CN217240420U

CN217240420U - Motor rotor

Info

Publication number: CN217240420U
Application number: CN202221081426.0U
Authority: CN
Inventors: 徐红耀; 王建良; 吴义顺
Original assignee: Nanling Liang Li Electrical Tools Co ltd
Current assignee: Nanling Liang Li Electrical Tools Co ltd
Priority date: 2022-05-08
Filing date: 2022-05-08
Publication date: 2022-08-19
Anticipated expiration: 2032-05-08

Abstract

The utility model provides an electric motor rotor, electric motor rotor constitute by rotor piece, magnetic shoe, the stator piece include outer loop, inner ring, its characterized in that: the outer ring outer wall is provided with a positioning groove, the inner ring is arranged in the outer ring, a connecting plate is arranged between the inner ring and the outer ring, an iron core groove is arranged on the inner ring, and the magnetic shoe is provided with a mounting block which is inserted into the positioning groove. The utility model discloses outer loop, inner ring and connecting plate set up to whole shaping structure to be provided with the coil groove between outer loop and inner ring, with the whole stamping forming of rotor piece that outer loop, inner ring and connecting plate are constituteed, can reduce the processing degree of difficulty of rotor piece, also be convenient for assemble the rotor piece, improve the packaging efficiency of rotor.

Description

Motor rotor

Technical Field

The utility model relates to a motor element specifically relates to an electric motor rotor.

Background

Because the brush motor that has the existence generate heat greatly, the friction is big, shortcomings such as loss is big, more and more brushless motor replaces brush motor, current brushless motor rotor can produce induced-current on the surface, form the vortex simultaneously, brushless motor's loss has been increased, brushless motor's efficiency has been reduced, brushless motor rotor's life has been shortened, a high-efficient motor rotor punching sheet has been published like application number 202123046209.6, it has solved the easy rusty problem in the motor rotor outside, but it has magnetic shoe magnetic force easily dispersed, motor rotor structural strength is not high, the not good problem of magnetic shoe stability in the course of the work.

Disclosure of Invention

The utility model aims at providing a magnetic shoe magnetic force that exists to current electric motor rotor easily disperses, electric motor rotor structural strength is not high, the not good problem of magnetic shoe stability in the course of the work, provides a work efficiency height, the magnetic shoe magnetic force is difficult for dispersing, electric motor rotor structural strength is good, the magnetic shoe is high electric motor rotor of stability in the course of the work.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a motor rotor, motor rotor constitute by rotor piece, magnetic shoe, the rotor piece include outer loop, inner ring, its characterized in that: the outer ring outer wall on be provided with the constant head tank, the inner ring set up in the outer ring, be provided with the connecting plate between inner ring and the outer ring to be provided with the iron core groove on the inner ring, set up outer ring, inner ring and connecting plate into the integrated into one piece structure, and be provided with the coil groove between outer ring and inner ring, with the whole stamping forming of rotor piece that outer ring, inner ring and connecting plate are constituteed, can reduce the processing degree of difficulty of rotor piece, also be convenient for assemble the rotor piece, improve the packaging efficiency of rotor, the magnetic shoe on be provided with the installation piece to insert the constant head tank with the installation piece in, insert the draw-in groove with the fixture block, can improve the stability of installation piece in the constant head tank, and then improve the magnetic shoe stability along with the rotatory in-process of electric motor rotor, improve electric motor rotor's work efficiency.

Preferably, the outer ring, the inner ring and the connecting plate are of an integral forming structure, the coil grooves are formed between the outer ring and the inner ring, the rotor sheet consisting of the outer ring, the inner ring and the connecting plate is integrally formed in a punching mode, the processing difficulty of the rotor sheet can be reduced, the rotor sheet can be conveniently assembled, and the assembling efficiency of the rotor is improved.

Preferably, the inner wall of the coil groove is provided with a limiting groove, the stability of the coil in the coil groove is improved through the limiting groove, the phenomenon that the coil is loosened along with the rotation of the rotor in the process is avoided, the working efficiency of the rotor is improved, and further the working efficiency of the motor is improved.

Preferably, the outer ring is provided with a magnetism isolating groove, the magnetism isolating groove is connected with the positioning groove through the magnetism isolating transition groove, and the magnetism of the magnetic shoe can be prevented from being dispersed through the magnetism isolating groove and the magnetism isolating transition groove, so that the magnetic force is more concentrated, the rotating speed of the motor rotor is improved, and the working efficiency of the motor is enhanced.

