CN211481015U

CN211481015U - Stator, motor and fan

Info

Publication number: CN211481015U
Application number: CN202020272861.6U
Authority: CN
Inventors: 彭全胜
Original assignee: Heyuan Yongjia Industry Co ltd
Current assignee: Heyuan Yongjia Industry Co ltd
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-09-11
Anticipated expiration: 2030-03-06

Abstract

The utility model provides a stator, a motor and a fan, wherein, the stator comprises a fixed seat, a tooth part and a plurality of cylinders for winding; the tooth part is a closed annular body or a closed annular body formed by a plurality of arc-shaped parts, and the tooth part is arranged on the fixed seat through a plurality of columns to form a stator. The utility model has the advantages that: the tooth part is set to be a closed annular body, so that tooth gaps on the tooth part are eliminated in a limited space, and magnetic circuits in the motor are distributed more reasonably and uniformly, thereby reducing magnetic loss, improving the efficiency of the motor and reducing the power consumption of the fan.

Description

Stator, motor and fan

Technical Field

The utility model relates to a fan field, concretely relates to stator, motor and fan.

Background

The performance of the fan is greatly improved, the power consumption of the fan is correspondingly increased, when the power consumption is increased, the efficiency of a fan motor is generally reduced, and in order to improve the efficiency of the motor, the efficiency can be realized by reducing the magnetic loss in the motor silicon steel sheet.

SUMMERY OF THE UTILITY MODEL

Based on the problem of prior art, the utility model provides a stator, motor and fan.

The utility model provides a stator, which comprises a fixed seat, a tooth part and a plurality of cylinders for winding; the tooth part is a closed annular body or a closed annular body formed by a plurality of arc-shaped parts, and the tooth part is arranged on the fixed seat through a plurality of columns to form a stator.

Furthermore, the tooth part is a closed annular body, the plurality of columns and the fixed seat are integrally formed, and the tooth part is installed on the fixed seat through the columns on the fixed seat.

Furthermore, the tooth part is a closed annular body, the columns are respectively detachably connected with the fixed seat and the tooth part, each column is installed on the fixed seat one by one, and the tooth part is installed on the fixed seat through the columns on the fixed seat.

Further, the tooth part is a closed annular body formed by a plurality of arc parts, the cylinder and the arc parts are integrally formed, and each arc part is installed on the fixed seat one by one through the cylinder integrated with the arc part.

Furthermore, the tooth part is a closed annular body formed by a plurality of arc-shaped parts, the plurality of columns and the fixed seat are integrally formed, and each arc-shaped part is installed on the fixed seat one by one through the columns on the fixed seat.

Furthermore, the tooth part is a closed annular body formed by a plurality of arc-shaped parts, and the fixed seat is an annular body formed by a plurality of arc-shaped walls; the cylinder, the arc-shaped part and the arc-shaped wall are integrally formed into an assembly, and the assembly is mutually assembled to form the stator.

Further, the number of the cylinders is an even number from 4 to 16, and the cylinders are symmetrically distributed between the tooth parts and the fixed seat.

Furthermore, a convex part is arranged at the joint of the tooth part and the cylinder and used for jacking and winding the wire on the cylinder.

The utility model also provides a motor, the motor includes a rotor and the stator of any one of the above; the rotor is provided with a mounting groove, and a rotating shaft is arranged in the mounting groove; the stator sets up just in the mounting groove the fixing base cover is established the pivot outside.

The utility model also provides a fan, which comprises a framework, fan blades and the motor; the motor is arranged on the framework, and the fan blades are arranged on a rotor of the motor.

The utility model has the advantages that: the tooth part is set to be a closed annular body, so that tooth gaps on the tooth part are eliminated in a limited space, and magnetic circuits in the motor are distributed more reasonably and uniformly, thereby reducing magnetic loss, improving the efficiency of the motor and reducing the power consumption of the fan.

