CN219554681U

CN219554681U - Motor stator support structure

Info

Publication number: CN219554681U
Application number: CN202320504452.8U
Authority: CN
Inventors: 舒国勇; 谢翠川
Original assignee: Jiangmen Dachangjiang Group Co Ltd
Current assignee: Jiangmen Dachangjiang Group Co Ltd
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-08-18
Anticipated expiration: 2033-03-14

Abstract

The utility model discloses a motor stator support structure which comprises a stator support and a sealing cover, wherein the stator support is provided with an outer peripheral wall and an inner peripheral wall, a plurality of launders with U-shaped sections are formed between the outer peripheral wall and the inner peripheral wall, the sealing cover is arranged on the notch of each launder and surrounds the launders to form a plurality of sealing cavities, the sealing cavities are arranged around the circumference of the stator support in an end-to-end mode, and cooling mediums are filled in the sealing cavities. By adopting the utility model, on the premise of slightly increasing the volume of the stator bracket, the extremely large heat capacity increase can be obtained, and the heat resistance of the motor is improved; meanwhile, the heat distribution is uniform, the heat dissipation is quickened, and the heat dissipation performance of the motor is improved.

Description

Motor stator support structure

Technical Field

The utility model relates to the technical field of motors, in particular to a motor stator bracket structure.

Background

At present, a stator bracket of an electric motorcycle is generally made of aluminum alloy, a main heating source is a winding coil when a motor runs, heat is absorbed by the stator bracket and then emitted to the outside through a motor shaft, and therefore the stator bracket plays an important role in absorbing and transmitting the heat in the process. When the heat absorbed by the stator bracket reaches a threshold value and the heat transfer speed to the outside is difficult to meet the heat dissipation requirement, the motor can enter an overheat state, and the service life of the motor is influenced; meanwhile, due to the limitation of space and weight, the limited volume of the motor stator bracket cannot absorb too much heat, and the motor stator bracket is easy to overheat; if the volume of the stator support is increased to improve the heat capacity, too much weight is added, so that the stator support cannot be lost.

Disclosure of Invention

The purpose of the utility model is that: the motor stator support structure is simple in structure, good in heat resistance and good in heat dissipation performance.

In order to achieve the above purpose, the utility model provides a motor stator support structure, which comprises a stator support and a sealing cover, wherein the stator support is provided with an outer peripheral wall and an inner peripheral wall, a plurality of launders with U-shaped sections are formed between the outer peripheral wall and the inner peripheral wall, the sealing cover is arranged on a notch of each launder and surrounds the launders to form a plurality of sealing cavities, the sealing cavities are arranged around the circumference of the stator support in an end-to-end mode, and cooling media are filled in the sealing cavities.

As a preferable mode of the present utility model, the cooling medium is cooling oil.

As a preferred scheme of the utility model, a concave cavity which is sunken away from one side of the sealing cavity is arranged on the sealing cover.

As a preferable scheme of the utility model, a plurality of threaded hole columns which can be connected by screws are arranged on the outer peripheral wall and the inner peripheral wall, and the plurality of threaded hole columns are uniformly arranged along the circumferential direction of the stator bracket.

As a preferred embodiment of the present utility model, the gap between the screw hole column and the screw is sealed by a sealant.

In a preferred embodiment of the present utility model, the inner surface of the cover is bonded to the outer end surface of the outer peripheral wall and the outer end surface of the inner peripheral wall, respectively.

As a preferable mode of the present utility model, the inner side surface of the cover, the outer end surface of the outer peripheral wall, and the outer end surface of the inner peripheral wall are coated with waterproof glue.

Compared with the prior art, the motor stator support structure provided by the utility model has the beneficial effects that:

according to the motor stator support structure, the sealing cavity is added on the stator support, and a certain amount of cooling medium is filled in the sealing cavity, so that the heat capacity can be greatly increased on the premise of slightly increasing the volume of the stator support, and the heat resistance of the motor is further improved; and moreover, a plurality of sealed cavities are mutually communicated around the circumference of the stator support, and the cooling medium has convection phenomenon after being heated, so that the heat distribution is uniform, the heat dissipation is accelerated, and the heat dissipation performance of the motor is further improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

FIG. 1 is a schematic structural view of a motor stator support structure according to an embodiment of the present utility model;

fig. 2 is a front view of the stator frame;

fig. 3 is a front view of the closure.

