CN112531946A - Motor and washing machine - Google Patents
Motor and washing machine Download PDFInfo
- Publication number
- CN112531946A CN112531946A CN201910877571.6A CN201910877571A CN112531946A CN 112531946 A CN112531946 A CN 112531946A CN 201910877571 A CN201910877571 A CN 201910877571A CN 112531946 A CN112531946 A CN 112531946A
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- plastic
- stator assembly
- coated
- end cover
- assembly
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention provides a motor and a washing machine, wherein the motor comprises: the plastic-coated stator assembly comprises a stator and an end cover main body which is integrally formed with the stator in a plastic-coated mode; and the mounting foot assembly is connected with the plastic-coated stator assembly. This application is moulded the shaping with driving motor's end cover main part and stator package together, forms the integral type structure, can fill the stator around the space of the confession winding needle motion that leaves in the tooth's socket behind the wire for the enameled wire does not have the drunkenness space and is fixed completely, therefore is favorable to reducing the vibration and the noise of motor. Meanwhile, the mounting foot assembly of the motor is connected with the plastic-coated stator assembly, so that the normal assembly of the motor is ensured.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a motor and a washing machine comprising the same.
Background
At present, a conventional motor generally comprises a stator assembly, a front end cover and a rear end cover, wherein the stator assembly, the front end cover and the rear end cover are respectively formed and then assembled together. The space for the movement of the winding needle can be reserved in the tooth groove after the stator assembly winds the wire, the enameled wire cannot be completely fixed, and the enameled wire has a play phenomenon when the motor runs, so that the noise and the rotation of the motor are high.
Disclosure of Invention
In order to solve at least one of the above technical problems, an object of the present invention is to provide a motor.
Another object of the present invention is to provide a washing machine including the motor.
In order to achieve the above object, a first aspect of the present invention provides a motor, including: the plastic-coated stator assembly comprises a stator and an end cover main body which is integrally formed with the stator in a plastic-coated mode; and the mounting foot component is connected with the plastic-coated stator assembly.
According to the motor provided by the technical scheme of the first aspect of the invention, the end cover main body of the transmission motor and the stator are molded together in a plastic coating mode to form an integrated structure, and the space left in the tooth slot after the stator is wound with wires and used for the movement of the winding needle can be filled, so that the enameled wires are completely fixed without a play space, and the vibration and the noise of the motor are favorably reduced. Meanwhile, the mounting foot assembly of the motor is connected with the plastic-coated stator assembly, so that the normal assembly of the motor is ensured.
In addition, the motor in the above technical solution provided by the present invention may further have the following additional technical features:
in the above technical scheme, the end cover main body is a front end cover main body, the front end cover main body is connected with the axial front end of the stator, the plastic coated stator assembly further comprises a rear end cover, and the rear end cover is connected with the axial rear end of the stator.
The end cover main part is the front end cover main part, and the front end cover main part links to each other with the axial front end of stator (the one end that the motor shaft stretches out promptly), through moulding with the integrative package of stator, is favorable to reducing the processing degree of difficulty. Correspondingly, the motor also comprises a rear end cover, the rear end cover is connected with the axial rear end of the stator, and the rear part of the motor is sealed to ensure the integrity of the motor. The rear end cover is independently formed and then assembled on the plastic-coated stator assembly, so that the structure of the plastic-coated stator assembly can be simplified, the processing difficulty is reduced, and the maintenance and the replacement of the interior of the motor through the disassembly of the rear end cover in the later use process are facilitated. Of course, the rear end cover can be integrally formed with the stator in a plastic coating mode, or the front end cover and the rear end cover are integrally formed with the stator in a plastic coating mode.
In the technical scheme, the rear end cover is in interference fit with the plastic-coated stator assembly.
The rear end cover is in interference fit with the plastic-coated stator assembly, the assembly is convenient, and the connection reliability of the rear end cover and the plastic-coated stator assembly is improved. Optionally, the rear end cover is provided with a columnar protrusion, the plastic-coated stator assembly is provided with a columnar space, and the columnar protrusion is embedded into the columnar space and is in interference fit with the columnar space.
