CN217036855U

CN217036855U - Anti-loosening stator core sleeve

Info

Publication number: CN217036855U
Application number: CN202220851420.0U
Authority: CN
Inventors: 黄华; 薛登才; 钟大志; 廖濡之; 罗荣福; 罗盛欢; 薛良海
Original assignee: Huzhou Rongdeng Intelligent Technology Co ltd
Current assignee: Huzhou Rongdeng Intelligent Technology Co ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-07-22
Anticipated expiration: 2032-04-14

Abstract

The utility model discloses an anti-loosening stator core sleeve, wherein a stator core is arranged inside an iron core sheath, and the iron core sheath is assembled on the inner side wall of a motor; the method comprises the following steps: the inner embedded grooves are formed in 3 groups on the inner side wall of the iron core sheath at equal angles, and strip-shaped cutting grooves are formed in the outer side wall of the iron core sheath at equal angles; the front end and the rear end of the outer part of the iron core sheath are symmetrically provided with 2 groups of annular grooves, and the inner parts of the annular grooves are communicated with the inner parts of the strip-shaped cutting grooves; the locking mechanism is sleeved outside the iron core sheath; and the limiting groove penetrates through the inner side wall of the iron core sheath. This locking stator core cover that moves adopts neotype structural design for this stator core cover can be comparatively stable with stator core and motor assembly, and be provided with the spacing locking structure of stator core, its stator core pine that can avoid internal assembly takes off the dislocation, improves the stability that stator core suit was used.

Description

Anti-loosening stator core sleeve

Technical Field

The utility model relates to the technical field of stator core sleeves, in particular to an anti-loosening stator core sleeve.

Background

Stator core is the component of the stator winding of winding injecing in the motor magnetic circuit, and it also is the important component in the stator, behind the inside winding stator winding of iron core, when the motor moves, stator core receives the combined action of mechanical force, thermal stress and electromagnetic force, and the sheath structure is established to the outside cover of stator core, and stator core cover can be injecing the position that stator assembly set up in the motor, and partial stator core cover outside is cylindric structure, and it still has certain problem when assembling the use in the motor:

cylindric stator core cover assembly sets up when inside the motor, and its surface is limited with motor inside wall contact assembly stability to the stator core cover is installed in stator core's outside, and it does not set up limit structure with inboard stator core, and stator core uses for a long time also easily with stator core cover production not hard up phenomenon such as dislocation.

Therefore, a stator core sleeve which is anti-loosening and aims at the problems needs to be designed.

Disclosure of Invention

The utility model aims to provide a looseness-preventing stator core sleeve, which aims to solve the problems that when the cylindrical stator core sleeve is arranged in a motor in an assembling way, the surface of the cylindrical stator core sleeve is limited in contact assembly stability with the inner side wall of the motor, the stator core sleeve is arranged outside a stator core, a limit structure is not arranged between the cylindrical stator core sleeve and the inner side stator core, and the stator core is easy to loosen and dislocate with the stator core sleeve after being used for a long time.

In order to achieve the purpose, the utility model provides the following technical scheme: a stator core sleeve preventing looseness comprises an iron core sheath, an embedded groove, a strip-shaped cutting groove, an annular groove, a locking mechanism, a metal locking ring, a limiting lug, a frosting surface, a lower mounting sheet, an upper mounting sheet and a limiting groove, wherein the stator core is arranged inside the iron core sheath, and the iron core sheath is assembled on the inner side wall of a motor;

a locking stator core cover, further comprising:

the inner embedded groove is provided with 3 groups of equal-angle inner side walls of the iron core sheath, and the outer side walls of the iron core sheath are provided with strip-shaped cutting grooves at equal angles;

the front end and the rear end of the outer part of the iron core sheath are symmetrically provided with 2 groups of annular grooves, and the inner parts of the annular grooves are communicated with the inner parts of the strip-shaped cutting grooves;

the locking mechanism is sleeved outside the iron core sheath, and 2 groups of the locking mechanism are arranged on the outer side wall of the iron core sheath;

and the limiting groove penetrates through the inner side wall of the iron core sheath.

