CN210404853U

CN210404853U - Motor stator

Info

Publication number: CN210404853U
Application number: CN201921578210.3U
Authority: CN
Inventors: 陈剑; 宦铭
Original assignee: Reid Servo Technology Suzhou Co Ltd
Current assignee: Reid Servo Technology Suzhou Co Ltd
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-04-24
Anticipated expiration: 2029-09-20

Abstract

The utility model discloses a motor stator, including shell, stator core, stator slot, insulating slip sheet, enameled wire winding, gomphosis strip piece, gomphosis groove, insulating heat-conducting layer, U type inserted bar, external screw thread, first through-hole, second through-hole and hexagon nut. The utility model has reasonable structure, can limit the stator core after installation by arranging a plurality of embedded bar blocks and embedded grooves, simultaneously increases the contact area between the shell and the stator core, and fills an insulating heat-conducting layer between the shell and the stator core for insulation, and simultaneously improves the heat-conducting effect, thereby improving the integral heat dissipation; make shell and stator core carry out certain bonding through insulating heat-conducting layer and connect, be provided with a plurality of simultaneously and connect fixed knot to further improved the stability of connecting, improved fixed effect, can avoid appearing breaking away from the phenomenon between shell and the stator core.

Description

Motor stator

Technical Field

The utility model relates to a stator specifically is a motor stator, belongs to motor stator application technical field.

Background

The motor stator is the stationary part of the motor; the stator consists of a stator core, a stator winding and a base; the main function of the stator is to generate a rotating magnetic field, and the main function of the rotor is to be cut by magnetic lines of force in the rotating magnetic field to generate (output) current.

The existing motor stator is connected with the shell, the heat conduction effect between the existing motor stator and the shell is possibly poor, so that the heat dissipation effect of the whole structure can be influenced, a fixed mounting structure is possibly lacked between the shell and the stator, and the fixation between the shell and the stator is possibly unstable. Accordingly, a motor stator is proposed to address the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide a motor stator for solving the above problems.

The utility model discloses a technical scheme realizes above-mentioned mesh, a motor stator, including shell and stator core, a plurality of gomphosis grooves are evenly opened to the outer lane of stator core, the inner circle of shell evenly is provided with a plurality of gomphosis pieces, and gomphosis piece and gomphosis groove gomphosis are connected, be provided with insulating heat-conducting layer between shell and the stator core;

a plurality of stator slots are uniformly formed in the inner ring of the stator core, and a plurality of connecting and fixing structures are arranged between the shell and the stator core.

Preferably, connect fixed knot to construct and constitute by U type inserted bar, first through-hole, second through-hole and hexagon nut, first through-hole is seted up on stator core's length direction, the second through-hole is seted up on the length direction of shell, U type inserted bar is connected with first through-hole and second through-hole cooperation, the external screw thread has all been opened at the both ends of U type inserted bar, and U type inserted bar passes through external screw thread and hexagon nut threaded connection.

Preferably, insulation lining paper is fixedly laid inside the stator slot.

Preferably, the embedded bar block is of an isosceles trapezoid structure, and the length of the embedded bar block is the same as that of the shell.

Preferably, the first through hole and the second through hole have the same geometric structure, and both the first through hole and the second through hole have a round hole type structure.

Preferably, an enameled wire winding is installed inside the stator slot.

The utility model has the advantages that:

1. the motor stator can limit the position of the stator core after installation by arranging the plurality of embedded bar blocks and the embedded grooves, simultaneously increases the contact area between the shell and the stator core, and fills the insulating heat-conducting layer between the shell and the stator core for insulation, and simultaneously improves the heat-conducting effect, thereby improving the integral heat dissipation;

2. this kind of motor stator makes shell and stator core carry out certain bonding through insulating heat-conducting layer and connects, is provided with a plurality of simultaneously and connects fixed knot to further improved the stability of connecting, improved fixed effect, can avoid appearing breaking away from the phenomenon between shell and the stator core.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is a back view of the overall structure of the present invention;

fig. 3 is a schematic view of the U-shaped insertion rod structure of the present invention.

In the figure: 1. the motor stator comprises a shell, 2, a stator core, 3, stator slots, 4, insulation lining paper, 5, an enameled wire winding, 6, an embedded bar, 7, an embedded slot, 8, an insulation heat conduction layer, 9, a U-shaped insertion rod, 901, external threads, 10, a first through hole, 11, a second through hole, 12 and a hexagon nut.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but 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.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-3, a motor stator includes a housing 1 and a stator core 2, wherein a plurality of engaging grooves 7 are uniformly formed in an outer ring of the stator core 2, a plurality of engaging strips 6 are uniformly formed in an inner ring of the housing 1, the engaging strips 6 are engaged with the engaging grooves 7, and an insulating heat-conducting layer 8 is disposed between the housing 1 and the stator core 2;

a plurality of stator slots 3 are uniformly formed in the inner ring of the stator core 2, and a plurality of connecting and fixing structures are arranged between the shell 1 and the stator core 2.