In the technical scheme, the rear end cover is connected with the plastic-coated stator assembly through a fastener.
The rear end cover is connected with the plastic-coated stator assembly through a fastener, so that the connecting strength is high, and the fixation is firm. Alternatively, the fasteners are bolts, screws, rivets, or the like.
In any one of the above technical solutions, the mounting leg assembly is detachably connected to the plastic-coated stator assembly.
The installation foot subassembly can be dismantled with the package and be connected, compares in prior art installation foot integrated into one piece scheme on the end cover, is convenient for according to user's demand quick replacement installation foot, and quick response customer requires, gains market first opportunity. Simultaneously, because the installation foot subassembly is only a part of traditional end cover, does not contain the end cover body promptly for the structure of whole installation foot is less, under the same process conditions, can increase die cavity quantity, thereby improves single mode output quantity, reduces manufacturing cost, and then improves product competitiveness.
In the technical scheme, the mounting foot component is detachably connected with the plastic-coated stator assembly through a fastener.
The installation foot subassembly passes through the fastener with the package stator assembly of moulding and is connected, and joint strength is high, and is fixed comparatively firm. Alternatively, the fasteners are bolts, screws, rivets, or the like.
In any one of the above technical solutions, the mounting leg assembly includes a front mounting leg and a rear mounting leg, the front mounting leg and the rear mounting leg are arranged in the front and rear direction along the axis direction of the plastic-coated stator assembly and connected with the plastic-coated stator assembly.
The installation foot subassembly includes preceding installation foot and back installation foot, and preceding installation foot and back installation foot are arranged around the axis direction of package stator assembly, are favorable to increasing the quantity of the connection position when motor assembly and the scope of distribution to improve the stability and the reliability of motor. Wherein, the front mounting foot is connected with the front end cover main body of the plastic-coated stator assembly.
In the technical scheme, the front mounting leg comprises a plurality of front support legs which are respectively connected with the plastic-coated stator assembly, wherein the plurality of front support legs are connected through a front connecting belt to form an integrated structure, or the plurality of front support legs are mutually independent to form a split structure; and/or, back installation foot include a plurality of respectively with the package moulds the back stabilizer blade that the stator assembly links to each other, wherein, a plurality of back stabilizer blade links to each other through the back connecting band and forms the integral type structure, or a plurality of back stabilizer blade mutually independent forms split type structure.
Preceding installation foot includes a plurality of preceding stabilizer blades, and every preceding stabilizer blade all links to each other with the front end of package stator assembly, guarantees that the front end of package stator assembly has a plurality of installation positions to further improve the stability and the reliability of motor. The front support legs can be connected together through the front connecting belt to form an integrated structure, so that the position precision of the front mounting legs is improved, the adverse effect caused by improper assembly is reduced, and the assembly efficiency is improved; meanwhile, the strength of the front mounting leg can be enhanced by the front connecting belt, and the use reliability of the product is further improved. Or the front support legs are mutually independent to form a split structure, so that the assembly flexibility is better; the number of the front supporting feet can be adjusted conveniently according to the requirements of customers.
Similarly, the rear mounting leg comprises a plurality of rear support legs, each rear support leg is connected with the rear end of the plastic-coated stator assembly, the rear end of the plastic-coated stator assembly is provided with a plurality of mounting positions, and therefore stability and reliability of the motor are further improved. The plurality of rear support legs can be connected together through the rear connecting belt to form an integrated structure, so that the position precision of the rear mounting legs is improved, the adverse effect caused by improper assembly is reduced, and the assembly efficiency is improved; meanwhile, the strength of the rear mounting leg can be enhanced by the rear connecting belt, and the use reliability of the product is further improved. Or the plurality of rear support legs are mutually independent to form a split structure, so that the assembly flexibility is better; the number of the rear supporting legs can be adjusted conveniently according to the requirements of customers.
