4) is fixedly arranged on the surface of the rotating shaft (5), and a permanent magnet (3) is installed on one side of the lug (4);

and the outer shell (1) is arranged outside the rotating shaft (5), and the surface of the rotating shaft (5) is provided with a seal (2).

6. A structurally stable integrated magnetic rotor as claimed in claim 5, characterized in that said permanent magnet (3) is glued to said rotating shaft (5), said permanent magnet (3) being in close contact with said protrusion (4).

7. The integrated magnetic rotor with strong structural stability as claimed in claim 5, wherein the outer casing (1) is a cylindrical structure, the rotating shaft (5) penetrates through the inside of the outer casing (1), and the seals (2) are uniformly distributed along the surface of the outer casing (1).