Preferably, the strip-shaped cutting slots are distributed on the outer side of the iron core sheath at equal intervals to increase the outer assembling friction degree of the iron core sheath, and the length of the strip-shaped cutting slots is the same as that of the iron core sheath.

Preferably, 3 groups of limiting grooves are formed in the iron core sheath at equal angles, and 3 groups of limiting grooves and 3 groups of embedded grooves are distributed in a staggered mode.

Preferably, the locking mechanism is composed of a metal locking ring, a limiting convex block, a frosting surface, a lower mounting plate and an upper mounting plate, the metal locking ring is sleeved outside the iron core sheath, the limiting convex block is fixedly mounted on the inner side wall of the metal locking ring, the frosting surface is distributed on the outer side wall of the metal locking ring, the lower mounting plate is fixedly mounted at the middle position of the lower end of the metal locking ring, and the upper mounting plate is symmetrically mounted at the end face positions of the left side and the right side of the upper end of the metal locking ring.

Preferably, the metal locking ring is assembled with the outer part of the iron core sheath in a clamping manner through an annular groove, the thickness of the metal locking ring is larger than the depth of the annular groove, and the upper end and the lower end of the metal locking ring are assembled with the inner side wall of the motor in a limiting manner through an upper mounting piece and a lower mounting piece respectively.

Preferably, the limit lugs are arranged in 3 groups on the inner side wall of the metal locking ring at equal angles, the inner side of the metal locking ring is clamped and assembled with the limit groove through the limit lugs, the thickness of the limit lugs is larger than the depth of the limit groove, and the side surfaces of the limit lugs are of an arc-shaped structure.

Compared with the prior art, the utility model has the beneficial effects that: this locking stator core cover that moves adopts neotype structural design for this stator core cover is provided with interior external assembly and is injectd the structure, can improve the stability of centering core cover and motor and stator core assembly, and its concrete content is as follows:

1. the anti-loosening stator iron core sleeve is provided with a stator iron core sleeve and motor assembling limiting structure, a bar-shaped cutting groove structure is formed in the outer side of an iron core sheath at an equal angle, the bar-shaped cutting groove can increase the friction degree of the external assembly of the iron core sheath and preliminarily limit the position of the iron core sheath assembled in a motor, meanwhile, a locking mechanism is installed on the outer side wall of the iron core sheath in an embedded mode, a frosting surface is arranged on the outer side of a metal locking ring and can further limit the assembling position of the iron core sheath, meanwhile, the upper mounting piece and the lower mounting piece correspond to a connecting piece in the motor, and the stator iron core sleeve can be controlled to be stably assembled on the inner side wall of the motor by using bolts;

2. the anti-loosening stator core sleeve is provided with a stator core sleeve and a stator core limiting assembly structure, the stator core is installed inside the stator core sleeve in a penetrating mode, the locking mechanism is assembled outside the core sheath in a penetrating mode, the metal locking ring pushes the limiting lug to penetrate through and be clamped inside the limiting groove, the arc surface of the side face of the limiting lug is attached and extruded to the outer side position of the stator core, the stator core sleeve can be clamped and limited to a certain extent, the stator core sleeve and the stator core are prevented from being separated from each other and loosened, and stability of the positioning core sleeve assembled outside the stator core is improved.

Drawings

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

FIG. 2 is a schematic view of a vertical partial structure of the strip-shaped cutting grooves according to the present invention;

FIG. 3 is a schematic view of the locking mechanism of the present invention;

FIG. 4 is a schematic diagram of a front view of the core sheath according to the present invention;

FIG. 5 is a schematic cross-sectional view of a limiting groove according to the present invention.

