CN212183325U

CN212183325U - Motor fan

Info

Publication number: CN212183325U
Application number: CN202021078587.5U
Authority: CN
Inventors: 周渝
Original assignee: Ningguo Paten Intelligent Equipment Co ltd
Current assignee: Anhui Julong Robot Decelerator Co ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2020-12-18
Anticipated expiration: 2030-06-11

Abstract

The utility model relates to the technical field of heat dissipation motors and particularly discloses a motor fan, which comprises a rotor which is concentrically and movably arranged in a stator, wherein the stator is fixed in a casing, one end or two ends of the rotor are provided with two or more fans in the same airflow direction, the inner part of the fan, which is positioned in the casing or an end cover, is an inner fan, and the outer part of the fan, which is positioned in the casing or the end cover, is an outer fan; the shell, the end cover and the rotor are provided with vent holes or vent grooves; the utility model discloses a motor fan is owing to be provided with inside and outside fan, all has ventilation hole or groove on casing, end cover, the rotor, and consequently the air current that inside and outside fan formed can in time discharge the heat on stator or the rotor to overcome current motor fan heat dissipation inequality, can not effectively radiating defect.

Description

Motor fan

Technical Field

The utility model relates to a heat dissipation motor technical field, in particular to motor fan.

Background

At present, a fan is arranged at one end of a rotor of a motor, and because a gap inside a motor shell is small and heat dissipation is uneven, how to quickly and effectively dissipate heat is a technical problem which needs to be solved currently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a motor fan to overcome above-mentioned defect, the inside space of make full use of motor dispels the heat effectively.

According to the above-mentioned purpose, the technical scheme of the utility model is: a motor fan, includes the concentric movable rotor that installs in the stator, the stator fix in the casing, its characterized in that: and two or more fans in the same airflow direction are arranged at one end or two ends of the rotor.

Further, the fan is located inside the casing or the end cover and is an inner fan, and the fan is located outside the casing or the end cover and is an outer fan.

Furthermore, the shell, the end cover and the rotor are provided with ventilation holes or ventilation grooves.

Furthermore, the inner fan is provided with blades suitable for airflow to flow in the ventilation holes or the ventilation grooves.

Or, furthermore, the outer fan is provided with blades suitable for suspending airflow to flow in the stator.

Compared with the prior art, the utility model discloses a technological effect does:

1. the utility model is provided with the inner fan and the outer fan, the inner space is fully utilized, and the air flow formed by the inner fan and the outer fan timely discharges the heat on the stator or the rotor;

2. the shell, the end cover and the rotor of the utility model are all provided with the ventilation holes or grooves, which is convenient for the air flow to flow and discharge the heat formed in the motor in time;

3. the utility model discloses the product, inside and outside fan can be installed in the motor both ends, also can install in the same end of motor, and convenient application can improve the variety of selection.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts, wherein:

fig. 1 is a schematic structural diagram of a first embodiment of a motor fan according to the present invention;

fig. 2 is a schematic structural diagram of a second embodiment of the motor fan of the present invention;

in the figure: 1. an inner fan; 2. a rotor; 3. a housing; 4. a stator; 5. an end cap; 6. an external fan; 7. a vent hole.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

Referring to fig. 1, a schematic structural diagram of a first embodiment of the motor fan of the present invention includes a rotor 2 concentrically and movably mounted in a stator 4, the stator 4 is fixed in a casing 3, and two fans in the same airflow direction are disposed at one end of the rotor 2; the fan is positioned in the shell 3 or the inner part is the inner fan 1, and the fan is positioned outside the shell 3 and is the outer fan 6; the casing 3, the end cover 5 and the rotor 2 are all provided with a vent hole 7; blades suitable for air flow to flow in the vent holes 7 are arranged on the inner fan 1; the outer fan 6 is provided with blades suitable for suspending airflow to flow in the stator 4.

Referring to fig. 2, a schematic structural diagram of a second embodiment of the motor fan of the present invention includes a rotor 2 concentrically and movably mounted in a stator 4, the stator 4 is fixed in a casing 3, and two fans in the same airflow direction are disposed at two ends of the rotor 2; the fan is positioned in the shell 3 and is provided with an inner fan 1, and the fan is positioned outside the end cover 5 and is provided with an outer fan 6; the casing 3, the end cover 5 and the rotor 2 are all provided with a ventilation groove 7; the inner fan 1 is provided with blades suitable for airflow to flow in the ventilation groove 7; the outer fan 6 is provided with blades suitable for suspending airflow to flow in the stator 4.

The inner fan 1 of the motor fan has the effects that the air is induced to flow to pass through the air gap between the stator 4 and the rotor 2 and the air vent/groove 7 on the rotor 2, the air density in the air gap and the air vent 7 of the rotor 2 is increased, more heat can be absorbed and taken away, the temperature rise of the stator 4 and the rotor 2 is lower, and the motor has higher power density.

Claims

1. An electric motor fan, including concentric movable rotor (2) of installing in stator (4), stator (4) fix in casing (3), its characterized in that: one end or two ends of the rotor (2) are provided with two or more fans in the same airflow direction.

2. The motor fan of claim 1, wherein: the fan is located in the shell (3) or the end cover (5) and is provided with an inner fan (1), and the fan is located outside the shell (3) or the end cover (5) and is provided with an outer fan (6).

3. The motor fan of claim 2, wherein: the machine shell (3), the end cover (5) and the rotor (2) are provided with ventilation holes or ventilation grooves (7).

4. The motor fan of claim 3, wherein: the inner fan (1) is provided with blades suitable for airflow to flow in the ventilation holes or the ventilation grooves (7).

5. The motor fan of claim 3, wherein: the outer fan (6) is provided with blades suitable for suspending airflow to flow in the stator (4).