CN220173041U

CN220173041U - Motor with double fans

Info

Publication number: CN220173041U
Application number: CN202320763277.4U
Authority: CN
Inventors: 张善水; 裴建斌
Original assignee: Dongguan Dongchang Motor Co ltd
Current assignee: Dongguan Dongchang Motor Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-12-12
Anticipated expiration: 2033-04-07

Abstract

The utility model relates to a motor with double fans, which comprises a shell, a stator, a rotor and a heat dissipation assembly, wherein through holes are respectively formed at two ends of the shell, the stator is arranged in the shell, and the rotor penetrates through the stator and the shell; the heat radiation assembly comprises a heat radiation cover and two fans, the shell is detachably connected in the heat radiation cover, heat radiation holes are respectively formed in the two ends of the heat radiation cover, the heat radiation holes are communicated with through holes, the two fans are respectively arranged at the two ends of the rotor, and the heat radiation cover is provided with the fans. The motor with the double fans is communicated with the through holes through the heat dissipation holes to form convection so as to facilitate heat dissipation between the stator and the rotor; fans are arranged at two ends of the rotor to accelerate air flow and improve heat dissipation efficiency; the motor with the double fans has compact structure and good heat dissipation effect.

Description

Motor with double fans

Technical Field

The utility model relates to the technical field of motors, in particular to a motor with double fans.

Background

The motor can generate heat in the process of high-speed rotation, and heat cannot be timely emitted, so that the service efficiency and the service life of the motor are influenced, and the heat dissipation efficiency of the motor is required to be improved. At present, the motor is generally cooled by adding cooling fins as a passive cooling mode, but the cooling effect is poor and the cooling efficiency is low.

Disclosure of Invention

Based on this, it is necessary to provide a motor with a double fan in order to solve the above-mentioned problems.

The motor with the double fans comprises a shell, a stator, a rotor and a heat dissipation assembly, wherein through holes are respectively formed in two ends of the shell, the stator is arranged in the shell, and the rotor penetrates through the stator and the shell; the heat dissipation assembly comprises a heat dissipation cover and two fans, the shell is detachably connected in the heat dissipation cover, heat dissipation holes are respectively formed in two ends of the heat dissipation cover, the heat dissipation holes are communicated with the through holes, the two fans are respectively arranged at two ends of the rotor, and the heat dissipation cover is provided with the fans.

In one embodiment, the housing includes a first shell and a second shell, the second shell being detachably connected to the first shell.

In one embodiment, the device further comprises a plurality of fixing members, wherein the fixing members are used for fixing the first shell and the second shell.

In one embodiment, the rotor includes a rotating shaft, a first bearing and a second bearing, the first bearing is mounted on the first housing, the second bearing is mounted on the second housing, and the first bearing and the second bearing are respectively sleeved at two ends of the rotating shaft; the two fans are respectively arranged at two ends of the rotating shaft.

In one embodiment, a plurality of positioning posts are arranged on the inner side of the first shell, two adjacent positioning posts are used for being abutted against two ends of the stator, a plurality of limiting blocks are arranged on the inner side of the second shell, and the limiting blocks are used for being abutted against one end of the stator.

In one embodiment, one positioning column is arranged in a shape of a 7, and adjacent positioning columns are arranged in a shape of a reverse 7.

In one embodiment, the heat dissipation cover comprises a first cover body and a second cover body, and the second cover body is detachably connected with the first cover body.

In one embodiment, a first accommodating groove is formed in one end, close to the second cover, of the first cover, a second accommodating groove is formed in one end, close to the first cover, of the second cover, and the first accommodating groove and the second accommodating groove are used for accommodating the edge of the shell.

In one embodiment, the device further comprises a plurality of fasteners for securing the first cover to the second cover.

In one embodiment, the side wall of the heat dissipation cover is provided with a plurality of holes and grooves.

