CN219576781U - Low-noise motor and washing machine with same - Google Patents
Low-noise motor and washing machine with same Download PDFInfo
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- CN219576781U CN219576781U CN202320733716.7U CN202320733716U CN219576781U CN 219576781 U CN219576781 U CN 219576781U CN 202320733716 U CN202320733716 U CN 202320733716U CN 219576781 U CN219576781 U CN 219576781U
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- assembly
- stator
- end cover
- stator assembly
- low noise
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Motor Or Generator Frames (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model discloses a low noise motor and washing machine with the motor, comprising: the shell of the stator assembly is an injection molding piece; and the end cover assembly is arranged on the stator assembly and is an injection molding piece. According to the low-noise motor and the washing machine with the motor, provided by the utility model, the shell of the stator assembly of the motor and the end cover assembly are manufactured and formed through an injection molding process, so that the noise with strong ear irritation can be weakened, the overall noise of the motor during operation can be effectively reduced, and the motor is more suitable for the demands of current consumers.
Description
Technical Field
The utility model relates to the technical field of mechanical equipment, in particular to a low-noise motor. In addition, the utility model also relates to a washing machine comprising the motor.
Background
With the development of economy and science, the household washing machine becomes a necessary basic electric appliance at home. The drum washing machine is an ideal choice in washing appliances because of its advantage of small damage to laundry. There is also a higher demand for the performance of washing machines. Currently, low noise drum washing machines are generally used in BLDC (Brushless Direct Current Motor, i.e., brushless dc motor), and most of motor products have a metallic structure. The end covers are all made of light metal, and the iron cores are exposed. When the motor runs, the noise generated by the motor is easy to diffuse. When the washing machine is used, the noise is high, the harsh sound is easy to make, and uncomfortable feeling is given to people.
In summary, how to reduce the noise of the washing machine is a problem to be solved by those skilled in the art.
Disclosure of Invention
Therefore, the utility model aims to provide a low-noise motor, wherein the shell of the stator assembly and the end cover assembly of the motor are injection molding parts, so that the overall noise of the motor during operation can be effectively reduced.
Another object of the present utility model is to provide a washing machine including the above motor.
In order to achieve the above object, the present utility model provides the following technical solutions:
a low noise electric machine comprising:
the shell of the stator assembly is an injection molding piece;
and the end cover assembly is arranged on the stator assembly and is an injection molding piece.
Preferably, the stator assembly comprises a winding stator and a first embedded end cover, wherein the winding stator is fixedly connected with the first embedded end cover, and a first through hole is formed in the first embedded end cover.
Preferably, the winding stator comprises a stator core, a framework, windings and leads, wherein a plurality of first grooves are formed in the periphery of the stator core, and at least two blind holes are formed in the stator assembly.
Preferably, at least two bosses are arranged on the periphery of the stator assembly, and second grooves are arranged on the end cover assembly, wherein the number of the second grooves is the same as that of the bosses.
Preferably, the end cap assembly comprises a second inlay end cap provided with a second through hole.
Preferably, the periphery of stator module is equipped with a plurality of first erection columns, is equipped with the third through-hole that runs through first erection column along the axis direction of first erection column on the first erection column, and the periphery of end cover subassembly is equipped with a plurality of second erection columns, and the quantity of second erection column is the same with the quantity of first erection column, is equipped with the fourth through-hole that runs through the second erection column along the axis of second erection column on the second erection column, and the fourth through-hole corresponds the setting with the third through-hole.
Preferably, a fixing nut is arranged in the second mounting column, and the fixing nut and the fourth through hole are coaxially arranged so that the stator assembly and the end cover assembly are in threaded connection.
Preferably, the stator assembly is provided with a first wire groove, the end cover assembly is provided with a second wire groove, the first wire groove and the second wire groove are correspondingly arranged, electric corrosion wires are arranged in the first wire groove and the second wire groove, and two ends of each electric corrosion wire are respectively fixed in the first through hole and the second through hole.
Preferably, the motor further comprises a rotor assembly, wherein the stator assembly is provided with a through hole penetrating through the side wall of the stator assembly, the through hole is formed in the central axis of the stator assembly, and the rotor assembly is arranged in the through hole.
A washing machine comprising a low noise motor, the low noise motor being any one of the low noise motors described above.
According to the low-noise motor provided by the utility model, the shell of the stator assembly and the end cover assembly of the motor are manufactured and formed through an injection molding process, so that the noise with strong ear irritation can be weakened, the overall noise of the motor during operation can be effectively reduced, and the motor is more suitable for the demands of consumers.