The connecting and fixing structure comprises a U-shaped insertion rod 9, a first through hole 10, a second through hole 11 and a hexagon nut 12, wherein the first through hole 10 is formed in the length direction of the stator core 2, the second through hole 11 is formed in the length direction of the shell 1, the U-shaped insertion rod 9 is connected with the first through hole 10 and the second through hole 11 in a matched mode, external threads 901 are formed in two ends of the U-shaped insertion rod 9, the U-shaped insertion rod 9 is in threaded connection with the hexagon nut 12 through the external threads 901, the shell 1 is connected with the stator core 2 through the U-shaped insertion rod 9, two ends of the U-shaped insertion rod 9 are limited through the hexagon nut 12, and the hexagon nut 12 compresses the shell 1 and the stator core 2; insulating lining paper 4 is fixedly laid in the stator slot 3, and the insulating lining paper 4 plays an insulating role in packaging; the embedded bar 6 is of an isosceles trapezoid structure, the length of the embedded bar 6 is the same as that of the shell 1, and the embedded bar 6 is used for being embedded with the embedded groove 7, so that the contact area is increased; the geometric structures of the first through hole 10 and the second through hole 11 are the same, the first through hole 10 and the second through hole 11 are both in round hole type structures, and the first through hole 10 and the second through hole 11 are used for the U-shaped inserted rod 9 to pass through and connect and fix the shell 1 and the stator core 2; the stator slot 3 is internally provided with an enameled wire winding 5, the stator slot 3 provides a mounting position for the enameled wire winding 5, and a magnetic field can be generated by electrifying.

When the utility model is used, the insulating heat-conducting layer 8 is arranged between the stator core 2 and the shell 1, the two layers are bonded and connected, and the insulating effect is achieved, the contact area is increased through the heat-conducting performance of the insulating heat-conducting layer 8 and the design of the embedded bar block 6 and the embedded groove 7, so that the heat dissipation effect is improved, heat can be rapidly transmitted to the shell 1, and the interior of the motor is protected;

when installing between shell 1 and stator core 2, U type inserted bar 9 passes first through-hole 10 and second through-hole 11, carries out compressing tightly of U type inserted bar 9, screws up hexagon nut 12 in external screw thread 901 department after that, carries out screwing up of hexagon nut 12, accomplishes the installation, carries out the fixed between shell 1 and the stator core 2, has improved fixed effect.

It is well within the skill of those in the art to implement, without undue experimentation, the present invention does not relate to software and process improvements, as related to circuits and electronic components and modules.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. An electric motor stator characterized by: the motor stator comprises a shell (1) and a stator core (2), wherein a plurality of embedding grooves (7) are uniformly formed in the outer ring of the stator core (2), a plurality of embedding strip blocks (6) are uniformly arranged in the inner ring of the shell (1), the embedding strip blocks (6) are embedded and connected with the embedding grooves (7), and an insulating heat conduction layer (8) is arranged between the shell (1) and the stator core (2);

a plurality of stator slots (3) are uniformly formed in the inner ring of the stator core (2), and a plurality of connecting and fixing structures are arranged between the shell (1) and the stator core (2).

2. An electric motor stator according to claim 1, wherein: connect fixed knot to construct by U type inserted bar (9), first through-hole (10), second through-hole (11) and hexagon nut (12) and constitute, set up on the length direction of stator core (2) in first through-hole (10), set up on the length direction of shell (1) in second through-hole (11), U type inserted bar (9) are connected with first through-hole (10) and second through-hole (11) cooperation, external screw thread (901) have all been opened at the both ends of U type inserted bar (9), and U type inserted bar (9) pass through external screw thread (901) and hexagon nut (12) threaded connection.

3. An electric motor stator according to claim 1, wherein: and insulating lining paper (4) is fixedly laid in the stator slot (3).

4. An electric motor stator according to claim 1, wherein: the embedded bar block (6) is of an isosceles trapezoid structure, and the length of the embedded bar block (6) is the same as that of the shell (1).

5. An electric motor stator according to claim 2, wherein: the geometric structures of the first through hole (10) and the second through hole (11) are the same, and the first through hole (10) and the second through hole (11) are both round hole type structures.

6. An electric motor stator according to claim 1, wherein: and an enameled wire winding (5) is arranged in the stator slot (3).