CN220273422U

CN220273422U - Outer rotor brushless motor mounting support

Info

Publication number: CN220273422U
Application number: CN202321871680.5U
Authority: CN
Inventors: 刘德广; 周翔
Original assignee: Dongguan Country Dream Motor Co ltd
Current assignee: Dongguan Country Dream Motor Co ltd
Priority date: 2023-07-17
Filing date: 2023-07-17
Publication date: 2023-12-29
Anticipated expiration: 2033-07-17

Abstract

The utility model discloses an outer rotor brushless motor mounting support, and relates to the technical field of motors. The utility model comprises a shell and a cover, wherein a rotating shaft is in running fit in the shell, two ends of the rotating shaft penetrate through the shell and the cover, a shaft sleeve is arranged on the periphery of the rotating shaft, and a plurality of stator cores are arranged on the periphery of the shaft sleeve; the cover is installed in casing one side, and a plurality of stator core are installed in cover one side, and first bearing is installed to cover one side, and the axle sleeve is installed in first bearing, and the pedestal has been installed to cover one side, and two supports have been installed to pedestal week side, and the mounting hole has all been seted up to two support one sides. According to the utility model, the shafts are respectively arranged at the two sides of the shell and the cover, so that the shafts at the two ends can bear load, the outer rotor brushless motor adopts double shafts, and the mounting holes can be directly fixed in the whole machine at the periphery of the seat body through the two supports, thereby reducing the need of adding one mounting bracket to fix the motor.

Description

Outer rotor brushless motor mounting support

Technical Field

The utility model belongs to the field of motors, and particularly relates to an outer rotor brushless motor mounting support.

Background

Most of garden tools and electric tools are currently in brush motor brushless motors, inner rotor motors are rotated to outer rotor motors, and the price requirements of the market on the outer rotor motors are more and more severe.

Chinese patent publication No. CN217984680U discloses an external rotor brushless motor, which comprises a casing, a rotating shaft is installed inside the casing, a shaft sleeve is installed on the outer side wall of the rotating shaft, a plurality of stator cores are sleeved on the outer side wall of the shaft sleeve, and a plurality of stator cores are circularly arrayed; the machine cover is arranged on the machine shell, the stator core is arranged on one side of the machine cover, the first bearing and the second bearing are arranged on the other side of the machine cover, the second bearing is positioned in the first bearing, and the stator core is in running fit in the machine cover. According to the utility model, the stator winding and the PCBA assembly are in a glue filling design, so that the PCBA assembly and the stator winding are sealed, and even if the PCBA assembly is contacted with water, electronic elements and short circuits of the PCBA assembly are not burnt, and the PCBA assembly is applicable to various environments.

However, the outer rotor brushless motor adopts a single output shaft, the transmission mode is single, and the screw is installed in the third through hole and on the seat surface, which may result in the motor needing to be fixed in the whole machine by adding a fixed mounting plate, thereby increasing the material cost and the production efficiency.

The present utility model has been made in view of this.

Disclosure of Invention

The utility model aims to solve the technical problems of overcoming the defects of the prior art, providing an outer rotor brushless motor mounting support, and solving the technical problems that a single output shaft is adopted, the transmission mode is single, and a fixed mounting plate is required to be added to a motor to be fixed in a complete machine in the prior art.

In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:

an outer rotor brushless motor mounting bracket comprising: the motor comprises a machine shell and a machine cover, wherein a rotating shaft is in running fit in the machine shell, two ends of the rotating shaft penetrate through the machine shell and the machine cover, a shaft sleeve is arranged on the periphery of the rotating shaft, a plurality of stator iron cores are arranged on the periphery of the shaft sleeve, and the stator iron cores are distributed circularly;

the cover is installed in casing one side, and a plurality of stator core are installed in cover one side, and first bearing is installed to cover one side, and the axle sleeve is installed in first bearing, and the pedestal has been installed to cover one side, and two supports have been installed to pedestal week side, and the mounting hole has all been seted up to two support one sides.

Optionally, a placing groove is formed in one side of the casing, a second bearing is arranged in the placing groove, and the rotating shaft is arranged on the inner side of the second bearing.

Optionally, a plurality of first through holes are formed in one side of the casing, and the plurality of first through holes are distributed in a circular shape; a plurality of through holes are formed in one side of the base body, and the through holes penetrate through the cover.

Optionally, a fixing groove is formed on one side of the base body, and the first bearing is arranged in the fixing groove; the two supports are of round structures and are perpendicular to the base body.

After the technical scheme is adopted, compared with the prior art, the utility model has the following beneficial effects, and of course, any product for implementing the utility model does not necessarily need to achieve all the following advantages at the same time:

the rotating shafts arranged on the two sides of the shell and the cover are respectively provided with a shaft, the rotating shafts with the shafts at the two ends can be loaded, the outer rotor brushless motor adopts double shafts, the single transmission mode of the outer rotor brushless motor is reduced, the two supports are arranged, the mounting holes are directly fixed in the whole machine at the periphery of the base, and the need of adding one mounting bracket to fix the motor is reduced, so that the material cost is reduced, and the production efficiency is improved.

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.

