CN220210126U

CN220210126U - Rotary motor

Info

Publication number: CN220210126U
Application number: CN202321817132.4U
Authority: CN
Inventors: 金奇
Original assignee: Wenzhou Jinqi Technology Co ltd
Current assignee: Wenzhou Jinqi Technology Co ltd
Priority date: 2023-07-11
Filing date: 2023-07-11
Publication date: 2023-12-19
Anticipated expiration: 2033-07-11

Abstract

The utility model relates to the field of motors, in particular to a rotating motor, which comprises: the motor housing is provided with an installation cavity, and a first installation hole is formed in the center of the motor housing; the first annular wall is arranged on the inner side of the motor shell; a first magnetic unit disposed on the first annular wall; the second magnetic unit is arranged on the inner side of the first magnetic unit; a bearing disposed inside the second magnetic unit and disposed in the first mounting hole; the heat dissipation cavity is arranged on the outer side of the motor shell and covers the outer wall of the motor shell; the heat dissipation rod is arranged in the heat dissipation cavity and is abutted against the rotary shell; the liquid injection port and the liquid outlet are arranged on the outer wall of the heat dissipation cavity; the heat dissipation cavity and the heat dissipation rod can enable the heat dissipation efficiency of the motor to be faster, prevent the motor from overheating, and prolong the service life of the motor.

Description

Rotary motor

Technical Field

The utility model relates to the field of motors, in particular to a rotating motor.

Background

The motor is an electromagnetic device for converting electric energy into kinetic energy according to an electromagnetic induction law.

The motor has very wide application and is closely related to our daily life, such as a drum for driving a washing machine to rotate, or an electric motor in a toy racing car, etc.

According to the application, most motors need to rotate at high speed, such as when the washing machine is used for spin-drying, a large amount of heat energy can be generated due to friction, and the motors can overheat to generate load when the heat dissipation is poor.

Accordingly, there is an urgent need to provide an improved solution to the above technical problems.

Disclosure of Invention

The utility model aims at solving the technical problems and provides a rotating motor which achieves the technical effect of enabling the motor to have heat dissipation performance.

In view of this, the present utility model provides a rotating electrical machine, characterized by comprising:

the motor housing is provided with an installation cavity, and a first installation hole is formed in the center of the motor housing;

the first annular wall is arranged on the inner side of the motor shell;

a first magnetic unit disposed on the first annular wall;

the second magnetic unit is arranged on the inner side of the first magnetic unit;

a bearing disposed inside the second magnetic unit and disposed in the first mounting hole;

the heat dissipation cavity is arranged on the outer side of the motor shell and covers the outer wall of the motor shell;

the heat dissipation rod is arranged in the heat dissipation cavity and is abutted against the rotary shell;

annotate liquid mouth and liquid outlet, annotate liquid mouth and liquid outlet setting on the outer wall in heat dissipation chamber.

Further, the first annular wall is provided with a first groove which can enable the first magnetic unit to be embedded.

Further, the method further comprises the following steps:

the heat dissipation plate is sleeved outside the motor shell;

the radiating rod is fixedly connected to the radiating plate and integrally formed with the radiating plate.

Further, the first magnetic unit is composed of a plurality of square sheet structures.

Further, a protruding part capable of clamping the first magnetic unit is arranged on the first annular wall.

Further, the second magnetic unit includes:

an annular portion;

the tooth parts are uniformly arranged on the outer peripheral side of the annular part, and the tail ends of the tooth parts are provided with limiting end parts;

and a coil disposed on the outer peripheral side of the tooth portion and between the limit end portion and the annular portion.

Further, a plurality of first rollers are arranged on the lower end face of the first annular wall.

Further, a plurality of second rollers are arranged on the side wall of the first annular wall.

The beneficial effects of the utility model are as follows:

1. the heat dissipation cavity and the heat dissipation rod can enable the heat dissipation efficiency of the motor to be faster, prevent the motor from overheating, and prolong the service life of the motor.

2. The heat dissipation plate and the heat dissipation rod are integrally formed, so that the heat conduction efficiency of the heat dissipation rod is higher.

3. The roller provided by the utility model can reduce the friction force between the first annular wall and the motor shell, reduce the generation of heat energy and prolong the service life of the motor.