In the technical scheme, the front mounting foot, the package plastic stator assembly and the rear mounting foot are respectively provided with a first connecting hole, a second connecting hole and a third connecting hole which correspond to each other, and a bolt sequentially penetrates through the first connecting hole, the second connecting hole and the third connecting hole, so that the front mounting foot and the rear mounting foot are fixedly connected with the package plastic stator assembly.
Preceding installation foot, package mould stator assembly, back installation foot are equipped with first connecting hole, second connecting hole and third connecting hole respectively, and first connecting hole, second connecting hole and third connecting hole are corresponding, and extend along the axis direction of package mould stator assembly, and during the assembly, the bolt passes three connecting hole in proper order, then is fixed with the nut, can make preceding installation foot, back installation foot, package mould stator assembly three and realize fastening connection. This facilitates reducing the number of fasteners, reducing product costs, and improving assembly efficiency. The bolt can be inserted from the first connecting hole or the third connecting hole without being limited in the inserting direction.
In the technical scheme, the local clamp of the rear mounting foot is arranged between the plastic coated stator assembly and the rear end cover of the motor, the rear end cover is provided with a fourth connecting hole, and the bolt sequentially penetrates through the first connecting hole, the second connecting hole, the third connecting hole and the fourth connecting hole, so that the front mounting foot, the plastic coated stator assembly, the rear mounting foot and the rear end cover are fixedly connected.
The partial clamp of back installation foot is established between package stator assembly and the rear end cap, corresponds on the rear end cap and offers the fourth connecting hole, and then the bolt passes first connecting hole, second connecting hole, third connecting hole and fourth connecting hole in proper order, then is fixed with the nut, can realize preceding installation foot, back installation foot, package and mould the fastening connection of stator assembly and rear end cap four, therefore can further reduce fastener quantity, further reduce product cost to improve assembly efficiency. Wherein, the direction of bolt's insertion is unrestricted, can begin to insert by first connecting hole, also can begin to insert by fourth connecting hole.
In any of the above technical solutions, the mounting foot assembly is a plastic piece or a metal piece of a globoid mold.
The front mounting leg and the rear mounting leg may be made of Bulk Molding Compound (BMC), plastic, or metal, or may be made of other materials, and may be specifically selected according to needs. The BMC material has excellent electrical property, mechanical property, heat resistance and chemical corrosion resistance, is suitable for various molding processes, and can better meet the performance requirement of the mounting pin assembly; the processing technology of plastics and metal is more mature, can satisfy the performance demand of installation foot subassembly better.
In any one of the above technical solutions, the plastic-coated stator assembly further includes a bearing cap, and the bearing cap is located inside the plastic-coated stator assembly.
The plastic-coated stator assembly further comprises a bearing cover, and the bearing cover is embedded in the plastic-coated stator assembly and used for installing a rotor bearing and ensuring the stability and reliability of the rotating shaft.
In any one of the above technical solutions, the plastic-coated stator assembly is provided with a positioning surface adapted to the mounting leg assembly, and the mounting leg assembly is provided with an assembling surface adapted to the plastic-coated stator assembly.
The plastic-coated stator assembly is provided with a positioning surface, the mounting foot component is correspondingly provided with an assembling surface, and in the assembling process, the positioning surface is matched with the assembling surface, so that a good positioning effect can be achieved, and the assembling efficiency is improved.
In the technical scheme, the number of the positioning surfaces is multiple, and the positioning surfaces are connected in a turning way to form the positioning part; the number of the assembly surfaces is multiple, the assembly surfaces are connected in a turning mode to form a matching portion matched with the positioning portion, and the positioning portion is matched with the matching portion in a concave-convex mode.
