CN220605628U - Motor rotor insulation groove frame and ESC motor comprising same - Google Patents

Abstract

The utility model discloses a motor rotor insulation slot frame and an ESC motor comprising the same, wherein the motor rotor insulation slot frame comprises: the rotary disk body, protruding cell body and edge protruding piece, first wire through groove has been seted up to the rotary disk body, and the protruding cell body that forms of rotary disk body opposite side, second wire through groove is seted up to the protruding cell body, and first wire through groove and second wire through groove intercommunication, first wire through groove and second wire through groove supply the enameled wire to pass, form the winding face between two adjacent first wire through grooves, the winding face supplies the enameled wire winding, winding face position and deviate from protruding cell body one side, the winding face is the arc surface structure. The motor rotor insulation slot frame and the ESC motor comprising the same solve the problem that in the prior art, permanent magnets are stuck on an annular motor rotor, so that the permanent magnets are easy to damage.

Description

Motor rotor insulation groove frame and ESC motor comprising same

Technical Field

The utility model relates to a motor, in particular to a motor rotor insulation slot frame and an ESC motor comprising the same.

Background

The chinese patent discloses a novel outer rotor motor's mounting structure of application number CN201820052864.1, this novel outer rotor motor's mounting structure belongs to outer rotor motor structural design field, including motor stator and motor rotor, the mounting groove of L type structure has been seted up on motor stator's the position from the circumference to the terminal surface, the quantity of mounting groove is a plurality of, and winds motor stator's central evenly distributed in the mounting groove and around the coil winding that is provided with L type structure, coil winding both ends respectively to motor stator outside extends, motor rotor with motor stator cooperatees and is connected, motor rotor's tip all is provided with the permanent magnet on with the inner wall.

Although permanent magnets can be mounted on the annular motor rotor, the mounting structure of the novel outer rotor motor still has the following defects: the annular motor rotor on which the permanent magnet is attached needs to be wound with the enameled wire, the winding part has an edge angle of 90 degrees, and the enameled wire is bent at 90 degrees due to overlarge bending angle of the enameled wire during winding, so that an insulating layer of the enameled wire is easy to damage, and hidden danger of poor spot pressure resistance exists.

Disclosure of Invention

The utility model provides a motor rotor insulation groove frame and an ESC motor comprising the same, which solve the problem that in the prior art, the insulating layer of an enameled wire is easy to damage because the edge angle of the winding enameled wire on an annular motor rotor is 90 degrees.

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

the utility model discloses a motor rotor insulation slot frame, which comprises: the rotary disk body, protruding cell body and edge protruding piece, first wire through groove has been seted up to the rotary disk body, and the protruding cell body that forms of rotary disk body opposite side, second wire through groove is seted up to the protruding cell body, and first wire through groove and second wire through groove intercommunication, first wire through groove and second wire through groove supply the enameled wire to pass, form the winding face between two adjacent first wire through grooves, the winding face supplies the enameled wire winding, winding face position and deviate from protruding cell body one side, the winding face is the arc surface structure.

Preferably, the edge of one side of the rotary disk body is protruded to form an edge protruded block, and the edge protruded block limits the enamelled wire to move outside the disk body.

Preferably, the protruding groove body is of a V-shaped structure, two ends of the protruding groove body extend to form blocking walls, the blocking walls block enameled wires from running out of the second threading groove, a distance is reserved between the blocking walls and the end faces of the edge protruding blocks, the edge protruding blocks are clung to the end faces of the silicon steel sheets, and the side faces of the silicon steel sheets are clung to the blocking walls.

Preferably, the winding surface is tangent to the inner wall of the first threading groove through an intermediate guiding surface, and the intermediate guiding surface is of an arc structure.

Preferably, the end part of the blocking wall, which is close to the second wire penetrating groove, protrudes towards the direction away from the rotating disc body to form a convex part, and the silicon steel sheet is positioned between two adjacent convex parts.

The utility model also discloses an ESC motor, which comprises: silicon steel sheet, enameled wire and motor rotor insulation slot frame as above.

Compared with the prior art, the utility model has the following beneficial effects:

1) The first wire penetrating groove and the second wire penetrating groove are provided for the enameled wires to penetrate through, the first wire penetrating groove divides the rotary disc body into a plurality of fan blade structures, and the fan blade structures are used for the enameled wires to wind.

2) The winding surface is used for winding the enameled wire. After the enameled wire is penetrated out of the first wire penetrating groove, the enameled wire is wound on the winding surface, the situation that the enameled wire is bent is unavoidable, if the winding surface is of a flat structure, the enameled wire is damaged due to excessive bending, the whole motor rotor is possibly caused to turn-to-turn short circuit after the enameled wire is electrified, and then the insulation effect is guaranteed.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

Fig. 1 is a schematic structural view of an insulation slot frame of a motor rotor.

Fig. 2 is a schematic structural view of an insulation slot frame of a motor rotor.

Fig. 3 is a schematic diagram of a motor rotor insulation cradle installed within an ESC motor.

Reference numerals: the silicon steel sheet comprises a rotating disc body 1, a first wire penetrating groove 11, a winding surface 12, a middle guide surface 13, a protruding groove body 2, a second wire penetrating groove 21, an edge protruding block 3, a blocking wall 4, a protruding part 40 and a silicon steel sheet 5.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the present utility model more clear and easy to understand, the present utility model is further described below with reference to the accompanying drawings and the detailed description:

example 1:

as shown in fig. 1 to 3, the present embodiment discloses a motor rotor insulation slot frame, comprising: the rotary disk body 1, protruding cell body 2 and edge protruding piece 3, first wire through groove 11 has been seted up to the rotary disk body 1, the protruding cell body 2 that forms of rotary disk body 1 opposite side, second wire through groove 21 is seted up to the protruding cell body 2, first wire through groove 11 and second wire through groove 21 intercommunication, first wire through groove 11 and second wire through groove 21 supply the enameled wire to pass, form winding face 12 between two adjacent first wire through grooves 11, winding face 12 supplies the enameled wire winding, winding face 12 positions and deviate from protruding cell body 2 one side, winding face 12 is the arc surface structure.