Drawings

FIG. 1 is a schematic diagram of an explosive structure of the present utility model;

FIG. 2 is a schematic diagram of a second magnetic unit according to the present utility model;

FIG. 3 is a schematic view of the motor housing and heat dissipation chamber of the present utility model;

FIG. 4 is a schematic cross-sectional view of FIG. 3;

fig. 5 is a schematic bottom view of the first annular wall of the present utility model.

The label in the figure is:

1. a motor housing; 2. a first mounting hole; 3. a mounting cavity; 4. a first annular wall; 5. a first magnetic unit; 6. a second magnetic unit; 7. a bearing; 8. a heat dissipation cavity; 9. a heat dissipation rod; 10. a liquid injection port; 11. a liquid outlet; 12. a heat dissipation plate; 13. a protruding portion; 14. an annular portion; 15. a tooth portion; 16. a coil; 17. a first roller; 18. a cover plate; 19. and a second roller.

Detailed Description

Technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some of the embodiments of the present application, but not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.

Example 1:

the present embodiment provides a rotary electric machine including:

the motor comprises a motor housing 1, wherein the motor housing 1 is provided with a mounting cavity 3, and a first mounting hole 2 is formed in the center;

a first annular wall 4, the first annular wall 4 being disposed inside the motor housing 1;

a first magnetic unit 5, the first magnetic unit 5 being arranged on the first annular wall 4;

a second magnetic unit 6, the second magnetic unit 6 being disposed inside the first magnetic unit 5;

a bearing 7, the bearing 7 being disposed inside the second magnetic unit 6 and within the first mounting hole 2;

a heat dissipation cavity 8, wherein the heat dissipation cavity 8 is arranged on the outer side of the motor shell 1 and covers the outer wall of the motor shell 1;

a heat radiation rod 9, wherein the heat radiation rod 9 is arranged in the heat radiation cavity 8 and is abutted against the rotary shell;

the liquid injection port 10 and the liquid outlet 11 are arranged on the outer wall of the heat dissipation cavity 8.

The motor shell 1 is made of non-magnetic metal, the motor shell 1 has no upper end surface, an installation cavity 3 is arranged in the motor shell 1 and is used for installing various elements, and a first installation hole 2 is arranged in the center of the lower end surface of the motor shell 1; the first annular wall 4 can be made of non-magnetic metal or plastic, the first magnetic unit 5 is arranged on the first annular wall 4, the first magnetic unit 5 can be adhered to the first annular wall 4, the first magnetic element is a magnet arranged on the first annular wall 4, the shape of the magnet is not limited in the embodiment, the second magnetic unit 6 is an electrified electromagnet, the electromagnet is connected to a power supply, the electromagnet can work, the bearing 7 is arranged on the inner side of the second magnetic unit 6 and is arranged on the first mounting hole 2, the bearing 7 can rotate in the first mounting hole 2, a flange is arranged on the bearing 7 and is abutted against the motor shell 1, the outer diameter of the flange is larger than the inner diameter of the first mounting hole 2, the inner diameter of the bearing 7 is equal to the inner diameter of the first mounting hole 2, and the other end of the bearing 7 can be inserted into a device needing to rotate and is in the center of rotation.

The heat dissipation cavity 8 is formed integrally with the motor housing 1, the heat dissipation cavity 8 is arranged and wrapped outside the outer wall surface of the motor housing 1, and the whole outer wall surface of the motor housing 1 is arranged in the heat dissipation cavity 8; a plurality of heat dissipation rods 9 which are uniformly distributed on the circumference are arranged in the heat dissipation cavity 8, and the heat dissipation rods 9, the heat dissipation cavity 8 and the motor shell 1 are connected together by welding; the outer wall of the heat dissipation cavity 8 is provided with a liquid injection port 10 and a liquid outlet port 11; when the motor works, the first annular wall 4 rubs the motor shell 1 to generate a large amount of heat energy, when the motor needs to be cooled, cooling liquid is injected into the heat dissipation cavity 8 from the liquid injection port 10 and flows in the heat dissipation cavity 8, and then flows out of the liquid outlet 11, so that cooling water can be recycled, when the cooling water is in the heat dissipation cavity 8, the heat energy can be transferred into the cooling water through the heat dissipation rod 9, and compared with the heat dissipation rod 9, the heat energy transfer efficiency is improved, the heat dissipation of the motor is faster, and the service life of the motor is prolonged.