A plurality of locating surface turns link to each other and form location portion, and a plurality of assembly surface turns link to each other and form cooperation portion, and location portion and the unsmooth cooperation of cooperation portion (for example one is the constant head tank, and another is the location arch), can restrict the degree of freedom of a plurality of directions of installation foot subassembly to prevent that installation foot subassembly from taking place to rock, the condition such as aversion, further improve the location effect. Optionally, the front end of the plastic-coated stator assembly is provided with a plurality of positioning surfaces adapted to a plurality of front support legs of the front mounting leg, which are marked as front positioning surfaces, the front positioning surfaces form front positioning grooves, the plurality of front support legs of the front mounting leg are respectively provided with assembling surfaces adapted to the front positioning surfaces, which are marked as front assembling surfaces, and the front assembling surfaces form front positioning protrusions; the rear portion of the plastic-coated stator assembly is provided with a plurality of positioning surfaces of rear support legs of the rear mounting legs in a matched mode, the positioning surfaces are recorded as rear positioning surfaces, rear positioning grooves are formed in the rear positioning surfaces, the rear support legs of the rear mounting legs are respectively provided with assembling surfaces matched with the rear positioning surfaces, the assembling surfaces are recorded as rear assembling surfaces, and rear assembling surfaces form rear positioning bulges.
An aspect of the second aspect of the present invention provides a washing machine, including: a body; and the motor according to any one of the first aspect of the invention, mounted in the machine body.
The washing machine provided by the technical scheme of the second aspect of the invention comprises the motor according to any one of the technologies of the first aspect, so that all the beneficial effects of any one of the above technical schemes are achieved, and details are not repeated herein.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic perspective view of an electric machine according to some embodiments of the present invention;
FIG. 2 is an exploded view of the motor of FIG. 1;
FIG. 3 is a schematic perspective view of the motor shown in FIG. 1 from another perspective;
FIG. 4 is an exploded view of the motor of FIG. 3;
FIG. 5 is a perspective view of a stator assembly according to some embodiments of the present invention;
FIG. 6 is a schematic perspective view of the plastic coated stator assembly of FIG. 5 from another perspective;
FIG. 7 is a schematic view of a half-section of the plastic coated stator assembly of FIG. 5;
FIG. 8 is a perspective view of a front mounting foot according to one embodiment of the present invention;
FIG. 9 is a schematic perspective view of the front mounting foot of FIG. 8 from another perspective;
FIG. 10 is a perspective view of a front mounting foot according to another embodiment of the present invention;
FIG. 11 is a schematic perspective view of the front mounting foot of FIG. 10 from another perspective;
FIG. 12 is a perspective view of a rear mounting foot in accordance with one embodiment of the present invention;
FIG. 13 is a schematic perspective view of the rear mounting foot of FIG. 12 from another perspective;
FIG. 14 is a perspective view of a rear mounting foot in accordance with another embodiment of the present invention;
fig. 15 is a perspective view of the rear mounting foot of fig. 14 from another perspective.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 15 is:
1 plastic-coated stator assembly, 11 front end cover main bodies, 12 stators, 13 bearing covers, 14 second connecting holes, 151 front positioning surfaces, 152 rear positioning surfaces, 161 front positioning grooves, 162 rear positioning grooves, 2 front mounting feet, 21 front supporting feet, 22 front connecting belts, 23 first connecting holes, 24 front mounting surfaces, 25 front positioning protrusions, 3 rear mounting feet, 31 rear supporting feet, 32 rear connecting belts, 33 third connecting holes, 34 rear mounting surfaces, 35 rear positioning protrusions, 4 rear end covers, 41 fourth connecting holes, 42 columnar protrusions, 5 bolts and 6 nuts.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
A motor and a washing machine according to some embodiments of the present invention will be described with reference to fig. 1 to 15.
Embodiments of the first aspect, in particular the electric machine, are first described.
Example one
An electric machine comprising: a plastic-coated stator assembly 1 and a mounting leg component.
Specifically, the overmolded stator assembly 1 includes a stator 12 and an end cap body that is integrally overmolded with the stator 12, as shown in fig. 1 and 2.
The mounting leg assembly is connected to the overmolded stator assembly 1 as shown in fig. 3 and 4.