Drawings

Fig. 1 is a schematic partial structural view of a stator provided by the present invention;

FIG. 2 is an exploded view of a stator according to one embodiment;

FIG. 3 is an exploded view of a stator according to a second embodiment;

fig. 4 is a partial exploded view of a stator according to a third embodiment;

FIG. 5 is an exploded view of a stator according to the fourth embodiment;

FIG. 6 is an exploded view of a stator according to the fifth embodiment;

FIG. 7 is a schematic view of a partial structure of a stator;

fig. 8 is a schematic view of a partial structure of a motor according to the present invention;

fig. 9 is an exploded view of a fan according to the present invention.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all directional indicators (such as up, down, left, right, front, back, horizontal, vertical, etc.) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. under a certain posture (as shown in the drawings), if the certain posture changes, the directional indicator changes accordingly, the "connection" may be a direct connection or an indirect connection, and the "setting", and "setting" may be directly or indirectly set.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Fig. 1 is a partial structural schematic view of a stator provided by the present invention, the stator 101 includes a fixed base 20, a tooth portion 10 and a plurality of columns 30 for winding 40; the tooth 10 is a closed ring or a closed ring made up of a plurality of arc-shaped portions 12, and the tooth 10 is mounted on the holder 20 by a plurality of posts 30 to form a stator 101.

The tooth 10 is a closed annular body, so that the backlash on the tooth 10 is eliminated in a limited space, and the magnetic circuit distribution in the motor 100 is more reasonable and uniform, thereby reducing the magnetic loss and improving the efficiency of the motor 100.

Fig. 2 is a partial exploded view of a stator according to an embodiment, in which the tooth 10 is a closed ring, a plurality of posts 30 are integrally formed with the holder 20, and the tooth 10 is mounted on the holder 20 through the posts 30 on the holder 20.

When the stator 101 is assembled, the teeth 10 can be detached from the stator 101, and the teeth 10 are mounted on the column 30 after the coil 40 is wound on the column 30, so that the problem that the coil 40 is inconvenient to wind after the teeth clearance of the stator 101 is eliminated is solved. The structure of the installation body is only divided into two parts, the column 30 is arranged on the fixed seat 20 and is connected with the fixed seat 20 into a whole, the winding 40 of the column 30 is very convenient, and the assembling process of the stator 101 is also simplified.

Fig. 3 is a partial exploded view of a stator according to the second embodiment, in which the tooth 10 is a closed annular body, the posts 30 are detachably connected to the fixing base 20 and the tooth 10, respectively, each post 30 is installed on the fixing base 20 one by one, and the tooth 10 is installed on the fixing base 20 through the post 30 on the fixing base 20.

When the stator 101 is assembled, the tooth 10 and the column 30 can be detached from the stator 101, and after the wire 40 is wound on the column 30, the column 30 is installed on the tooth 10 and the fixed seat 20, thereby solving the problem that the wire 40 is inconvenient to wind after the backlash of the stator 101 is eliminated.

Fig. 4 is a partial exploded view of a stator according to a third embodiment, in which the tooth 10 is a closed annular body formed by a plurality of arc-shaped portions 12, a column 30 is integrally formed with one of the arc-shaped portions 12, and each of the arc-shaped portions 12 is individually mounted on the fixing base 20 by the column 30 integrally formed therewith.

When the stator 101 is assembled, the integrated arc-shaped part 12 can be detached from the stator 101 through the column 30, and after the wire 40 is wound on the column 30, the column 30 is installed on the fixed seat 20, so that the problem that the wire 40 is inconvenient to wind after the backlash of the stator 101 is eliminated is solved. It will be appreciated that when the tooth 10 is a closed annular body formed by a plurality of arcuate portions 12, the arcuate portions 12 may abut each other exactly or may overlap each other somewhat.

Furthermore, a clamping groove 31 is formed in the column body 30, a clamping protrusion 21 is arranged on the fixing seat 20 corresponding to the clamping groove 31, or a clamping protrusion 21 is arranged on the column body 30, a clamping groove 31 is formed in the fixing seat 20 corresponding to the clamping protrusion 21, and the column body 30 is clamped with the clamping protrusion 21 through the clamping groove 31 and is installed on the fixing seat 20. In other embodiments, when the column 30 is detachably connected to the fixing base 20 and the tooth portion 10, or when the fixing base 20 and the tooth portion 10 are separated into a plurality of parts, the assembly can also be achieved by providing the detent protrusion 21 and the detent groove 31 which are matched with each other.

Fig. 5 is a partial exploded view of a stator according to a fourth embodiment, in which the tooth 10 is a closed annular body formed by a plurality of arc-shaped portions 12, a plurality of columns 30 are integrally formed with the fixing base 20, and each arc-shaped portion 12 is mounted on the fixing base 20 one by one with the column 30 on the fixing base 20.

When the stator 101 is assembled, the arc part 12 can be detached from the stator 101, and after the wire 40 is wound on the column 30, the arc part 12 is installed on the column 30, so that the problem that the wire 40 is inconvenient to wind after the tooth clearance of the stator 101 is eliminated is solved.