It should be noted that, the bearing 7 is fixedly connected with the first mounting hole 2, and may be connected by threads or screws, which is not shown in the figure, and an axial limiting portion is further provided between the bearing 7 and the second magnetic unit 6, so that the second magnetic unit 6 is fixed on the bearing 7 and is not rotatable, and the upper end of the bearing 7 may fix the second magnetic unit 6 on the motor housing 1, so that the second magnetic unit 6 may not be separated from the upper end of the bearing 7.

It should be noted that, how the first magnetic unit 5 is a rotor of the motor and is connected to the driven device is not described in the present specification; a cover plate 18 is arranged on the heat dissipation cavity 8, and rubber gaskets are arranged between the cover plate 18 and the motor shell 1 and between the cover plate 18 and the outer wall of the heat dissipation cavity 8 for sealing.

Example 2:

the present embodiment provides a rotary electric machine having the following technical features in addition to the technical scheme including the above-described embodiments.

The first annular wall 4 is provided with a first recess into which the first magnet unit 5 can be inserted.

The first groove capable of enabling the first magnetism to be embedded is formed in the side face of the first annular wall 4, when the first annular wall 4 is made of non-magnetic metal, the first groove is preferably formed in the inner side, the first magnetic unit 5 is installed in the first groove, the first magnetic unit 5 can be fixed on the first groove through adhesive connection, the material cost of the first annular wall 4 can be saved through the arrangement of the first groove, the weight of the first annular wall 4 can be reduced, and the running inertia of the first annular wall 4 is weakened; the space for installing the first magnetic unit 5 can be saved, and the position for installing the first magnetic unit 5 is accurate, so that the first magnetic unit 5 is more convenient to install.

Further comprises:

a heat dissipation plate 12, wherein the heat dissipation plate 12 is sleeved outside the motor shell 1;

the heat radiation rod 9 is fixedly connected to the heat radiation plate 12 and is integrally formed with the heat radiation plate 12.

The heating panel 12 is the metal material that heat conductivility is good, and the heating panel 12 parcel is outside motor housing 1, and radiating rod 9 and heating panel 12 are integrated into one piece to for the same material, for embodiment one, radiating rod 9 and heating panel 12 an organic whole are connected, and radiating rod 9 simple to operate is carried out in the heat energy that can be on motor housing 1 fast transfer to radiating rod 9 to radiating panel 12 to the radiating rod 9 simple to operate of this structure.

The first magnetic unit 5 is composed of a plurality of square sheet structures.

The first magnetic unit 5 is arranged to be a square sheet structure, and compared with the whole magnetic unit, the stress in the first magnetic unit 5 can return to cause the first magnetic unit 5 to be broken under the action of magnetism, so that the first magnetic unit is arranged to be a plurality of square sheet structures to prevent the breakage, or when a certain square sheet structure is separated or damaged, the first magnetic unit can be singly replaced, and the maintenance cost is saved.

Other shapes of the first magnet unit 5 may also be used in the present utility model.

The first annular wall 4 is provided with a projection 13 which can sandwich the first magnetic unit 5.

The protruding part 13 capable of clamping the first magnetic unit 5 is arranged on the first annular wall 4, the protruding part 13 is of a plurality of square column structures, the distance between the protruding parts 13 is equal to the width of the first magnetic unit 5, the material of the first annular wall 4 is saved, the cost is saved, the installation is convenient, the first magnetic unit 5 can be adhered between the protruding parts 13 for reinforcement, the vertical limiting part can also be arranged on the protruding part 13, the limiting groove matched with the limiting part is arranged on the first magnetic unit 5, and when the installation is carried out, the square column structure is downwards installed from the upper end of the protruding part 13, so that the installation material such as glue is saved, the installation is simple, and the installation is detachable.

