CN210536392U

CN210536392U - Outer rotor permanent magnet synchronous motor structure

Info

Publication number: CN210536392U
Application number: CN201921824886.6U
Authority: CN
Inventors: 陈立波; 谭晓琳; 谭木莲
Original assignee: Foshan Jingben Motor Co Ltd
Current assignee: Foshan Jingben Motor Co Ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-05-15
Anticipated expiration: 2029-10-28

Abstract

The utility model belongs to the technical field of the motor technology and specifically relates to an external rotor permanent magnet synchronous motor structure, including permanent magnet synchronous motor, permanent magnet synchronous motor's the first adapter sleeve of rear end fixedly connected with, fixedly connected with dust screen on the inner wall of first adapter sleeve, the middle part position fixedly connected with bearing of dust screen, the interior axial surface fixedly connected with pivot of bearing, the cover is connected with the second adapter sleeve through stop gear in the pivot, the equal fixedly connected with connecting plate in second adapter sleeve both sides, fixedly connected with brush on the connecting plate, brush and dust screen looks butt, pivot one end fixedly connected with carousel, fixedly connected with spring between carousel and the second adapter sleeve, the spring housing is established in the pivot, and the spring is in compression state. The utility model has the characteristics of be convenient for clear up the dust screen.

Description

Outer rotor permanent magnet synchronous motor structure

Technical Field

The utility model relates to the technical field of electric machines, especially, relate to an outer rotor permanent magnet synchronous motor structure.

Background

The outer rotor motor has the characteristics of space saving, compact design and attractive appearance. The heat dissipation hole has been seted up through the backshell at the motor to outer rotor PMSM among the prior art, looses the inside heat of motor, nevertheless can lead to the dust to get into from the heat dissipation hole, influences the use of motor, and although some motors block through the installation dust screen, but the dust screen is not convenient for clear up the dust after being infected with the dust.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the dust screen is not convenient to clean in the prior art, and providing an outer rotor permanent magnet synchronous motor structure.

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

the utility model provides an outer rotor PMSM structure, includes PMSM, PMSM's the first adapter sleeve of rear end fixedly connected with, fixedly connected with dust screen on the inner wall of first adapter sleeve, the middle part fixedly connected with bearing of dust screen, the interior axial surface fixedly connected with pivot of bearing, the cover is connected with the second adapter sleeve through stop gear in the pivot, the equal fixedly connected with connecting plate in second adapter sleeve both sides, fixedly connected with brush on the connecting plate, brush and dust screen looks butt, pivot one end fixedly connected with carousel, fixedly connected with spring between carousel and the second adapter sleeve, the spring housing is established in the pivot, and the spring is in compression state.

Preferably, the lower end of the permanent magnet synchronous motor is fixedly connected with a base, and a plurality of fixing holes are formed in the periphery of the base.

Preferably, the base both sides equal fixedly connected with handle, the fixed bonding in handle middle part position has the protective sheath.

Preferably, the limiting mechanism comprises a limiting groove formed in the inner wall of the second connecting sleeve, limiting blocks are fixedly connected to two sides of the rotating shaft, and the limiting blocks are arranged in the limiting groove in a sliding mode.

Preferably, the turntable is provided with anti-skid lines.

The utility model provides a pair of external rotor PMSM structure, beneficial effect lies in: play the effect that blocks through the dust screen to the dust, the design of pivot, connecting plate, brush, spring, first adapter sleeve, second adapter sleeve simultaneously, with the brush butt on the dust screen, through rotating the pivot, can clean the dust on the dust screen, need not dismantle clearance, convenient and fast to the dust screen.

Drawings

Fig. 1 is a schematic structural diagram of an outer rotor permanent magnet synchronous motor structure provided by the present invention;

fig. 2 is a side view of the structure of an outer rotor permanent magnet synchronous motor 1 according to the present invention;

fig. 3 is an enlarged view of a portion a in a structure diagram 1 of an outer rotor permanent magnet synchronous motor according to the present invention;

fig. 4 is the utility model provides an outer rotor PMSM structure stop gear's schematic structure.

In the figure: the device comprises a first connecting sleeve 1, a permanent magnet synchronous motor 2, a base 3, a fixing hole 4, a connecting plate 5, a brush 6, a second connecting sleeve 7, a spring 8, a rotary table 9, a bearing 10, a dust screen 11, a rotating shaft 12, a limiting block 13, a limiting groove 14, a protective sleeve 15 and a handle 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

Referring to fig. 1-4, an outer rotor permanent magnet synchronous motor structure comprises a permanent magnet synchronous motor 2, a first connecting sleeve 1 is fixedly connected to the rear end of the permanent magnet synchronous motor 2, a dust screen 11 is fixedly connected to the inner wall of the first connecting sleeve 1, and the dust screen 11 is used for intercepting the rear end of the permanent magnet synchronous motor 2 to prevent dust from entering from heat dissipation holes.