In further scheme, be equipped with first erection column and the second erection column that quantity is the same at the periphery of stator module and the periphery of end cover subassembly to make the correlation between stator module and the end cover subassembly read only can keep at better level, guarantee the stable in structure of motor during operation, reduced the noise to a certain extent.
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 to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a low noise motor according to the present utility model;
fig. 2 is a schematic structural diagram of a wound stator according to the present utility model;
FIG. 3 is a top view of a first wound stator according to the present utility model;
FIG. 4 is a top view of a second wound stator according to the present utility model;
FIG. 5 is a schematic view of a first blind via structure according to the present utility model;
FIG. 6 is a schematic view of a second blind hole according to the present utility model;
FIG. 7 is a schematic view of a third blind hole according to the present utility model;
fig. 8 is a rear view of a low noise motor provided by the present utility model;
FIG. 9 is a side view of a low noise motor provided by the present utility model;
FIG. 10 is a schematic view of a first end cap insert according to the present utility model;
FIG. 11 is a side cross-sectional view of a low noise motor provided by the present utility model;
fig. 12 is a front view of the low noise motor provided by the present utility model.
In fig. 1 to 12, reference numerals include:
1 is a stator assembly, 11 is a winding stator, 111 is a stator core, 1111 is a first groove, 112 is a framework, 113 is a winding, 114 is a lead, 12 is a first embedded end cover, 121 is a first through hole, 13 is a blind hole, 131 is a groove structure, 132 is a tail fin, 14 is a boss, 15 is a first mounting post, 16 is a third through hole, 17 is a first wire slot, and,
2 is an end cover component, 21 is a second embedded end cover, 211 is a second through hole, 22 is a second groove, 23 is a second mounting column, 24 is a fourth through hole, 25 is a fixing nut, 26 is a second wire slot,
3 is a rotor assembly,
And 4 is an electric etched line.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The core of the utility model is to provide a low noise motor which is low in noise during operation.
Another core of the present utility model is to provide a washing machine including the above motor.
Referring to fig. 1 to 12, the present utility model provides a low noise motor, comprising: the stator assembly 1 and the end cover assembly 2 are arranged in a mold, and the shell of the stator assembly 1 is an injection molding piece; the end cover assembly 2 is arranged on the stator assembly 1, and the end cover assembly 2 is an injection molding piece.
Specifically, the shell of the stator assembly 1 and the end cover assembly 2 are injection molding pieces, noise generated by the stator assembly 1 and the end cover assembly 2 which are manufactured by injection molding of the motor in the working state is small, and the ear irritation of the noise generated by the injection molding pieces in the collision process in the working state is low, so that the motor is more acceptable.
Optionally, the shell of the stator assembly 1 and the end cover assembly 2 are made of BMC (Bulk Molding Compound) molding compound.
On the basis of the above embodiment, the stator assembly 1 includes the winding stator 11 and the first embedded end cover 12, the winding stator 11 is fixedly connected with the first embedded end cover 12, and the first embedded end cover 12 is provided with the first through hole 121.
Specifically, the stator assembly 1 includes an annular winding stator 11 and a first embedded end cover 12, where the first embedded end cover 12 is fixedly connected with the winding stator 11, so that no relative movement is generated between the winding stator 11 and the first embedded end cover 12, and noise is avoided.
Alternatively, the winding stator 11 and the first embedded end cover 12 may be fixedly connected by injection molding, and the winding stator 11 and the first embedded end cover 12 are formed into a whole by injection molding of a molding compound.
On the basis of the above embodiment, the wound stator 11 includes a stator core 111, a frame 112, a winding 113 and a lead 114, where a plurality of first grooves 1111 are formed on the outer periphery of the stator core 111, and at least two blind holes 13 are formed on the stator assembly 1.
Specifically, the winding stator 11 includes a skeleton 112 and a stator core 111 sleeved on the periphery of the skeleton 112, a plurality of first grooves 1111 are formed in the periphery of the stator core 111, the shape of the blind holes 13 includes a groove structure 131 and a tail fin 132, the radius of the groove structure 131 is smaller than that of the first groove 1111, two blind holes 13 are formed in the stator assembly 1, the tail fin 132 and the groove structure 131 are combined, the blind holes 13 can be guaranteed to be perpendicular to the end face of the stator assembly 1, the precision of fixing the stator core 111 in the circumferential direction in the injection molding process is improved, and the position of the stator assembly 1 can be guaranteed to be relatively determined in the injection molding process.
Alternatively, the backbone 112 may be an insulating backbone.
Alternatively, the number of the first grooves 1111 may be the same as the number of the windings 113, and the first grooves 1111 are disposed corresponding to the windings 113.