Preferably, the outer ring is provided with a rivet, the connecting plate is provided with a reinforcing column, the rivet on the outer ring can reinforce the connection strength between the upper and lower adjacent layers of rotor sheets and the rotor sheets, so that the quality performance of the motor rotor is improved, the connecting plates of the plurality of rotor sheets can be connected together through the reinforcing column, and the quality performance of the motor rotor is further improved.

Preferably, the magnetic shoe installation block both sides be provided with the fixture block, the constant head tank both sides be provided with the draw-in groove to insert the fixture block in the draw-in groove, can improve the stability of installation block in the locating block, and then improve the magnetic shoe at the stability along with the rotatory in-process of electric motor rotor, improve electric motor rotor's work efficiency.

Has the advantages that: the utility model discloses set up outer loop, inner ring and connecting plate into whole shaping structure to be provided with the coil groove between outer loop and inner ring, with the whole stamping forming of rotor piece that outer loop, inner ring and connecting plate are constituteed, can reduce the processing degree of difficulty of rotor piece, also be convenient for assemble the rotor piece, improve the packaging efficiency of rotor.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of a part of the structure of the present invention, illustrating the connection structure of the outer ring and the inner ring.

Fig. 3 is a schematic view of a part of the structure of the present invention, illustrating the connection structure of the magnetic shoe and the mounting block.

Fig. 4 is a schematic view of another embodiment of the present invention.

In the figure: 1. the magnetic core comprises an outer ring, 2 magnetic shoes, 3 inner rings, 4 connecting plates, 5 iron core grooves, 6 coil grooves, 7 reinforcing columns, 8 positioning grooves, 9 magnetic isolation grooves, 10 riveting buttons, 11 magnetic isolation transition grooves, 12 clamping grooves, 13 mounting blocks, 14 clamping blocks, 15 limiting grooves, 16 welding grooves and 17 welding columns.

Detailed Description

The first embodiment is as follows:

as shown in figures 1-3: the utility model provides a motor rotor, motor rotor constitute by rotor piece, magnetic shoe 2, rotor piece include outer loop 1, inner ring 3, its characterized in that: the outer wall of the outer ring 1 is provided with a positioning groove 8, the inner ring 3 is arranged in the outer ring 1, a connecting plate 4 is arranged between the inner ring 3 and the outer ring 1, an iron core groove 5 is arranged on the inner ring 3, the outer ring 1, the inner ring 3 and the connecting plate 4 are arranged into an integral forming structure, and a coil slot 6 is arranged between the outer ring 1 and the inner ring 3, the rotor sheet composed of the outer ring 1, the inner ring 3 and the connecting plate 4 is integrally formed by punching, the processing difficulty of the rotor sheet can be reduced, the rotor sheet is convenient to assemble, the assembling efficiency of the rotor is improved, the magnetic tile 2 is provided with an installation block 13, the mounting block 13 is inserted into the positioning groove 8, the clamping block 14 is inserted into the clamping groove 12, the stability of the mounting block 13 in the positioning groove can be improved, and then improve the stability of magnetic shoe 2 in the rotatory in-process along with the motor rotor, improve the work efficiency of motor rotor.

Preferably, outer loop 1, inner ring 3 and connecting plate 4 set up to integral forming structure to be provided with coil groove 6 between outer loop 1 and inner ring 3, with the whole stamping forming of the rotor piece that outer loop 1, inner ring 3 and connecting plate 4 are constituteed, can reduce the processing degree of difficulty of rotor piece, also be convenient for assemble the rotor piece, improve the packaging efficiency of rotor.

Preferably, the inner wall of the coil slot 6 is provided with the limiting slot 15, the stability of the coil in the coil slot 6 is improved through the limiting slot 15, the coil is prevented from loosening along with the rotation of the rotor, the working efficiency of the rotor is improved, and the working efficiency of the motor is further improved.

Preferably, the outer ring 1 is provided with a magnetism isolating groove 9, the magnetism isolating groove 9 is connected with the positioning groove 8 through a magnetism isolating transition groove 11, and the magnetism of the magnetic shoe 2 can be prevented from being dispersed through the magnetism isolating groove 9 and the magnetism isolating transition groove 11, so that the magnetism is more concentrated, the rotating speed of the motor rotor is improved, and the working efficiency of the motor is enhanced.

