CN220874323U - Heat dissipation casing structure in motor - Google Patents

Abstract

The utility model relates to a motor inner heat dissipation shell structure which comprises a shell, end covers, a stator, a rotor and end plates, wherein the stator and the rotor which can be matched with each other are arranged in the shell, the end covers are arranged on the shell, heat dissipation rods are uniformly distributed on the circumference of the end plates of the shell, heat dissipation holes are uniformly distributed on the circumference of the stator, the heat dissipation rods correspond to the heat dissipation holes one by one, and the heat dissipation rods can be inserted into the corresponding heat dissipation holes. According to the utility model, the radiating rod is arranged on the end plate of the shell and matched with the radiating hole on the stator, so that heat in the stator can be quickly transmitted to the shell through the radiating rod, the purpose of quick heat radiation can be achieved, and the heat radiator is different from a water-cooled shell and does not have the risk of water leakage; the utility model has simple structure and strong practicability.

Description

Heat dissipation casing structure in motor

Technical Field

The utility model belongs to the technical field of motors, and relates to a motor inner heat dissipation shell structure.

Background

The existing motor shell mainly has two functions, namely, a support is provided for mounting a stator and a rotor of the motor, and a heat dissipation channel is provided for the motor through the cooperation between the inner circle of the shell and the outer circle of the stator, so that heat dissipation of the motor is realized;

However, the shell is only in contact with the outer circle of the stator, the heat dissipation area is limited, and the heat dissipation channel is single; after the heat in the spot machine needs to be transferred to the outer circle of the stator through the motor body structure, the heat can be dissipated through the shell, which means that the heat dissipation of the motor body is more needed to depend on the heat path design of the body structure, and the selection surface of the limited motor structure is limited; some motors are cooled by adopting a water cooling structure, the existing water cooling motor generally arranges a water cooling channel on the surface layer of a shell, in the heat dissipation process, the heat in the motor is transferred to the outer circle of the motor through a silicon steel sheet and an air gap, the inner circle of the shell is contacted with the outer circle of a stator, the heat is transferred from the outer circle of the stator to the inner circle of the shell, and finally, the heat of the motor is taken away by the water cooling channel of the motor, but the structure can only take away the heat transferred to the outer circle of the stator of the motor, and the heat accumulated in the motor cannot be reached; and the pipeline of the water-cooled motor is subject to risks of blockage, corrosion, water leakage and the like after long-time use.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, solve the problem of insufficient heat dissipation of the traditional motor, and provide an inner heat dissipation shell structure of the motor.

In order to achieve the above purpose, the following technical scheme is adopted:

The utility model provides a heat dissipation casing structure in motor, includes casing, end cover, stator, rotor and end plate, be provided with stator and the rotor that can mutually support in the casing, be provided with the end cover on the casing, the circumference equipartition has the heat dissipation stick on the end plate of casing, the circumference equipartition has the louvre on the stator, heat dissipation stick and louvre one-to-one, the heat dissipation stick can insert in the louvre that corresponds.

Preferably, one end of the heat dissipation rod is provided with external threads, the end plate is provided with a threaded hole, and the heat dissipation rod is in threaded connection with the heat dissipation hole.

Preferably, two ends of the rotating shaft of the rotor are respectively connected with the end cover and the end plate by bearings.

Preferably, the heat dissipation rod is made of a material with good heat conduction performance.

Compared with the prior art, the utility model has the following advantages:

According to the utility model, the radiating rod is arranged on the end plate of the shell and matched with the radiating hole on the stator, so that heat in the stator can be quickly transmitted to the shell through the radiating rod, the purpose of quick heat radiation can be achieved, and the heat radiator is different from a water-cooled shell and does not have the risk of water leakage; the utility model has simple structure and strong practicability.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic cross-sectional view of a stator of the present utility model.

In the figure: 1. a housing; 2. an end cap; 3. a stator; 4. a rotor; 5. an end plate; 6. a heat radiation rod; 7. a heat radiation hole; 8. a bearing; 9. a rotating shaft.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

As shown in fig. 1-2, a heat dissipation casing 1 structure in a motor comprises a casing 1, an end cover 2, a stator 3, a rotor 4 and an end plate 5, wherein the stator 3 and the rotor 4 which can be mutually matched are arranged in the casing 1, the end cover 2 is arranged on the casing 1, and the end cover 2 is matched with the casing 1 to encapsulate the stator 3 and the rotor 4;

The end plate 5 of the casing 1 is provided with the radiating bars 6 in a circumferentially uniformly distributed manner, the stator 3 is provided with the radiating holes 7 in a circumferentially uniformly distributed manner, the radiating bars 6 are in one-to-one correspondence with the radiating holes 7, the radiating bars 6 can be inserted into the corresponding radiating holes 7, a new radiating channel can be provided for the motor stator 3 by inserting the radiating bars 6 into the motor stator 3, and heat in the motor can be directly transmitted to the casing 1 through the radiating bars 6 to further radiate outwards, so that the motor is better in radiating effect.

Further, an external thread is arranged at one end of the heat dissipation rod 6, a threaded hole is formed in the end plate 5, the heat dissipation rod 6 is screwed into the heat dissipation hole 7, the heat dissipation rod 6 is installed on the end plate 5 through threaded connection, and the heat dissipation rods 6 with different materials can be replaced according to different heat conduction requirements.

Further, two ends of the rotating shaft 9 of the rotor 4 are respectively connected with the end cover 2 and the end plate 5 by using bearings 8.

Further, the heat dissipation rod 6 is made of a material with good heat conduction performance, and the heat dissipation rod 6 made of a material with good heat conduction performance can lead out the heat in the stator 3 more quickly.

Working principle: according to the utility model, the heat conducting rod 6 is arranged on the end plate 5, the heat radiating holes 7 are arranged on the stator 3, the heat conducting rod 6 is inserted into the heat radiating holes 7, and the heat in the motor can be conducted to the shell 1 through the heat conducting rod 6, so that the heat in the motor can be rapidly radiated.

It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present utility model, but not in limitation thereof. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the utility model, and are also considered to be within the scope of the utility model.

Claims (4)

1. The utility model provides a heat dissipation casing structure in motor, includes casing (1), end cover (2), stator (3), rotor (4) and end plate (5), characterized by: be provided with stator (3) and rotor (4) that can mutually support in casing (1), be provided with end cover (2) on casing (1), circumference equipartition has heat dissipation stick (6) on end plate (5) of casing (1), circumference equipartition has louvre (7) on stator (3), heat dissipation stick (6) and louvre (7) one-to-one, in heat dissipation stick (6) can insert corresponding louvre (7).

2. The motor inner heat dissipation casing structure as set forth in claim 1, wherein: one end of the heat dissipation rod (6) is provided with external threads, the end plate (5) is provided with threaded holes, and the heat dissipation rod (6) is in threaded connection with the heat dissipation holes (7).

3. The motor inner heat dissipation casing structure as set forth in claim 1, wherein: two ends of a rotating shaft (9) of the rotor (4) are respectively connected with the end cover (2) and the end plate (5) by using bearings (8).

4. The motor inner heat dissipation casing structure as set forth in claim 2, wherein: the radiating rod (6) is made of a material with good heat conducting performance.