Alternatively, the number of the first grooves 1111 may be half of the number of the windings 113, in which case the first grooves 1111 are spaced apart from the windings 113.
Alternatively, the tail fin 132 may be triangular with rounded corners, rectangular with rounded corners, trapezoidal with rounded corners, or the like.
On the basis of the above embodiment, at least two bosses 14 are provided on the outer periphery of the stator assembly 1, and the end cover assembly 2 is provided with second grooves 22, and the number of the second grooves 22 is the same as the number of the bosses 14.
Specifically, at least two bosses 14 are arranged on the periphery of the stator assembly 1, the bosses 14 are uniformly distributed on the periphery of the stator assembly 1, a plurality of second grooves 22 are formed in the end cover assembly 2, the number of the second grooves 22 is the same as that of the bosses 14, and the relative positions of the stator assembly 1 and the end cover assembly 2 are fixed through the bosses 14 and the second grooves 22, so that the relative position of the motor after the assembly is completed is kept at a higher level, the stator assembly 1 and the end cover assembly 2 can be prevented from generating relative displacement, and noise caused by collision is avoided.
Alternatively, the boss 14 may be triangular with rounded corners, rectangular with rounded corners, trapezoidal with rounded corners, or the like.
Alternatively, the second recess 22 may be triangular with rounded corners, rectangular with rounded corners, trapezoidal with rounded corners, or the like.
On the basis of the above embodiment, the end cap assembly 2 includes a second insert end cap 21, and the second insert end cap 21 is provided with a second through hole 211.
Specifically, the second through hole 211 is formed in the second insert end cap 21, and the second through hole 211 is formed in the outer periphery of the second insert end cap 21, so that components for improving stability or reducing induced potential can be mounted on the second insert end cap 21 through the second through hole 211.
On the basis of the above embodiment, the outer periphery of the stator assembly 1 is provided with a plurality of first mounting posts 15, the first mounting posts 15 are provided with third through holes 16 penetrating through the first mounting posts 15 along the axial direction of the first mounting posts 15, the outer periphery of the end cover assembly 2 is provided with a plurality of second mounting posts 23, the number of the second mounting posts 23 is the same as that of the first mounting posts 15, the second mounting posts 23 are provided with fourth through holes 24 penetrating through the second mounting posts 23 along the axial direction of the second mounting posts 23, and the fourth through holes 24 are correspondingly arranged with the third through holes 16.
Specifically, be provided with first erection column 15 on stator module 1's periphery, first erection column 15 is the column, the center pin of first erection column 15 and the center pin parallel arrangement of stator module 1, the periphery of end cover subassembly 2 is equipped with the second erection column 23 that quantity is the same with first erection column 15, second erection column 23 is the column and with the center pin parallel arrangement of end cover subassembly 2, first erection column 15 and second erection column 23 correspond the setting, the center pin of first erection column 15 is equipped with third through-hole 16, second erection column 23 is equipped with fourth through-hole 24, fourth through-hole 24 and third through-hole 16 can be used together, in order to realize stator module 1 and end cover subassembly 2's fixed connection, through a plurality of third through-holes 16 and fourth through-hole 24, can guarantee the reliability of connection, prevent to produce relative displacement between stator module 1 and the end cover subassembly 2, the production of noise has been avoided.
On the basis of the embodiment, the second mounting post 23 is provided with a fixing nut 25, and the fixing nut 25 is coaxially arranged with the fourth through hole 24 so as to enable the stator assembly 1 to be in threaded connection with the end cover assembly 2.
Specifically, by arranging the fixing nut 25 in the second mounting assembly 23 and arranging the screw in the third through hole 16, the fixing nut 25 and the fourth through hole 24 are coaxially arranged, detachable connection between the stator assembly 1 and the end cover assembly 2 can be realized through the screw, and the fastening degree between the stator assembly 1 and the end cover assembly 2 can be regulated and controlled by screwing the screw.
On the basis of the above embodiment, the stator assembly 1 is provided with the first wire groove 17, the end cover assembly 2 is provided with the second wire groove 26, the first wire groove 17 and the second wire groove 26 are correspondingly arranged, the first wire groove 17 and the second wire groove 26 are internally provided with the electric corrosion wire 4, and two ends of the electric corrosion wire 4 are respectively fixed on the first through hole 121 and the second through hole 211.
Specifically, a first groove 17 is formed in the stator assembly 1, a second groove 26 with the same shape is formed in the end cover assembly 2, the first groove 17 and the second groove 26 are correspondingly formed in the stator assembly 1 and the end cover assembly 2, the first groove 17 and the second groove 26 are communicated after the stator assembly 1 and the end cover assembly 2 are fixedly connected, the electric corrosion wire 4 is arranged in the first groove 17 and the second groove 26, two end portions of the electric corrosion wire 4 are fixed to the first through hole 121 and the second through hole 211, and induction potential of the motor can be effectively eliminated through the electric corrosion wire 4, so that the service life of the motor is prolonged.