The motor with the double fans is communicated with the through holes through the heat dissipation holes to form convection so as to facilitate heat dissipation between the stator and the rotor; fans are arranged at two ends of the rotor to accelerate air flow and improve heat dissipation efficiency; the motor with the double fans has compact structure and good heat dissipation effect.

Drawings

FIG. 1 is a schematic diagram of an electric motor with dual fans according to one embodiment of the present utility model;

FIG. 2 is a cross-sectional view of the motor with dual fans of FIG. 1;

fig. 3 is an exploded view of the housing, stator, rotor, fan and fixture of the motor with dual fans of fig. 1.

The meaning of the reference numerals in the drawings are:

100. a motor having a dual fan;

10. a housing; 101. a through hole; 11. a first housing; 12. a second housing; 13. positioning columns; 14. a limiting block; 20. a stator; 30. a rotor; 31. a rotating shaft; 32. a first bearing; 33. a second bearing;

40. a heat dissipation assembly; 41. a heat dissipation cover; 401. a heat radiation hole; 402. a hole groove; 411. a first cover; 412. a second cover; 413. a first accommodation groove; 414. a second accommodation groove; 42. a fan; 50. a fixing member; 60. a fastener.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1 to 3, an embodiment of a motor 100 with dual fans according to the present utility model includes a housing 10, a stator 20, a rotor 30, and a heat dissipation assembly 40, wherein through holes 101 are respectively disposed at two ends of the housing 10, and the heat dissipation assembly 40 includes a heat dissipation cover 41 and two fans 42; the motor 100 with double fans is communicated with the through hole 101 through the heat dissipation holes 401 to form convection so as to facilitate heat dissipation between the stator 20 and the rotor 30; fans 42 are installed at both ends of the rotor 30 to accelerate air flow and improve heat dissipation efficiency.

As shown in fig. 1 to 3, in the present embodiment, a stator 20 is installed in a housing 10, and both ends of the housing 10 are respectively provided with through holes 101; the shell 10 comprises a first shell 11 and a second shell 12, and the second shell 12 is detachably connected with the first shell 11, so that the disassembly and the assembly are convenient. Optionally, a plurality of positioning posts 13 are disposed on the inner side of the first housing 11, and two adjacent positioning posts 13 are used for abutting two ends of the stator 20; further, one positioning column 13 is arranged in a 7 shape, and the adjacent positioning columns 13 are arranged in a reverse 7 shape so as to fix the end face and the side face of the stator 20; the inner side of the second housing 12 is provided with a plurality of limiting blocks 14, and the limiting blocks 14 are used for abutting against one end of the stator 20. In one embodiment, the stator 20 is two magnets, and the positioning posts 13 and the limiting blocks 14 are four.

As shown in fig. 2 and 3, the rotor 30 is inserted through the stator 20 and the housing 10, and optionally, the rotor 30 includes a rotating shaft 31, a first bearing 32 and a second bearing 33, the first bearing 32 is mounted on the first housing 11, the second bearing 33 is mounted on the second housing 12, and the first bearing 32 and the second bearing 33 are respectively sleeved at two ends of the rotating shaft 31.

Referring to fig. 1 to 3, the heat dissipation assembly 40 includes a heat dissipation cover 41 and two fans 42, the housing 10 is detachably connected in the heat dissipation cover 41, two ends of the heat dissipation cover 41 are respectively provided with heat dissipation holes 401, and the heat dissipation holes 401 are communicated with the through holes 101 to form convection so as to facilitate gas flow; two fans 42 are respectively installed at two ends of the rotor 30, and the heat dissipation cover 41 covers the fans 42; optionally, the side wall of the heat dissipation cover 41 is provided with a plurality of holes 402 to accelerate the air flow. In an embodiment, the heat dissipation cover 41 includes a first cover 411 and a second cover 412, and the second cover 412 is detachably connected to the first cover 411, so as to facilitate disassembly and assembly. Further, a first accommodating groove 413 is formed at one end of the first cover 411 close to the second cover 412, a second accommodating groove 414 is formed at one end of the second cover 412 close to the first cover 411, and the first accommodating groove 413 and the second accommodating groove 414 are used for accommodating edges of the housing 10 so as to fix the housing 10; preferably, two fans 42 are respectively installed at both ends of the rotating shaft 31, one fan 42 is used for accelerating the cooling air to enter the stator 20 and the rotor 30, and the other fan 42 is used for accelerating the air flowing through the stator 20 and the rotor 30 to be discharged, so that the heat dissipation efficiency is improved.