In the figures the reference numerals are used to indicate,

a stator bracket 1; a cover 2; sealing the cavity 3; an outer peripheral wall 11; an inner peripheral wall 12; a launder 13; a threaded hole post 14; a cavity 21; and mounting holes 22.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the components referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

As shown in fig. 1 to 3, the stator support structure of the motor of the preferred embodiment of the present utility model comprises a stator support 1 and a sealing cover 2, wherein the stator support 1 is provided with an outer peripheral wall 11 and an inner peripheral wall 12, a plurality of flow grooves 13 with a U-shaped cross section are formed between the outer peripheral wall 11 and the inner peripheral wall 12, the sealing cover 2 is covered on the notch of the flow groove 13 and surrounds the flow grooves 13 to form a plurality of sealing cavities 3, the sealing cavities 3 are arranged around the circumference of the stator support 1 in an end-to-end manner, and the sealing cavities 3 are filled with cooling medium.

Therefore, according to the motor stator support structure provided by the embodiment of the utility model, the sealing cavity 3 is added on the stator support 1, and a certain amount of cooling medium is filled in the sealing cavity 3, so that the extremely large heat capacity increase can be obtained on the premise of slightly increasing the volume of the stator support 1, and the heat resistance of the motor is further improved; and, a plurality of sealed cavities 3 encircle stator support 1's circumference intercommunication each other, and coolant has convection phenomenon after being heated, can make heat distribution even for the heat dissipation, and then promote the heat dispersion of motor.

Illustratively, the cooling medium is preferably a cooling oil. The cooling oil has long service life in the working temperature range, high reliability and low cost.

Illustratively, the cover 2 is provided with a recess 21 recessed away from the side of the sealed cavity 3. The design of the cavity 21 thus allows a certain space between the launder 13 and the cover 2 for accommodating the volume increase caused by the thermal expansion of the cooling medium.

Illustratively, the outer peripheral wall 11 and the inner peripheral wall 12 are respectively provided with a plurality of screw hole columns 14 for screw connection, the screw hole columns 14 are uniformly arranged along the circumferential direction of the stator frame 1, and correspondingly, the cover 2 is provided with mounting holes 22 for corresponding screw hole columns 14. Therefore, the stator bracket 1 and the sealing cover 2 can be fixed by the connection between the screw and the screw hole column 14, and the structure is simple and the installation is convenient.

Illustratively, to prevent leakage of the cooling medium, the gap between the threaded bore post 14 and the screw is sealed with a sealant; the inner side surface of the cover 2 is respectively attached to the outer end surface of the outer peripheral wall 11 and the outer end surface of the inner peripheral wall 12; the inner side surface of the sealing cover 2, the outer end surface of the outer peripheral wall 11 and the outer end surface of the inner peripheral wall 12 are coated with waterproof glue.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.

Claims

1. The utility model provides a motor stator support structure, its characterized in that includes stator support and closing cap, the stator support is equipped with periphery wall and inner peripheral wall, the periphery wall with be formed with a plurality of cross-sections between the inner peripheral wall and be the chute of U-shaped, the closing cap lid is established on the notch of chute and with a plurality of the chute surrounds and forms a plurality of sealed cavitys, a plurality of sealed cavitys encircle the circumference end to end of stator support is arranged, the sealed cavity intussuseption is filled with cooling medium.

2. The electric machine stator frame structure of claim 1, wherein the cooling medium is cooling oil.

3. The motor stator support structure of claim 1, wherein the cover is provided with a concave cavity recessed away from one side of the sealed cavity.

4. The motor stator frame structure according to claim 1, wherein a plurality of screw hole posts for screw connection are provided on each of the outer peripheral wall and the inner peripheral wall, and the plurality of screw hole posts are uniformly arranged along the circumferential direction of the stator frame.

5. The motor stator frame structure of claim 4, wherein a gap between the threaded hole post and the screw is sealed by a sealant.

6. The motor stator frame structure according to claim 1, wherein the inner side surface of the cover is fitted to the outer end surface of the outer peripheral wall and the outer end surface of the inner peripheral wall, respectively.

7. The motor stator frame structure according to claim 6, wherein the inner side surface of the cover, the outer end surface of the outer peripheral wall, and the outer end surface of the inner peripheral wall are each coated with a waterproof adhesive.