CN217036871U

CN217036871U - Iron core with good heat dissipation for motor

Info

Publication number: CN217036871U
Application number: CN202220870987.2U
Authority: CN
Inventors: 黎首云; 张红亮; 汪慰军; 易学平; 雷强
Original assignee: Dongguan Fulin Machine Co ltd
Current assignee: Dongguan Fulin Machine Co ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-07-22
Anticipated expiration: 2032-04-14

Abstract

The utility model belongs to the technical field of motors, and particularly relates to an iron core with good heat dissipation for a motor. The cross section of the lug formed between the winding slots formed in the surface of the rotor iron core is T-shaped, a coil can be wound on the lug to form a rotor winding, the rotor can induce electromotive force, electromagnetic torque is generated through current, when the motor runs, heat generated due to internal loss flows into the heat dissipation slot through the communication slot opening, the heat is guided to a proper position through the heat dissipation slot, the phenomenon that the heat in the rotor placing slot is too high is avoided, the motor breaks down, and the service life of the motor is shortened.

Description

Iron core with good heat dissipation for motor

Technical Field

The utility model belongs to the technical field of motors, and particularly relates to an iron core with good heat dissipation for a motor.

Background

The motor is commonly called as a motor, and is an electromagnetic device for realizing electric energy conversion or transmission according to the law of electromagnetic induction, the motor mainly has the function of generating driving torque and serving as a power source of electrical appliances or various machines, an iron core serves as a core component in the motor, the iron core is an inexperienced term in the electrical engineering industry, the iron core is a magnetic core, the iron core (magnetic core) plays a very important role in the whole motor, the iron core is used for increasing the magnetic flux of an inductance coil, and the maximum conversion of electromagnetic power is realized.

The motor iron core is generally formed by combining a stator and a rotor, the stator is generally used as a non-rotating part, the rotor is generally embedded in the inner position of the stator, most of iron cores used in common motors on the market have poor heat dissipation effects, the motors are easily overheated, the service life of the motors is shortened, and in order to solve the problems, the iron core with good heat dissipation performance for the motors is provided.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides an iron core with good heat dissipation for a motor, and solves the problems that most of iron cores used in common motors have poor heat dissipation effects, the motors are easy to overheat, and the service life of the motors is shortened.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a good iron core of heat dissipation for motor, includes stator core, the rotor standing groove has been seted up on stator core's surface, rotor core sets up the inside at the rotor standing groove, one side of rotor standing groove is provided with heat dissipation mechanism, the wire winding groove has been seted up on rotor core's surface, the quantity in wire winding groove is a plurality of, rotor core's surface is provided with pivot mechanism.

Preferably, the surface of the stator core is provided with two weight-reducing slots.

Preferably, the heat dissipation mechanism includes a heat dissipation groove, a communication notch is formed in the inner wall of the heat dissipation groove, and the heat dissipation groove is communicated with the rotor placing groove through the communication notch.

Preferably, the inner wall of the heat dissipation groove is provided with an arc-shaped protruding block, the surface of the arc-shaped protruding block is provided with a mounting hole, and the inside of the mounting hole is provided with a thread groove.

Preferably, the side surface of the stator core is provided with four positioning plates.

Preferably, the rotating shaft mechanism comprises a rotating shaft hole, a fixing groove is formed in the inner wall of the rotating shaft hole, and the rotating shaft hole is formed in the surface of the rotor core.

Compared with the prior art, the utility model has the beneficial effects that: the cross section of the lug formed between the winding slots arranged on the surface of the rotor core is in a T shape, a coil can be wound on the lug to form a rotor winding, the rotor can induce electromotive force, electromagnetic torque is generated through current, when the motor runs, heat generated due to internal loss flows into the heat dissipation groove through the communication notch, the heat is guided to a proper position through the heat dissipation groove, the phenomenon that the heat in the rotor placing groove is too high is avoided, the motor breaks down, and the service life of the motor is shortened.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a second perspective view of the present invention;

fig. 3 is a third perspective view of the present invention.