According to the motor provided by the embodiment of the first aspect of the invention, the end cover main body of the transmission motor and the stator 12 are molded together in a plastic coating mode to form an integrated structure, and the space left in the tooth slot after the stator 12 is wound with wires and used for the movement of the winding needle can be filled, so that the enameled wires are completely fixed without a play space, and the vibration and the noise of the motor are reduced. Meanwhile, the mounting foot component of the motor is connected with the plastic-coated stator assembly 1, so that the normal assembly of the motor is ensured.
The end cover main body is a front end cover main body 11, as shown in fig. 1, the front end cover main body 11 is connected with the axial front end of the stator 12, the plastic coated stator assembly 1 further comprises a rear end cover 4 (as shown in fig. 1 and fig. 2), and the rear end cover 4 is connected with the axial rear end of the stator 12.
The end cover main body is a front end cover main body 11, the front end cover main body 11 is connected with the axial front end (namely one end of the motor shaft extending out) of the stator 12, and the front end cover main body and the stator 12 are integrally molded in a plastic coating mode, so that the processing difficulty is reduced. Correspondingly, the motor also comprises a rear end cover 4, the rear end cover 4 is connected with the axial rear end of the stator 12, and the rear part of the motor is sealed to ensure the integrity of the motor. With the independent shaping of rear end cap 4, then the assembly is moulded on the stator assembly 1 at the package, can simplify the structure of moulding stator assembly 1 at the package, reduces the processing degree of difficulty, also is convenient for overhaul and change the motor inside through dismantling rear end cap 4 in the later stage use simultaneously. Of course, the rear end cover 4 may be integrally molded with the stator 12, or both the front end cover and the rear end cover 4 may be integrally molded with the stator 12.
Further, the rear end cover 4 is in interference fit with the plastic-coated stator assembly 1.
The rear end cover 4 is in interference fit with the plastic-coated stator assembly 1, the assembly is convenient, and the improvement of the connection reliability of the rear end cover 4 and the plastic-coated stator assembly 1 is facilitated.
Optionally, the rear end cover 4 is provided with a columnar protrusion 42, as shown in fig. 2, the plastic-coated stator assembly 1 is provided with a columnar space, and the columnar protrusion 42 is embedded in the columnar space and is in interference fit with the columnar space.
Further, the rear end cap 4 is connected to the plastic-coated stator assembly 1 by fasteners, as shown in fig. 1.
The rear end cover 4 is connected with the plastic-coated stator assembly 1 through a fastener, so that the connection strength is high, and the fixation is firm.
Alternatively, the fasteners are bolts 5, screws, rivets, or the like.
Further, the mounting leg assembly is detachably connected to the plastic-coated stator assembly 1, as shown in fig. 3 and 4.
Installation foot subassembly and package are moulded stator assembly 1 and can be dismantled and be connected, compare in prior art installation foot integrated into one piece scheme on the end cover, be convenient for according to user's demand quick replacement installation foot, quick response customer requires, gains market first opportunity. Simultaneously, because the installation foot subassembly is only a part of traditional end cover, does not contain the end cover body promptly for the structure of whole installation foot is less, under the same process conditions, can increase die cavity quantity, thereby improves single mode output quantity, reduces manufacturing cost, and then improves product competitiveness.
Specifically, the mounting leg assembly is detachably connected to the plastic-coated stator assembly 1 by a fastener, as shown in fig. 2.
The mounting foot component is connected with the plastic-coated stator assembly 1 through a fastener, so that the connection strength is high, and the fixation is firm. Alternatively, the fasteners are bolts 5, screws, rivets, or the like.
Further, the mounting leg assembly includes a front mounting leg 2 and a rear mounting leg 3, as shown in fig. 1 and 2, the front mounting leg 2 and the rear mounting leg 3 are arranged back and forth along the axial direction of the plastic coated stator assembly 1 and connected to the plastic coated stator assembly 1.
The installation foot subassembly includes preceding installation foot 2 and back installation foot 3, and preceding installation foot 2 and back installation foot 3 are arranged around the axis direction of plastic-coated stator assembly 1, are favorable to increasing the quantity of the connection position when the motor assembly and the scope of distribution to improve the stability and the reliability of motor. The front mounting leg 2 is specifically connected to a front end cover main body 11 of the plastic-coated stator assembly 1, as shown in fig. 1.