Drawings

The drawings in the following description are only examples of embodiments from which other drawings may be derived by those skilled in the art without the exercise of inventive faculty. In the drawings:

FIG. 1 is a schematic view of a housing according to an embodiment of the utility model;

FIG. 2 is a schematic view of a rotating shaft according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a shaft sleeve according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a stator core according to an embodiment of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

the motor comprises a machine shell 1, a first through hole 2, a rotating shaft 3, a second bearing 4, a placing groove 5, a machine cover 6, a seat body 7, a first bearing 8, a support 9, a mounting hole 10, a stator core 11, a shaft sleeve 12, a positioning block 13 and a through hole 14.

It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.

Detailed Description

The utility model will now be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-4, in this embodiment, there is provided an outer rotor brushless motor mounting support, including: the machine comprises a machine shell 1 and a machine cover 6, wherein a rotating shaft 3 is rotationally matched with the machine shell 1, two ends of the rotating shaft 3 penetrate through the machine shell 1 and the machine cover 6, a shaft sleeve 12 is arranged on the periphery side of the rotating shaft 3, a plurality of stator iron cores 11 are arranged on the periphery side of the shaft sleeve 12, and the stator iron cores 11 are distributed circularly;

the machine cover 6 is arranged on one side of the machine shell 1, a plurality of stator iron cores 11 are arranged on one side of the machine cover 6, a first bearing 8 is arranged on one side of the machine cover 6, a shaft sleeve 12 is arranged in the first bearing 8, a seat body 7 is arranged on one side of the machine cover 6, two support seats 9 are arranged on the periphery side of the seat body 7, and mounting holes 10 are formed in one side of each of the two support seats 9; a fixed groove is formed in one side of the seat body 7, and a first bearing 8 is arranged in the fixed groove; the two supports 9 are of circular structures, and the two supports 9 are perpendicular to the base 7.

Through the pivot 3 that sets up all go out the axle at casing 1 and lid 6 both sides direction, enable the pivot 3 that both ends go out the axle all can take the load, external rotor brushless motor adopts two play axles to reduced the single condition of external rotor brushless motor transmission mode, through two support 9 that set up, enable mounting hole 10 in the whole machine of body 7 week side direct fixation, reduced and need increase a installing support and fix the motor, thereby reduced material cost and improved production efficiency.

A placing groove 5 is formed in one side of the casing 1 of the embodiment, a second bearing 4 is arranged in the placing groove 5, and the rotating shaft 3 is arranged on the inner side of the second bearing 4. Through the second bearing 4 that sets up, at first install stator core 11 on casing 1 through second bearing 4, then establish shaft sleeve 12 cover on pivot 3, then install stator core 11 on lid 6, then drive a plurality of stator cores 11 cover through lid 6 and establish in the week side of shaft sleeve 12, and then accomplish the equipment of external rotor.

A plurality of first through holes 2 are formed in one side of the casing 1 of the embodiment, and the plurality of first through holes 2 are distributed in a circular shape; a plurality of through holes 14 are formed in one side of the base 7, and the through holes 14 penetrate through the cover 6. Through the plurality of through holes 14 that set up, be convenient for keep casing 1 interior air and external air circulation through first through hole 2, through the plurality of through holes 14 that set up, be convenient for install the cover 6 in one side of casing 1 through the screw.

The present utility model is not limited to the above embodiments, and any person who can learn the structural changes made under the teaching of the present utility model can fall within the scope of the present utility model if the present utility model has the same or similar technical solutions. The technology, shape, and construction parts of the present utility model, which are not described in detail, are known in the art.

Claims

1. An outer rotor brushless motor mounting support, comprising: the motor comprises a machine shell (1) and a machine cover (6), wherein a rotating shaft (3) is rotationally matched with the machine shell (1), two ends of the rotating shaft (3) penetrate through the machine shell (1) and the machine cover (6), a shaft sleeve (12) is arranged on the periphery of the rotating shaft (3), and a plurality of stator iron cores (11) are arranged on the periphery of the shaft sleeve (12);

the machine cover (6) is arranged on one side of the machine shell (1), a plurality of stator iron cores (11) are arranged on one side of the machine cover (6), a first bearing (8) is arranged on one side of the machine cover (6), a shaft sleeve (12) is arranged in the first bearing (8), a seat body (7) is arranged on one side of the machine cover (6), two support seats (9) are arranged on the periphery of the seat body (7), and mounting holes (10) are formed in one sides of the two support seats (9).

2. The outer rotor brushless motor mounting support according to claim 1, wherein a placement groove (5) is formed in one side of the casing (1), a second bearing (4) is arranged in the placement groove (5), and the rotating shaft (3) is arranged on the inner side of the second bearing (4).

3. The outer rotor brushless motor mounting support according to claim 1, wherein a plurality of first through holes (2) are formed in one side of the casing (1), and the plurality of first through holes (2) are distributed in a circular shape.

4. An outer rotor brushless motor mounting support according to claim 1, characterized in that a plurality of through holes (14) are formed in one side of the base body (7), and the through holes (14) penetrate through the cover (6).

5. An outer rotor brushless motor mounting support according to claim 1, characterized in that a fixing groove is provided on one side of the base body (7), and the first bearing (8) is provided in the fixing groove.

6. An outer rotor brushless motor mounting support according to claim 1, characterized in that both supports (9) are of circular structure, and that both supports (9) are perpendicular to the base body (7).