The edge of one side of the rotary disc body 1 is protruded to form an edge protruded block 3, and the edge protruded block 3 limits the enamelled wire to move outside the disc body. By providing the edge projection 3, the end face of the edge projection 3 is used for contacting with the inner wall of the housing in the motor to guide the rotation of the whole motor rotor insulation slot frame.

The protruding groove body 2 is of a V-shaped structure, two ends of the protruding groove body 2 extend to form a blocking wall 4, the blocking wall 4 blocks enameled wires from running out of the second wire penetrating groove 21, a distance is reserved between the blocking wall 4 and the end face of the edge protruding block 3, the edge protruding block 3 is tightly attached to the end face of the silicon steel sheet 5, and the side face of the silicon steel sheet 5 is tightly attached to the blocking wall 4. 1) In this application with the setting of blade of silicon steel 5 in the outside, outside lock has the shell, and the shell inner wall can block blade of silicon steel 5 and whole motor rotor insulation cell frame and break away from, has improved blade of silicon steel 5 installation's stability. 2) The edge protruding block 3 not only has the function of guiding the motor rotor insulating groove frame to rotate, but also has the function of blocking the enameled wire from separating after winding, and a blocking wall 4 is formed at the protruding groove body 2, and the blocking wall 4 blocks the enameled wire from separating from the other side of the rotating disc body 1, so that the enameled wire after winding is ensured to have a stronger positioning blocking function.

The winding surface 12 is tangent to the inner wall of the first wire penetrating groove 11 through the middle guide surface 13, and the middle guide surface 13 is of an arc structure. The winding surface 12 and the inner wall of the first wire penetrating groove 11 are guaranteed to be connected smoothly, sharp hard angles are avoided being formed at the connecting positions, the enamelled wires are prevented from being broken by winding, and the insulation effect is further improved.

The end of the blocking wall 4 close to the second wire through groove 21 protrudes towards the direction away from the rotating disc body 1 to form a convex part 40, and the silicon steel sheet 5 is positioned between two adjacent convex parts 40. The silicon steel sheets 5 are arranged at the two blocking arms in a riveting mode and the like, the edge protruding blocks 3 are tightly attached to the end faces of the silicon steel sheets 5, the blocking arms are tightly attached to the side faces of the silicon steel sheets 5, the protruding parts 40 are used for positioning the silicon steel sheets 5 to be tightly attached to the two blocking arms, the phenomenon that the silicon steel sheets 5 are easy to fall off due to insufficient strength after bonding and installation in the rotating process is avoided, the protruding parts 40 have the effect of fully positioning the silicon steel sheets 5, and the stability of the silicon steel sheets 5 after installation is guaranteed.

Two motor rotor insulating groove frames are arranged in the ESC motor, the two motor rotor insulating groove frames are buckled and clamped with the silicon steel sheets 5, namely, the edge protruding blocks 3 of the two motor rotor insulating groove frames are clamped with the silicon steel sheets 5, and the silicon steel sheets 5 are fully positioned.

Example 2:

the embodiment also discloses an ESC motor, comprising: silicon steel sheet 5, enameled wire, and motor rotor insulation groove frame as described in embodiment 1.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims (6)

1. The insulating slot frame of motor rotor, its characterized in that includes: the rotary disk body (1), protruding cell body (2) and edge protruding piece (3), first wire through groove (11) have been seted up to rotary disk body (1), protruding formation protruding cell body (2) of rotary disk body (1) opposite side, second wire through groove (21) are seted up to protruding cell body (2), first wire through groove (11) and second wire through groove (21) intercommunication, first wire through groove (11) and second wire through groove (21) supply the enameled wire to pass, form winding face (12) between two adjacent first wire through grooves (11), winding face (12) supply the enameled wire winding, winding face (12) position and deviate from protruding cell body (2) one side, winding face (12) are the arc surface structure.

2. The insulation slot frame for the motor rotor according to claim 1, wherein an edge of one side of the rotary disk body (1) is protruded to form an edge protruded block (3), and the edge protruded block (3) limits the enamelled wire to move outside the disk body.

3. The insulation groove frame for the motor rotor according to claim 2, wherein the protruding groove body (2) is of a V-shaped structure, blocking walls (4) are formed by extending two ends of the protruding groove body (2), the blocking walls (4) block enameled wires from running out of the second wire penetrating groove (21), a distance is reserved between the blocking walls (4) and the end faces of the edge protruding blocks (3), the edge protruding blocks (3) are tightly attached to the end faces of the silicon steel sheets (5), and the side faces of the silicon steel sheets (5) are tightly attached to the blocking walls (4).

4. A motor rotor insulation slot frame according to claim 3, characterized in that the winding surface (12) is tangential to the inner wall of the first wire-passing slot (11) through an intermediate guiding surface (13), the intermediate guiding surface (13) being of circular arc construction.

5. The motor rotor insulation slot frame according to any one of claims 1 to 4, characterized in that the end of the blocking wall (4) close to the second wire penetrating slot (21) protrudes to a direction away from the rotating disc body (1) to form a protruding part (40), and a silicon steel sheet (5) is positioned between two adjacent protruding parts (40).

6. An ESC motor, comprising: silicon steel sheet (5), enameled wire, and motor rotor insulation slot frame according to any one of claims 1 to 5.