CN220190557U

CN220190557U - Motor convenient to heat dissipation

Info

Publication number: CN220190557U
Application number: CN202321697601.3U
Authority: CN
Inventors: 饶志辉; 郑朝权; 王永生; 韦强立
Original assignee: Dongguan Meng Generator Co ltd
Current assignee: Dongguan Meng Generator Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2023-12-15
Anticipated expiration: 2033-06-30

Abstract

The utility model discloses a motor convenient for heat dissipation, which comprises a rotor, a stator and a rear cover, wherein the stator comprises a shell, a stator punching sheet arranged in the shell and a circular ring arranged at the front end of the shell; the motor convenient for heat dissipation is further provided with a front cover, the front cover is provided with at least 3 supporting legs, and each supporting leg is connected with the circular ring through a bolt respectively; the rotor comprises a rotating shaft and a rotor core, and the rotating shaft penetrates through the front cover; the rear cover comprises an inner ring and an outer ring, and a plurality of fins are arranged between the inner ring and the outer ring. The motor provided by the utility model has a more open structure, and the heat dissipation effect is greatly improved.

Description

Motor convenient to heat dissipation

Technical Field

The utility model relates to the technical field of motors, in particular to a motor convenient for heat dissipation.

Background

Good heat dissipation effect is important for normal operation of the motor. In the prior art, heat dissipation of a motor is realized through rotation of a fan at the tail of the motor. In the prior art, the motor structure is relatively closed as a whole, and the heat dissipation effect is limited during actual operation. The utility model provides a new technical scheme for improving the motor shell and further improving the heat dissipation effect of the motor.

It can be seen that there is a need for improvements and improvements in the art.

Disclosure of Invention

In view of the above-mentioned shortcomings of the prior art, the present utility model aims to provide a motor with convenient heat dissipation, which aims to solve the technical problem that the heat dissipation effect of the motor is to be improved in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the motor comprises a rotor, a stator and a rear cover, wherein the stator comprises a shell, a stator punching sheet arranged in the shell and a circular ring arranged at the front end of the shell; the motor convenient for heat dissipation is further provided with a front cover, the front cover is provided with at least 3 supporting legs, and each supporting leg is connected with the circular ring through a bolt respectively; the rotor comprises a rotating shaft and a rotor core, and the rotating shaft penetrates through the front cover; the rear cover comprises an inner ring and an outer ring, and a plurality of fins are arranged between the inner ring and the outer ring.

Further, in the motor facilitating heat dissipation, a bearing is arranged at the end part of the front cover, and the rotating shaft penetrates through the bearing.

Further, in the motor facilitating heat dissipation, the supporting legs on the front cover are arranged at the same intervals in the circumferential direction.

Further, in the motor convenient for heat dissipation, a plurality of blades are arranged on the rotor core, each blade is radially provided with a through hole, and each through hole is respectively communicated with the inner cavity of the rotor core.

Further, in the motor facilitating heat dissipation, the fins of the rear cover are arranged at the same interval in the circumferential direction.

Further, in the motor convenient for heat dissipation, the outer ring of the rear cover is provided with a plurality of inserting sheets, the number of the inserting sheets is equal to that of the stator punching sheets, and each inserting sheet is respectively inserted between two adjacent stator punching sheets.

The beneficial effects are that: compared with the prior art, the motor with the convenient heat dissipation is provided with at least 3 supporting legs on the front cover, and each supporting leg is connected with the circular ring through bolts, so that the body structure of the motor is more open and the heat dissipation is more convenient. Further, be provided with a plurality of blade on the rotor core, every blade radially has seted up the through-hole, and every through-hole communicates with rotor core's inner chamber respectively, further is convenient for discharge the heat outside the fuselage.

Drawings

Fig. 1 is a perspective view 1 of a motor which is convenient for heat dissipation and provided by the utility model.

Fig. 2 is a perspective view of a motor with heat dissipation convenience, not shown in the figure, provided by the utility model.

Fig. 3 is a perspective view of the rotor core.