Preferably, the outer ring 1 is provided with a rivet 10, the connecting plate 4 is provided with a reinforcing column 7, the rivet 10 on the outer ring 1 can enhance the connection strength between the upper and lower adjacent two layers of rotor sheets and the rotor sheets, so that the quality performance of the motor rotor is improved, and the reinforcing column 7 can connect the connecting plates 4 of the plurality of rotor sheets together, so that the quality performance of the motor rotor is further improved.

Preferably, clamping blocks 14 are arranged on two sides of an installation block 13 of the magnetic shoe 2, clamping grooves 12 are arranged on two sides of the positioning groove 8, the clamping blocks 14 are inserted into the clamping grooves 12, the stability of the installation block 13 in the positioning blocks can be improved, the stability of the magnetic shoe 2 in the rotating process along with the motor rotor is improved, and the working efficiency of the motor rotor is improved.

The second embodiment:

as shown in fig. 4: the utility model provides a motor rotor, motor rotor constitute by rotor piece, magnetic shoe 2, rotor piece include outer loop 1, inner ring 3, its characterized in that: the outer wall of the outer ring 1 is provided with a positioning groove 8, the inner ring 3 is arranged in the outer ring 1, a connecting plate 4 is arranged between the inner ring 3 and the outer ring 1, an iron core groove 5 is arranged on the inner ring 3, the outer ring 1, the inner ring 3 and the connecting plate 4 are arranged into an integral forming structure, and a coil slot 6 is arranged between the outer ring 1 and the inner ring 3, the rotor sheet composed of the outer ring 1, the inner ring 3 and the connecting plate 4 is integrally formed by punching, the processing difficulty of the rotor sheet can be reduced, the rotor sheet is convenient to assemble, the assembling efficiency of the rotor is improved, the magnetic tile 2 is provided with an installation block 13, the mounting block 13 is inserted into the positioning groove 8, the clamping block 14 is inserted into the clamping groove 12, the stability of the mounting block 13 in the positioning groove can be improved, and then improve the stability of magnetic shoe 2 in the rotatory in-process along with the motor rotor, improve the work efficiency of motor rotor.

Preferably, the two sides of the mounting block 13 of the magnetic shoe 2 are provided with the clamping blocks 14, the two sides of the positioning groove 8 are provided with the clamping grooves 12, the clamping blocks 14 are inserted into the clamping grooves 12, the stability of the mounting block 13 in the positioning blocks can be improved, the stability of the magnetic shoe 2 in the rotating process along with the motor rotor is improved, and the working efficiency of the motor rotor is improved.

Preferably, the outer wall of the outer ring 1 is provided with a welding groove 16, and a welding column 17 is welded in the welding groove 16, so that the tightness of connection between the rotor sheets and the indexing sheets can be enhanced through the welding column 17, the connection strength between the rotor sheets and the rotor sheets is further improved, and the quality performance of the motor stator is enhanced.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection or point connection; the terms may be directly connected or indirectly connected through an intermediate medium, and may be used for communicating the inside of two elements or for interacting with each other, unless otherwise specifically defined, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to the specific circumstances.

The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.

Claims

1. The utility model provides a motor rotor, motor rotor constitute by rotor piece, magnetic shoe, the rotor piece include outer loop, inner ring, its characterized in that: the outer ring outer wall is provided with a positioning groove, the inner ring is arranged in the outer ring, a connecting plate is arranged between the inner ring and the outer ring, an iron core groove is arranged on the inner ring, and the magnetic shoe is provided with a mounting block which is inserted into the positioning groove.

2. The electric machine rotor as recited in claim 1, wherein: the outer ring, the inner ring and the connecting plate are of an integral forming structure, and a coil slot is arranged between the outer ring and the inner ring.

3. The electric machine rotor as recited in claim 2, wherein: and the inner wall of the coil groove is provided with a limiting groove.

4. The electric machine rotor as recited in claim 1, wherein: the outer ring is provided with a magnetism isolating groove, and the magnetism isolating groove is connected with the positioning groove through a magnetism isolating transition groove.

5. The electric machine rotor as recited in claim 1, wherein: the outer ring is provided with a rivet, and the connecting plate is provided with a reinforcing column.

6. The electric machine rotor as recited in claim 1, wherein: the magnetic shoe is characterized in that clamping blocks are arranged on two sides of the mounting block of the magnetic shoe, clamping grooves are formed in two sides of the positioning groove, and the clamping blocks are inserted into the clamping grooves.