Example 3:

The second magnetic unit 6 includes:

an annular portion 14;

a tooth 15, the tooth 15 being uniformly arranged on the outer peripheral side of the annular portion 14, and the tip of the tooth 15 being provided with a limit end;

a coil 16, the coil 16 being provided on the outer peripheral side of the tooth 15 between the limit end and the annular portion 14.

The annular portion 14 is made of plastic, the tooth portion 15 is integrally formed with the annular portion 14, a limit end portion is provided at the end of the tooth portion 15, the limit end portion is square, or other shapes are possible, the coil 16 is wound around the tooth portion 15, and the limit end portion prevents the coil 16 from being separated from the tooth portion 15.

A plurality of first rollers 17 are arranged on the lower end surface of the first annular wall 4.

Six first rollers 17 are arranged on the lower end face of the first annular wall 4, the rotation of the first annular wall 4 can be stabilized by the number of the first rollers 17 being more than 3, and the shafts of the first rollers 17 are arranged in the annular wall; friction between the lower end surface of the first annular wall 4 and the motor housing 1 is reduced, generation of heat energy is reduced, and service life of the motor is prolonged.

A plurality of second rollers 19 are arranged on the side wall of the first annular wall 4.

Four second rollers 19 are arranged on the side wall of the first annular wall 4, the first annular wall 4 can be stably rotated by the number of the second rollers 19 being more than 3, and the shafts of the second rollers 19 are arranged in the annular wall; friction between the side wall of the first annular wall 4 and the motor housing 1 is reduced, generation of heat energy is reduced, and service life of the motor is prolonged.

The embodiments of the present application and the features of the embodiments may be combined without conflict, and the present application is not limited to the specific embodiments described above, which are merely illustrative, not restrictive, and many forms may be made by those of ordinary skill in the art, without departing from the spirit of the present application and the scope of the claims, which are also within the scope of the present application.

Claims

1. A rotating electrical machine, characterized by comprising:

the motor comprises a motor shell (1), wherein the motor shell (1) is provided with a mounting cavity (3), and a first mounting hole (2) is formed in the center;

the first annular wall (4) is arranged on the inner side of the motor shell (1);

a first magnetic unit (5), the first magnetic unit (5) being arranged on the first annular wall (4);

a second magnetic unit (6), the second magnetic unit (6) being arranged inside the first magnetic unit (5);

a bearing (7), wherein the bearing (7) is arranged on the inner side of the second magnetic unit (6) and is arranged in the first mounting hole (2);

the heat dissipation cavity (8) is arranged on the outer side of the motor shell (1) and covers the outer wall of the motor shell (1);

the heat dissipation rod (9), the heat dissipation rod (9) is arranged in the heat dissipation cavity (8) and is abutted against the rotary shell;

the liquid injection port (10) and the liquid outlet (11), and the liquid injection port (10) and the liquid outlet (11) are arranged on the outer wall of the heat dissipation cavity (8).

2. A rotating electric machine according to claim 1, characterized in that the first annular wall (4) is provided with a first recess into which the first magnet unit (5) can be inserted.

3. A rotary electric machine according to claim 1, further comprising:

a heat dissipation plate (12), wherein the heat dissipation plate (12) is sleeved outside the motor shell (1);

the heat dissipation rod (9) is fixedly connected to the heat dissipation plate (12) and is integrally formed with the heat dissipation plate (12).

4. A rotating electric machine according to claim 1, characterized in that the first magnet unit (5) is composed of several square sheet-like structures.

5. A rotating electric machine according to claim 4, characterized in that the first annular wall (4) is provided with a projection (13) which can sandwich the first magnet unit (5).

6. A rotating electrical machine according to claim 1, characterized in that the second magnetic unit (6) comprises:

an annular portion (14);

the teeth (15) are uniformly arranged on the outer periphery side of the annular part (14), and the tail ends of the teeth (15) are provided with limiting ends;

and a coil (16), wherein the coil (16) is disposed on the outer peripheral side of the tooth (15) and between the limit end and the annular part (14).

7. A rotating electric machine according to claim 1, characterized in that a number of first rollers (17) are provided at the lower end face of the first annular wall (4).

8. A rotating electric machine according to claim 1 or 7, characterized in that a number of second rollers (19) are provided on the side wall of the first annular wall (4).