CN220985386U - Stator assembly of alternating current motor - Google Patents

Abstract

The utility model discloses an alternating current motor stator assembly, which comprises a machine base, wherein a stator core is arranged in the machine base, connecting teeth are fixed on the inner side of the stator core, stator windings are arranged on the outer sides of the connecting teeth, sound insulation plates are arranged on the inner sides of the stator core, sound absorption plates are fixed on the inner sides of the sound insulation plates, sound absorption holes are formed in the sound absorption plates, radiating ribs are fixed on the outer sides of the machine base, a junction box is fixed on one side of the machine base, and the sound absorption holes are uniformly distributed in the sound absorption plates. According to the utility model, the sound absorbing plate is arranged, so that noise can be generated when the rotor rotates in the stator core, the sound absorbing holes are formed in the inner sides of the sound absorbing plates, the sound absorbing holes can absorb the noise, and then the sound absorbing plates can block the noise, so that the outward transmission of the noise can be reduced, the purpose of noise reduction is achieved, and the four groups of sound absorbing plates are arranged, so that the noise reduction effect of the sound absorbing plates is improved.

Description

Stator assembly of alternating current motor

Technical Field

The utility model relates to the technical field of alternating current motors, in particular to an alternating current motor stator assembly.

Background

The AC motor is a machine for mutual conversion of mechanical energy and AC electric energy, and at present, the AC motor is the most commonly used motor, and can be divided into an AC generator, an AC motor and a synchronous adjuster, and due to the reversibility of the working state of the motor, the same motor can be used as a generator and a motor, a motor stator is an important component part of the motor, the motor stator consists of a stator iron core, a stator winding and a machine base, and the main function of the motor stator is to generate a rotating magnetic field and to operate in cooperation with a motor rotor.

In the actual use, the motor rotor can rotate in the motor stator, the stator generates a rotating magnetic field, the rotor is cut by magnetic lines of force in the rotating magnetic field to generate output current, noise can be generated in the rotor during operation, the machine base is generally thickened, the noise is transmitted outwards, and the overall heat dissipation performance can be reduced in the mode. Accordingly, an ac motor stator assembly has been proposed that addresses the problems noted in the background above.

Disclosure of utility model

First, the technical problem to be solved

The present utility model is directed to an ac motor stator assembly, which solves the above-mentioned problems.

(II) summary of the utility model

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides an alternating current motor stator module, includes the frame, the inside of frame is provided with stator core, stator core's inboard all is fixed with the connection tooth, and the externally mounted of connection tooth has stator winding, the acoustic celotex board is all installed to stator core's inboard, and the inboard of acoustic celotex board is fixed with the abatvoix, the inside of abatvoix all is provided with the sound absorbing hole, the outside of frame all is fixed with the heat dissipation muscle, one side of frame is fixed with the terminal box.

Preferably, the connecting teeth are provided with four groups, the four groups of connecting teeth are annularly distributed on the inner side of the stator core, the stator windings are provided with four groups, the four groups of stator windings are annularly distributed on the inner side of the stator core, and the connecting teeth and the stator windings are sleeved.

Preferably, the sound absorbing plate is annularly distributed on the inner side of the stator core, and the sound absorbing holes are uniformly distributed in the sound absorbing plate.

Preferably, the inside of frame all is fixed with the stationary blade, the internally mounted of stationary blade has positioning bolt, the front end of stator core inboard all is provided with the fixed orifices.

Preferably, the fixing piece is located at the front end of the stator core, and the fixing piece is distributed in an annular shape on the inner side of the machine base.

Preferably, the base is fixed on both sides of the bottom outside the base, the reinforcing sheet is fixed on the side edge of the base, the top end of the reinforcing sheet is fixedly connected with the outer side of the base, the mounting hole is formed in the base, the rubber cushion is arranged at the bottom of the base, and the bayonet is fixed on the top end of the rubber cushion.

Preferably, the base is provided with two groups, and the two groups of bases are symmetrically distributed about the central line of the base.

Preferably, the outer diameter of the bayonet is smaller than the inner diameter of the mounting hole, and the bayonet is matched with the mounting hole.