Fig. 6 is a partial exploded view of a stator according to the fifth embodiment, in which the tooth 10 is a closed ring formed by a plurality of arc-shaped portions 12, and the fixing base 20 is a ring formed by a plurality of arc-shaped walls 22; a cylinder 30, an arc portion 12 and an arc wall 22 are integrally formed as an assembly body 60, and a plurality of the assembly bodies 60 are assembled with each other to form the stator 101.

When the stator 101 is assembled, the assembly 60 can be detached from the stator 101, and after the wire 40 is wound on the column 30, the assembly 60 is assembled with each other, thereby solving the problem that the wire 40 is inconvenient to wind after the backlash of the stator 101 is eliminated.

The columns 30 are even numbered from 4 to 16 and are symmetrically distributed between the teeth 10 and the fixed seat 20.

Preferably, fig. 7 is a partial structural schematic view of a stator according to embodiments two to five of the present invention, where a protrusion 11 is disposed on the tooth portion 10 at a connection point with the cylinder 30, and is used for abutting against the wire 40 wound on the cylinder 30, so that the wire 40 is wound more tightly.

Fig. 8 is a partial structural schematic view of a motor provided by the present invention, the motor 100 includes a rotor 102 and a stator 101 according to any one of the second to the fifth embodiments; the rotor 102 is provided with a mounting groove 1021, and a rotating shaft 1022 is arranged in the mounting groove 1021; the stator 101 is disposed in the mounting groove 1021 and the fixing base 20 is sleeved on the outer side of the rotating shaft 1022.

The teeth 10 of the stator 101 of the motor 100 are formed as a closed annular body, so that backlash on the teeth 10 is eliminated in a limited space, and magnetic paths in the motor 100 are distributed more reasonably and uniformly, thereby reducing magnetic loss and improving the efficiency of the motor 100.

Fig. 9 is a schematic structural diagram of a fan according to the present invention, which includes a frame 200, fan blades 300, and the motor 100 shown in fig. 9; the motor 100 is disposed on the frame 200, and the fan 300 is disposed on the rotor 102 of the motor 100.

In the motor 100 of the fan, the tooth 10 of the stator 101 is a closed annular body, so that the backlash on the tooth 10 is eliminated in a limited space, and the magnetic circuit distribution in the motor 100 is more reasonable and uniform, thereby reducing the magnetic loss and improving the efficiency of the motor 100.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.

Claims

1. A stator is characterized by comprising a fixed seat, a tooth part and a plurality of cylinders for winding; the tooth part is a closed annular body or a closed annular body formed by a plurality of arc-shaped parts, and the tooth part is arranged on the fixed seat through a plurality of columns to form a stator.

2. The stator as claimed in claim 1, wherein said teeth are a closed ring, a plurality of said posts are integrally formed with said holder, and said teeth are mounted on said holder by said posts on said holder.

3. The stator as claimed in claim 1, wherein said teeth are closed annular bodies, said posts are detachably connected to said holders and said teeth, respectively, each of said posts is mounted on said holder one by one, and said teeth are mounted on said holders by means of said posts on said holders.

4. The stator as claimed in claim 1, wherein the tooth portion is a closed ring body formed of a plurality of arc portions, the one column is formed integrally with the one arc portion, and each of the arc portions is mounted one by one on the holder by the column integrally formed therewith.

5. The stator as claimed in claim 1, wherein the tooth portion is a closed ring body formed of a plurality of arc portions, a plurality of the posts are integrally formed with the holder, and each of the arc portions is mounted on the holder one by the posts on the holder.

6. The stator as claimed in claim 1, wherein the teeth portion is a closed ring body formed of a plurality of arc-shaped portions, and the holder is a ring body formed of a plurality of arc-shaped walls; the cylinder, the arc-shaped part and the arc-shaped wall are integrally formed into an assembly, and the assembly is mutually assembled to form the stator.

7. The stator as claimed in claim 1, wherein the number of the posts is an even number of 4-16, and is symmetrically distributed between the teeth and the fixing base.

8. The stator as claimed in claim 1, wherein a protrusion is provided on the tooth portion for connecting with the cylinder for abutting against a wire wound on the cylinder.

9. A motor comprising a rotor and a stator according to any one of claims 1 to 8; the rotor is provided with a mounting groove, and a rotating shaft is arranged in the mounting groove; the stator sets up just in the mounting groove the fixing base cover is established the pivot outside.

10. A fan comprising a frame, fan blades, and the motor of claim 9; the motor is arranged on the framework, and the fan blades are arranged on a rotor of the motor.