In the figure: 1. a stator core; 2. a weight reduction groove; 3. a heat sink; 4. an arc-shaped bump; 5. mounting holes; 6. a communication notch; 7. a rotor core; 8. fixing grooves; 9. a rotating shaft hole; 10. a winding slot; 11. positioning a plate; 12. the rotor standing groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a good iron core of heat dissipation for motor, including stator core 1, rotor standing groove 12 has been seted up on stator core 1's surface, rotor core 7 sets up the inside at rotor standing groove 12, one side of rotor standing groove 12 is provided with heat dissipation mechanism, winding groove 10 has been seted up on rotor core 7's surface, the quantity in winding groove 10 is a plurality of, rotor core 7's surface is provided with pivot mechanism, at first can settle rotor core 7 inside rotor standing groove 12, stator core 1 can be used for producing magnetic field and the mechanical support who makes the motor.

In one aspect of the present embodiment, the cross-sectional shape of the protrusion formed between the winding slots 10 formed in the surface of the rotor core 7 is "T", and a coil can be wound around the protrusion to form a rotor winding, which can induce electromotive force to generate electromagnetic torque by current, so as to facilitate the normal operation of the core.

In one aspect of this embodiment, when the motor is operated, the heat that takes place because of the internal loss makes the heat circulate to the radiating groove 3 in through the intercommunication notch 6, leads the heat to suitable position through the radiating groove 3, avoids the inside heat of rotor standing groove 12 too high, leads to the motor to break down, lets the life of motor reduce.

In one aspect of the present embodiment, when the rotating shaft needs to be installed in the rotor core 7, the rotating shaft may be inserted into the rotating shaft hole 9, and the fixing groove 8 inside the rotating shaft hole 9 is adapted to the protrusion on the rotating shaft, so as to prevent the rotating shaft from rotating together with the rotor core 7, and the rotating shaft is a main component for supporting the weight of the rotor core 7, transmitting torque, and outputting mechanical power.

In one aspect of this embodiment, the positioning plate 11 disposed on the side surface of the stator core 1 can facilitate the stator core 1 to be installed inside the core, so that the stator core 1 can determine the correct position through the positioning plate 11 and the groove adapted to the inside of the electronic component, and finally, the stator core 1 is installed inside the motor case by inserting the fixing bolt into the internal thread of the installation hole 5.

The working principle and the using process of the utility model are as follows: after the motor is installed, the cross section of a lug formed between winding grooves 10 formed in the surface of a rotor iron core 7 is in a T shape, a coil can be wound on the lug to form a rotor winding, the rotor winding can induce electromotive force, electromagnetic torque is generated through current, when the motor runs, heat generated by internal loss flows into a heat dissipation groove 3 through a communication notch 6, the heat is guided to a proper position through the heat dissipation groove 3, the phenomenon that the motor breaks down due to overhigh heat in a rotor placing groove 12 is avoided, and the service life of the motor is shortened.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a good iron core of heat dissipation for motor, includes stator core (1), rotor core (7), its characterized in that: the rotor structure is characterized in that a rotor placing groove (12) is formed in the surface of the stator core (1), the rotor core (7) is arranged inside the rotor placing groove (12), a heat dissipation mechanism is arranged on one side of the rotor placing groove (12), winding grooves (10) are formed in the surface of the rotor core (7), the number of the winding grooves (10) is a plurality of, and a rotating shaft mechanism is arranged on the surface of the rotor core (7).

2. The iron core with good heat dissipation for the motor as claimed in claim 1, wherein: the stator core structure is characterized in that weight reduction grooves (2) are formed in the surface of the stator core (1), and the number of the weight reduction grooves (2) is two.

3. The iron core with good heat dissipation for the motor as claimed in claim 1, wherein: the heat dissipation mechanism comprises a heat dissipation groove (3), a communication notch (6) is formed in the inner wall of the heat dissipation groove (3), and the heat dissipation groove (3) is communicated with the rotor placing groove (12) through the communication notch (6).

4. The iron core with good heat dissipation for the motor as claimed in claim 3, wherein: the inner wall of radiating groove (3) is provided with arc protruding block (4), mounting hole (5) have been seted up on the surface of arc protruding block (4), the thread groove has been seted up to the inside of mounting hole (5).

5. The iron core with good heat dissipation for the motor as claimed in claim 1, wherein: the side surface of the stator core (1) is provided with four positioning plates (11), and the number of the positioning plates (11) is four.

6. The iron core with good heat dissipation for the motor as claimed in claim 1, wherein: the rotating shaft mechanism comprises a rotating shaft hole (9), a fixing groove (8) is formed in the inner wall of the rotating shaft hole (9), and the rotating shaft hole (9) is formed in the surface of the rotor core (7).