(III) beneficial effects

The stator assembly of the alternating current motor provided by the utility model has the advantages that: through being provided with the abatvoix, can produce the noise when the rotor rotates in stator core's inside, all be provided with the sound absorbing hole through the inboard of abatvoix, the sound absorbing hole can adsorb the noise, later blocks through the abatvoix, can reduce the outward transmission of noise, and then plays amortization and fall the purpose of making an uproar, and the abatvoix is provided with four groups, improves its amortization effect;

Through being provided with the stationary blade, when the installation, can place the inside of frame with stator core, later support stator core on the stationary blade, can pass the stationary blade with positioning bolt and install in the inside of fixed orifices, can lock the stationary blade through positioning bolt, and then can install stator core and frame, stability when improving the installation, it is more convenient simultaneously when dismantling the maintenance;

Through being provided with the rubber pad, can place the bottom of base with the rubber pad, later go into the inside of mounting hole with the bayonet socket card, pass the mounting hole with the mounting bolt and install the base, and then can wholly install the frame, can guarantee the tightness when installing through the rubber pad, the frame is more stable when using, improves the inside wearability of mounting hole simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

fig. 2 is a schematic perspective view of a stator core according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

Fig. 4 is a schematic perspective view of the acoustic panel of the present utility model.

Reference numerals in the drawings illustrate:

1. A base; 2. a heat dissipation rib; 3. a stator core; 4. a connecting tooth; 5. a sound insulation board; 6. a fixing piece; 7. a junction box; 8. a stator winding; 9. positioning bolts; 10. a base; 11. a mounting hole; 12. a reinforcing sheet; 13. a fixing hole; 14. a sound absorbing panel; 15. a sound absorbing hole; 16. a rubber cushion; 17. a bayonet.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

Embodiment one: referring to fig. 1-4, an embodiment of the present utility model is provided: the stator assembly of the alternating current motor comprises a machine base 1, wherein a stator core 3 is arranged in the machine base 1, connecting teeth 4 are fixed on the inner side of the stator core 3, a stator winding 8 is arranged outside the connecting teeth 4, sound insulation plates 5 are arranged on the inner side of the stator core 3, sound absorption plates 14 are fixed on the inner side of the sound insulation plates 5, sound absorption holes 15 are formed in the sound absorption plates 14, heat dissipation ribs 2 are fixed on the outer side of the machine base 1, a junction box 7 is fixed on one side of the machine base 1, the sound absorption plates 14 are distributed annularly on the inner side of the stator core 3, and the sound absorption holes 15 are uniformly distributed in the sound absorption plates 14;

Specifically, as shown in fig. 1, 2 and 4, when the rotor rotates in the stator core 3, noise is generated, sound-absorbing holes 15 are formed in the inner side of the sound-absorbing plate 14, the sound-absorbing holes 15 can absorb the noise, and then the sound-absorbing plate 5 is used for blocking the noise, so that the noise can be transmitted outwards, the purpose of noise reduction is achieved, four groups of sound-absorbing plates 14 are arranged, and the noise reduction effect is improved;

Embodiment two: the inner side of the machine base 1 is fixedly provided with fixing plates 6, positioning bolts 9 are arranged in the fixing plates 6, the front end of the inner side of the stator core 3 is provided with fixing holes 13, the fixing plates 6 are positioned at the front end of the stator core 3, and the fixing plates 6 are annularly distributed on the inner side of the machine base 1;

Specifically, as shown in fig. 1 and 2, during installation, the stator core 3 can be placed in the machine base 1, then the stator core 3 is propped against the fixing piece 6, the positioning bolt 9 can penetrate through the fixing piece 6 to be installed in the fixing hole 13, the fixing piece 6 can be locked through the positioning bolt 9, and then the stator core 3 and the machine base 1 can be installed, so that the stability during installation is improved, and meanwhile, the disassembly and maintenance are more convenient;

Embodiment III: the two sides of the bottom end of the outer side of the machine base 1 are respectively fixed with a base 10, the side edges of the bases 10 are fixedly provided with reinforcing sheets 12, the top ends of the reinforcing sheets 12 are fixedly connected with the outer side of the machine base 1, the inside of the bases 10 is provided with mounting holes 11, the bottom end of the bases 10 is provided with a rubber cushion 16, the top ends of the rubber cushion 16 are fixedly provided with bayonets 17, the bases 10 are provided with two groups, the two groups of bases 10 are symmetrically distributed about the central line of the machine base 1, the outer diameter of each bayonet 17 is smaller than the inner diameter of each mounting hole 11, and the bayonets 17 are matched with the mounting holes 11;