As shown in fig. 2 and 3, the motor 100 with dual fans further includes a plurality of fixing members 50, wherein the fixing members 50 are used for fixing the first housing 11 and the second housing 12; optionally, the fixing member 50 is a screw.

As shown in fig. 1 and 2, the motor 100 with dual fans further includes a plurality of fasteners 60, and the fasteners 60 are used for fixing the first cover 411 and the second cover 412; alternatively, the fastener 60 is a screw.

When in use, one fan 42 drives cooling air to enter the through hole 101 from the heat dissipation hole 401 and the hole groove 402 to take away heat of the stator 20 and the rotor 30; the other fan 42 drives the air flowing through the stator 20 and the rotor 30 to be rapidly discharged from the through hole 101, the heat dissipation hole 401 and the hole groove 402, so that the heat dissipation effect is good.

The motor 100 with double fans is communicated with the through hole 101 through the heat dissipation holes 401 to form convection so as to facilitate heat dissipation between the stator 20 and the rotor 30; fans 42 are arranged at two ends of the rotor 30 to accelerate air flow and improve heat dissipation efficiency; the motor 100 with double fans has compact structure and good heat dissipation effect.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The motor with the double fans is characterized by comprising a shell, a stator, a rotor and a heat dissipation assembly, wherein through holes are respectively formed in two ends of the shell, the stator is arranged in the shell, and the rotor penetrates through the stator and the shell; the heat dissipation assembly comprises a heat dissipation cover and two fans, the shell is detachably connected in the heat dissipation cover, heat dissipation holes are respectively formed in two ends of the heat dissipation cover, the heat dissipation holes are communicated with the through holes, the two fans are respectively arranged at two ends of the rotor, and the heat dissipation cover is provided with the fans.

2. The motor with dual fans of claim 1 wherein the housing comprises a first housing and a second housing, the second housing being removably connected to the first housing.

3. The motor with dual fans of claim 2 further comprising a plurality of fasteners for securing the first housing and the second housing.

4. The motor with double fans according to claim 2, wherein the rotor comprises a rotating shaft, a first bearing and a second bearing, the first bearing is mounted on the first housing, the second bearing is mounted on the second housing, and the first bearing and the second bearing are respectively sleeved at two ends of the rotating shaft; the two fans are respectively arranged at two ends of the rotating shaft.

5. The motor with double fans as claimed in claim 2, wherein a plurality of positioning posts are provided on the inner side of the first housing, two adjacent positioning posts are used to abut against two ends of the stator, and a plurality of stoppers are provided on the inner side of the second housing, and the stoppers are used to abut against one end of the stator.

6. The motor with dual fans of claim 5 wherein one of said positioning posts is in a "7" configuration and adjacent said positioning posts are in an inverted "7" configuration.

7. The motor with dual fans of claim 1 wherein the heat sink housing comprises a first housing and a second housing, the second housing removably coupled to the first housing.

8. The motor with double fans of claim 7, wherein a first receiving groove is formed in one end of the first cover body, which is close to the second cover body, and a second receiving groove is formed in one end of the second cover body, which is close to the first cover body, and the first receiving groove and the second receiving groove are used for receiving edges of the housing.

9. The motor with dual fans of claim 7 further comprising a plurality of fasteners for securing the first and second covers.

10. The motor with double fans of claim 1 wherein the side walls of the heat sink housing are provided with a plurality of holes.