Description of the embodiments

The utility model provides a motor convenient for heat dissipation, and the utility model is further described in detail below for making the purposes, technical schemes and effects of the utility model clearer and more definite. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1 to 3, the present utility model provides a motor that facilitates heat dissipation. Only the structure related to the utility model is described herein, and some conventional structures (such as coils, fans, bearings, etc.) of the motor are not described in detail. For ease of understanding, the figures schematically show the power cord 9 of the motor for facilitating heat dissipation.

A motor facilitating heat dissipation comprises a rotor, a stator and a rear cover. The stator comprises a shell 11, a stator punching sheet 12 arranged in the shell and a circular ring 13 arranged at the front end of the shell; the motor convenient for heat dissipation is further provided with a front cover 4, the front cover is provided with at least 3 supporting legs 41, and each supporting leg is connected with the circular ring through a bolt 5; the rotor comprises a rotating shaft 21 and a rotor iron core 22, and the rotating shaft passes through the front cover; the rear cover comprises an inner ring 31 and an outer ring 32, between which a plurality of fins 311 are arranged.

Further, the end of the front cover is provided with a bearing 5 through which the rotation shaft passes. The front cover has a supporting effect on the rotating shaft.

Further, the respective legs on the front cover are disposed at the same interval in the circumferential direction. Preferably, the front cover is provided with 4 legs 41 in total.

As shown in fig. 3, further, a plurality of blades 221 are disposed on the rotor core, each of the blades is radially provided with a through hole 201, and each of the through holes is respectively communicated with the inner cavity 200 of the rotor core. This arrangement allows more efficient heat removal to the exterior of the fuselage as the rotor rotates.

Preferably, the respective fins of the rear cover are disposed at the same pitch in the circumferential direction. In other words, the through holes 300 surrounded by the fins are also distributed at the same interval in the circumferential direction, which makes the heat dissipation effect inside the motor more uniform.

Further, the outer ring of the rear cover is provided with a plurality of inserting pieces 321, the number of the inserting pieces is equal to that of the stator punching pieces, and each inserting piece is respectively inserted between two adjacent stator punching pieces. This arrangement makes the disassembly and assembly of the rear cover extremely convenient.

Preferably, the rear cover is an insulating rear cover.

The motor provided by the utility model has a more open structure, greatly improves the heat dissipation effect, and can be widely applied to occasions with low waterproof and dustproof requirements.

It will be understood that equivalents and modifications will occur to those skilled in the art based on the present utility model and its spirit, and all such modifications and substitutions are intended to be included within the scope of the present utility model.

Claims

1. The motor is characterized in that the stator comprises a shell, a stator punching sheet arranged in the shell and a circular ring arranged at the front end of the shell; the motor convenient for heat dissipation is further provided with a front cover, the front cover is provided with at least 3 supporting legs, and each supporting leg is connected with the circular ring through a bolt respectively; the rotor comprises a rotating shaft and a rotor core, and the rotating shaft penetrates through the front cover; the rear cover comprises an inner ring and an outer ring, and a plurality of fins are arranged between the inner ring and the outer ring.

2. The heat dissipation facilitating motor of claim 1, wherein the end of the front cover is provided with a bearing through which the rotating shaft passes.

3. The heat dissipation facilitating motor as defined in claim 1, wherein the respective legs of the front cover are disposed at equal intervals in the circumferential direction.

4. The motor facilitating heat dissipation according to claim 1, wherein a plurality of blades are provided on the rotor core, each blade being radially provided with a through hole, each through hole being respectively communicated with the inner cavity of the rotor core.

5. The heat dissipation-facilitating motor of claim 1, wherein the fins of the rear cover are disposed at equal intervals in the circumferential direction.

6. The motor with convenient heat dissipation according to claim 1, wherein the outer ring of the rear cover is provided with a plurality of inserting sheets, the number of the inserting sheets is equal to that of the stator punching sheets, and each inserting sheet is respectively inserted between two adjacent stator punching sheets.