Alternatively, the electrolytic etching line 4 may be fixed to the first through hole 121 and the second through hole 211 by screw connection.
On the basis of the embodiment, the rotor assembly 3 is further included, the stator assembly 1 is provided with a through hole penetrating through the side wall of the stator assembly 1, the through hole is formed in the central axis of the stator assembly 1, and the rotor assembly 3 is formed in the through hole.
Specifically, be equipped with the perforation on stator module 1's central axis, perforation department is equipped with rotor subassembly 3, realizes the output of motor through rotor subassembly 3 rotation, and the in-process noise is low and no sharp noise, more is fit for the house and uses.
In addition to the low-noise motor, the present utility model also provides a washing machine including the low-noise motor disclosed in the foregoing embodiment, and the structure of other parts of the washing machine is referred to in the prior art, and is not repeated herein.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The low noise motor and the washing machine having the same provided by the utility model are described in detail. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (10)
1. A low noise electric motor comprising:
the stator assembly (1), the shell of the stator assembly (1) is an injection molding piece;
the end cover assembly (2) is arranged on the stator assembly (1), and the end cover assembly (2) is an injection molding piece.
2. The low noise motor according to claim 1, wherein the stator assembly (1) comprises a winding stator (11) and a first embedded end cover (12), the winding stator (11) is fixedly connected with the first embedded end cover (12), and a first through hole (121) is formed in the first embedded end cover (12).
3. The low noise motor according to claim 2, wherein the wound stator (11) comprises a stator core (111), a skeleton (112), windings (113) and leads (114), a plurality of first grooves (1111) are formed in the periphery of the stator core (111), and at least two blind holes (13) are formed in the stator assembly (1).
4. A low noise electric machine according to claim 3, characterized in that the outer circumference of the stator assembly (1) is provided with at least two bosses (14), the end cap assembly (2) is provided with second grooves (22), the number of the second grooves (22) being the same as the number of the bosses (14).
5. The low noise electric machine according to claim 4, characterized in that the end cap assembly (2) comprises a second inlay end cap (21), the second inlay end cap (21) being provided with a second through hole (211).
6. The low noise motor according to claim 5, wherein a plurality of first mounting posts (15) are provided on the outer periphery of the stator assembly (1), third through holes (16) penetrating through the first mounting posts (15) along the axial direction of the first mounting posts (15) are provided on the first mounting posts (15), a plurality of second mounting posts (23) are provided on the outer periphery of the end cover assembly (2), the number of the second mounting posts (23) is the same as the number of the first mounting posts (15), fourth through holes (24) penetrating through the second mounting posts (23) along the axial direction of the second mounting posts (23) are provided on the second mounting posts (23), and the fourth through holes (24) are correspondingly provided with the third through holes (16).
7. The low noise electric machine according to claim 6, characterized in that a fixing nut (25) is provided in the second mounting post (23), the fixing nut (25) being coaxially arranged with the fourth through hole (24) to screw the stator assembly (1) with the end cap assembly (2).
8. The low noise motor according to claim 7, wherein a first wire slot (17) is provided on the stator assembly (1), a second wire slot (26) is provided on the end cover assembly (2), the first wire slot (17) and the second wire slot (26) are correspondingly provided, an electric corrosion wire (4) is provided in the first wire slot (17) and the second wire slot (26), and two ends of the electric corrosion wire (4) are respectively fixed on the first through hole (121) and the second through hole (211).
9. The low noise electric machine according to any of the claims 1 to 8, further comprising a rotor assembly (3), said stator assembly (1) being provided with perforations through a side wall of said stator assembly (1), said perforations being provided at a central axis of said stator assembly (1), said rotor assembly (3) being provided at said perforations.
10. A washing machine comprising a low noise motor as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320733716.7U CN219576781U (en) | 2023-03-31 | 2023-03-31 | Low-noise motor and washing machine with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320733716.7U CN219576781U (en) | 2023-03-31 | 2023-03-31 | Low-noise motor and washing machine with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219576781U true CN219576781U (en) | 2023-08-22 |
Family
ID=87646252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320733716.7U Active CN219576781U (en) | 2023-03-31 | 2023-03-31 | Low-noise motor and washing machine with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219576781U (en) |
-
2023
- 2023-03-31 CN CN202320733716.7U patent/CN219576781U/en active Active
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