In the figure: 1. an iron core sheath; 2. embedding a groove; 3. strip-shaped grooving; 4. an annular groove; 5. a locking mechanism; 51. a metal locking ring; 52. a limiting bump; 53. sanding; 54. a lower mounting plate; 55. mounting a sheet; 6. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a stator core sleeve preventing looseness is characterized in that a stator core is arranged inside an iron core sheath 1, and the iron core sheath 1 is assembled on the inner side wall of a motor;

a locking stator core sleeve comprising:

the inner embedded grooves 2 are formed in 3 groups on the inner side wall of the iron core sheath 1 at equal angles, and the outer side wall of the iron core sheath 1 is formed with strip-shaped cutting grooves 3 at equal angles;

the annular grooves 4 are symmetrically formed in the front end and the rear end of the outer part of the iron core sheath 1 in 2 groups, and the inner parts of the annular grooves 4 are communicated with the inner parts of the strip-shaped cutting grooves 3;

the locking mechanisms 5 are sleeved outside the

iron core sheath

1, and 2 groups of the locking mechanisms 5 are arranged on the outer side wall of the iron core sheath 1;

and the limiting groove 6 penetrates through the inner side wall of the iron core sheath 1.

In the embodiment, 3 groups of limiting grooves 6 are arranged in the iron core sheath 1 at equal angles, and 3 groups of limiting

grooves

6 and 3 groups of embedded grooves 2 are distributed in a staggered manner; the inner side wall of the metal locking ring 51 is provided with 3 groups of limiting lugs 52 with equal angles, the inner side of the metal locking ring 51 is clamped and assembled with the limiting groove 6 through the limiting lugs 52, the thickness of the limiting lugs 52 is larger than the depth of the limiting groove 6, and the side surfaces of the limiting lugs 52 are of arc-shaped structures;

the stator iron core is assembled inside the iron core sheath 1 in a penetrating mode, then the metal locking ring 51 is controlled to be assembled in the outer side wall of the iron core sheath 1 in a clamping mode through the limiting groove 6, the metal locking ring 51 pushes the limiting lug 52 to be installed inside the limiting groove 6 in a penetrating mode, the thickness of the limiting lug 52 is larger than the depth of the limiting groove 6, after the metal locking ring 51 is controlled to be assembled, the three groups of limiting lugs 52 are extruded on the outer side face of the stator iron core at equal intervals, the stator iron core is enabled to be assembled inside the iron core sheath 1 in a stable mode, and the stator iron core can be prevented from being loosened and dislocated with the iron core sheath 1 after being used for a long time.

The strip-shaped cutting grooves 3 are distributed on the outer side of the iron core sheath 1 at equal intervals to increase the assembly friction degree of the outer side of the iron core sheath, and the length of the strip-shaped cutting grooves 3 is the same as that of the iron core sheath 1; the locking mechanism 5 is composed of a metal locking ring 51, a limiting convex block 52, a frosting surface 53, a lower mounting plate 54 and an upper mounting plate 55, the metal locking ring 51 is sleeved outside the iron core sheath 1, the limiting convex block 52 is fixedly mounted on the inner side wall of the metal locking ring 51, the frosting surface 53 is distributed on the outer side wall of the metal locking ring 51, the lower mounting plate 54 is fixedly mounted at the middle position of the lower end of the metal locking ring 51, and the upper mounting plates 55 are symmetrically mounted at the end surface positions of the left side and the right side of the upper end of the metal locking ring 51; the metal locking ring 51 is clamped and assembled with the outer part of the iron core sheath 1 through the annular groove 4, the thickness of the metal locking ring 51 is larger than the depth of the annular groove 4, and the upper end and the lower end of the metal locking ring 51 are respectively in limit assembly with the inner side wall of the motor through an upper mounting piece 55 and a lower mounting piece 54;

after the metal locking ring 51 is clamped and assembled inside the annular groove 4, two groups of upper installation sheets 55 at the upper end of the metal locking ring are controlled to be mutually attached and locked, then the upper installation sheets 55 and the lower installation sheets 54 are fixedly arranged on an inner side wall assembly plane of the motor by using a key, the stability of stator iron core sleeve assembly application is improved, meanwhile, the strip-shaped cutting grooves 3 are equidistantly formed in the outer side of the iron core sheath 1, the strip-shaped cutting grooves 3 can improve the friction degree of the outer part of the iron core sheath 1 and improve the stability of the stator iron core sleeve assembly application, meanwhile, the outer side of the metal locking ring 51 is provided with a frosted surface 53, the frosted surface 53 is attached to the inner side of the motor, and the stability of the stator iron core sleeve assembly in the motor can be further improved.