Specifically, as shown in fig. 1 and 3, the rubber pad 16 is placed at the bottom of the base 10, then the bayonet 17 is clamped into the mounting hole 11, the mounting bolt passes through the mounting hole 11 to mount the base 10, and then the whole base 1 can be mounted, the tightness during mounting can be ensured through the rubber pad 16, the base 1 is more stable during use, and meanwhile, the wear resistance of the inside of the mounting hole 11 is improved.

Working principle: when the stator iron core 3 is placed in the machine base 1, the stator iron core 3 is abutted against the fixing piece 6, the positioning bolt 9 penetrates through the fixing piece 6 to be installed in the fixing hole 13, the fixing piece 6 can be locked through the positioning bolt 9, the stator iron core 3 and the machine base 1 can be installed, the rubber gasket 16 is placed at the bottom of the base 10, the bayonet 17 is clamped into the installation hole 11, the installation bolt penetrates through the installation hole 11 to install the base 10, the machine base 1 can be installed integrally, noise can be generated when the rotor rotates in the stator iron core 3, the sound absorbing holes 15 are formed in the inner side of the sound absorbing plate 14, the noise can be absorbed through the sound absorbing holes 15, and then the noise is blocked through the sound insulating plate 5, so that the noise is transmitted outwards, the purpose of noise reduction is achieved, and the use noise reduction work of the stator assembly of the alternating current motor is completed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Claims (8)

1. An ac motor stator assembly comprising a housing (1), characterized in that: the inside of frame (1) is provided with stator core (3), the inboard of stator core (3) all is fixed with connecting tooth (4), and the externally mounted of connecting tooth (4) has stator winding (8), acoustic celotex board (5) are all installed to the inboard of stator core (3), and the inboard of acoustic celotex board (5) is fixed with abatvoix board (14), the inside of abatvoix board (14) all is provided with sound absorbing hole (15), the outside of frame (1) all is fixed with heat dissipation muscle (2), one side of frame (1) is fixed with terminal box (7).

2. An ac motor stator assembly as set forth in claim 1 wherein: the stator winding structure is characterized in that four groups of connecting teeth (4) are arranged, the four groups of connecting teeth (4) are annularly distributed on the inner side of the stator core (3), four groups of stator windings (8) are annularly distributed on the inner side of the stator core (3), and the connecting teeth (4) and the stator windings (8) are sleeved.

3. An ac motor stator assembly as set forth in claim 1 wherein: the sound absorbing plate (14) is annularly distributed on the inner side of the stator core (3), and the sound absorbing holes (15) are uniformly distributed in the sound absorbing plate (14).

4. An ac motor stator assembly as set forth in claim 1 wherein: the stator is characterized in that fixing pieces (6) are fixed on the inner side of the base (1), positioning bolts (9) are installed in the fixing pieces (6), and fixing holes (13) are formed in the front end of the inner side of the stator core (3).

5. An ac motor stator assembly as set forth in claim 4 wherein: the stator (6) is positioned at the front end of the stator core (3), and the stator (6) is annularly distributed at the inner side of the machine base (1).

6. An ac motor stator assembly as set forth in claim 1 wherein: base (10) are fixed on both sides of the outer bottom end of frame (1), reinforcement piece (12) are fixed on the side of base (10), and the top of reinforcement piece (12) is fixedly connected with the outer side of frame (1), the inside of base (10) is provided with mounting hole (11), the bottom of base (10) is provided with rubber pad (16), bayonet socket (17) are fixed on the top of rubber pad (16).

7. An ac motor stator assembly as set forth in claim 6 wherein: the base (10) is provided with two groups, and the two groups of the base (10) are symmetrically distributed relative to the central line of the base (1).

8. An ac motor stator assembly as set forth in claim 6 wherein: the outer diameter of the bayonet (17) is smaller than the inner diameter of the mounting hole (11), and the bayonet (17) is matched with the mounting hole (11).