The middle part position fixedly connected with bearing 10 of dust screen 11, interior axial surface fixedly connected with pivot 12 of bearing 10, pivot 12 is put the cover and is connected with second adapter sleeve 7 through stop gear, stop gear is including seting up the spacing groove 14 on 7 inner walls of second adapter sleeve, the equal fixedly connected with stopper 13 in pivot 12 both sides, stopper 13 slides and sets up at spacing inslot 14, slide through stopper 13 and set up at spacing inslot 14, play spacing effect to second adapter sleeve 7, make second adapter sleeve 7 can only control about removing in pivot 12.

Equal fixedly connected with connecting plate 5 in second adapter sleeve 7 both sides, fixedly connected with brush 6 on connecting plate 5,

brush

6 and 11 looks butt of dust screen, 12 one end fixedly connected with carousel 9 of pivot, be provided with anti-skidding line on carousel 9, fixedly connected with spring 8 between carousel 9 and the second adapter sleeve 7, the cover is established in pivot 12 to spring 8, and spring 8 is in compression state, because spring 8 is in compression state, produce thrust to second adapter sleeve 7, make 6 butt of brush at dust screen 11, when rotating carousel 9, will drive and rotate pivot 12, under stop gear's effect, will drive second adapter sleeve 7 and rotate, thereby make brush 6 rotate, clear up dust screen 11, do not need to dismantle the clearance to the dust screen, and is convenient and fast, the effect that is favorable to clearing up simultaneously.

Example 2

Referring to fig. 1, as another preferred embodiment of the present invention, the difference from embodiment 1 lies in that the lower end of the permanent magnet synchronous motor 2 is fixedly connected with a base 3, a plurality of fixing holes 4 are provided around the base 3, and the catalytic motor is conveniently installed and fixed by the cooperation of the bolts through the design of the fixing holes 4.

Example 3

Referring to fig. 1-2, as another preferred embodiment of the present invention, the difference with embodiment 2 lies in that, the equal fixedly connected with handle 16 in base 3 both sides, handle 16 middle part fixed position has bonded protective sheath 15, plays the effect of being convenient for to hold through the design of handle 16 to carry the motor, protective sheath 15 is made for rubber materials, comfort level when being favorable to holding.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An outer rotor permanent magnet synchronous motor structure comprises a permanent magnet synchronous motor (2), wherein a first connecting sleeve (1) is fixedly connected to the rear end of the permanent magnet synchronous motor (2), and is characterized in that a dustproof net (11) is fixedly connected to the inner wall of the first connecting sleeve (1), a bearing (10) is fixedly connected to the middle position of the dustproof net (11), a rotating shaft (12) is fixedly connected to the inner shaft surface of the bearing (10), a second connecting sleeve (7) is connected to the upper sleeve of the rotating shaft (12) through a limiting mechanism, connecting plates (5) are fixedly connected to two sides of the second connecting sleeve (7), a brush (6) is fixedly connected to the connecting plates (5), the brush (6) is abutted against the dustproof net (11), a rotating disc (9) is fixedly connected to one end of the rotating shaft (12), and a spring (8) is fixedly connected between the rotating disc (9) and the second connecting sleeve (7), the spring (8) is sleeved on the rotating shaft (12), and the spring (8) is in a compressed state.

2. The structure of the outer rotor permanent magnet synchronous motor according to claim 1, wherein a base (3) is fixedly connected to the lower end of the permanent magnet synchronous motor (2), and a plurality of fixing holes (4) are formed in the periphery of the base (3).

3. The structure of the outer rotor permanent magnet synchronous motor according to claim 2, wherein handles (16) are fixedly connected to two sides of the base (3), and a protective sleeve (15) is fixedly bonded to the middle of each handle (16).

4. The structure of the outer rotor permanent magnet synchronous motor according to claim 1, wherein the limiting mechanism comprises a limiting groove (14) formed in the inner wall of the second connecting sleeve (7), limiting blocks (13) are fixedly connected to both sides of the rotating shaft (12), and the limiting blocks (13) are slidably disposed in the limiting groove (14).

5. The structure of the outer rotor PMSM according to claim 1, characterized in that the turntable (9) is provided with anti-skid threads.