The working principle is as follows: when the device is used, according to the structure shown in fig. 1-5, the stator core is installed inside the core sheath 1 in a penetrating way, the metal locking ring 51 is controlled to be clamped and assembled outside the core sheath 1 through the limiting groove 6, the metal locking ring 51 pushes the limiting lug 52 to be clamped and assembled inside the limiting groove 6 in a penetrating way, so that the limiting lug 52 is extruded and limited on the outer side wall of the stator core, the stability of the stator core in assembling and arranging inside the core sheath 1 can be improved, the upper mounting sheets 55 on both sides of the upper end of the metal locking ring 51 are controlled to be mutually attached, the upper mounting sheets 55 and the lower mounting sheets 54 are mutually fixed with the mounting sheets on the inner side wall of the motor by using the keys, the core sheath 1 is stably arranged in the motor, and the stability of the core sheath 1 in assembling and arranging in the motor can be further improved under the friction action of the strip-shaped cutting grooves 3 and the frosted surfaces 53, keeping it stable for use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A stator core sleeve capable of preventing looseness is characterized in that a stator core is arranged inside an iron core sheath (1), and the iron core sheath (1) is assembled on the inner side wall of a motor;

it is characterized by comprising the following steps:

the iron core comprises an inner embedded groove (2), wherein 3 groups of inner side walls of an iron core sheath (1) are arranged at equal angles, and a strip-shaped cutting groove (3) is arranged at the outer side wall of the iron core sheath (1) at equal angles;

the iron core sheath comprises an iron core sheath (1), and is characterized in that the iron core sheath comprises annular grooves (4), wherein 2 groups of the annular grooves are symmetrically formed in the front end and the rear end of the outer part of the iron core sheath (1), and the inner parts of the annular grooves (4) are communicated with the inner parts of strip-shaped cutting grooves (3);

the locking mechanism (5) is sleeved outside the iron core sheath (1), and 2 groups of the locking mechanism (5) are arranged on the outer side wall of the iron core sheath (1);

and the limiting groove (6) penetrates through the inner side wall of the iron core sheath (1).

2. A locking stator core sleeve according to claim 1, wherein: the bar-shaped cutting grooves (3) are distributed on the outer side of the iron core sheath (1) in an equidistant mode, the outer side assembling friction degree of the bar-shaped cutting grooves is increased, and the length of the bar-shaped cutting grooves (3) is the same as that of the iron core sheath (1).

3. The anti-loosening stator core sleeve according to claim 1, wherein: the limiting grooves (6) are equiangularly provided with 3 groups in the iron core sheath (1), and the 3 groups of limiting grooves (6) and the 3 groups of embedded grooves (2) are distributed in a staggered manner.

4. A locking stator core sleeve according to claim 1, wherein: the locking mechanism (5) is composed of a metal locking ring (51), a limiting convex block (52), a frosted surface (53), a lower mounting piece (54) and an upper mounting piece (55), the metal locking ring (51) is sleeved outside the iron core sheath (1), the limiting convex block (52) is fixedly mounted on the inner side wall of the metal locking ring (51), the frosted surface (53) is distributed on the outer side wall of the metal locking ring (51), the lower mounting piece (54) is fixedly mounted in the middle position of the lower end of the metal locking ring (51), and the upper mounting piece (55) is symmetrically mounted on the end surface positions of the left side and the right side of the upper end of the metal locking ring (51).

5. The anti-loosening stator core sleeve according to claim 4, wherein: the metal locking ring (51) is clamped and assembled with the outer part of the iron core sheath (1) through the annular groove (4), the thickness of the metal locking ring (51) is larger than the depth of the annular groove (4), and the upper end and the lower end of the metal locking ring (51) are in limiting assembly with the inner side wall of the motor through an upper mounting piece (55) and a lower mounting piece (54) respectively.

6. The loose proof stator core sleeve of claim 4, wherein: the limiting convex blocks (52) are arranged in 3 groups on the inner side wall of the metal locking ring (51) at equal angles, the inner side of the metal locking ring (51) is clamped and assembled with the limiting groove (6) through the limiting convex blocks (52), the thickness of the limiting convex blocks (52) is larger than the depth of the limiting groove (6), and the side surfaces of the limiting convex blocks (52) are of an arc-shaped structure.