The front mounting leg 2 includes a plurality of front legs 21 respectively connected to the plastic coated stator assembly 1, wherein the plurality of front legs 21 are connected by a front connecting band 22 to form an integrated structure, as shown in fig. 10 and 11.
Further, the rear mounting leg 3 comprises a plurality of rear legs 31 respectively connected to the plastic-coated stator assembly 1, wherein the plurality of rear legs 31 are independent from each other to form a split structure, as shown in fig. 12 and 13.
Preceding installation foot 2 includes a plurality of preceding stabilizer blades 21, and every preceding stabilizer blade 21 all links to each other with the front end of package stator assembly 1, guarantees that the front end of package stator assembly 1 has a plurality of installation positions to further improve the stability and the reliability of motor. The plurality of front support legs 21 can be connected together through the front connecting band 22 to form an integrated structure, which is beneficial to improving the position precision of the front mounting leg 2 and reducing the adverse effect caused by improper assembly, thereby improving the assembly efficiency; meanwhile, the front connecting band 22 can also enhance the strength of the front mounting leg 2, thereby improving the use reliability of the product.
Similarly, the rear mounting leg 3 comprises a plurality of rear support legs 31, each rear support leg 31 is connected with the rear end of the plastic-coated stator assembly 1, and the rear end of the plastic-coated stator assembly 1 is provided with a plurality of mounting positions, so that the stability and the reliability of the motor are further improved. The plurality of rear support legs 31 are mutually independent to form a split structure, so that the assembly flexibility is better; it is also convenient to adjust the number of the rear legs 31 according to the customer's needs.
Optionally, the mounting foot assembly is a glob die plastic or metal piece.
The front mounting leg 2 and the rear mounting leg 3 may be made of Bulk Molding Compound (BMC), plastic, or metal, or may be made of other materials, and may be specifically selected as needed. The BMC material has excellent electrical property, mechanical property, heat resistance and chemical corrosion resistance, is suitable for various molding processes, and can better meet the performance requirement of the mounting pin assembly; the processing technology of plastics and metal is more mature, can satisfy the performance demand of installation foot subassembly better.
Further, the plastic-coated stator assembly 1 further includes a bearing cover 13, as shown in fig. 7, the bearing cover 13 is located inside the plastic-coated stator assembly 1.
The plastic-coated stator assembly 1 further comprises a bearing cover 13, and the bearing cover 13 is embedded inside the plastic-coated stator assembly 1 and used for installing a rotor bearing and ensuring the stability and reliability of the rotating shaft.
Example two
The difference from the first embodiment is that: the plurality of front legs 21 form a split structure independently of each other.
The front support legs 21 are mutually independent to form a split structure, so that the assembly flexibility is better; it is also convenient to adjust the number of front legs 21 according to customer needs.
EXAMPLE III
The difference from the first embodiment is that: a plurality of rear legs 31 are connected by a rear connecting band 32 to form an integrated structure, as shown in fig. 14 and 15.
The plurality of rear support legs 31 can be connected together through the rear connecting band 32 to form an integrated structure, which is beneficial to improving the position precision of the rear mounting leg 3 and reducing the adverse effect caused by improper assembly, thereby improving the assembly efficiency; meanwhile, the rear connecting band 32 can also enhance the strength of the rear mounting leg 3, thereby improving the use reliability of the product.
Further, as shown in fig. 2, the front mounting leg 2, the plastic-coated stator assembly 1, and the rear mounting leg 3 are respectively provided with a first connecting hole 23, a second connecting hole 14, and a third connecting hole 33, and the bolt 5 sequentially penetrates through the first connecting hole 23, the second connecting hole 14, and the third connecting hole 33, so that the front mounting leg 2 and the rear mounting leg 3 are fixedly connected to the plastic-coated stator assembly 1.
Preceding installation foot 2, package mould stator assembly 1, back installation foot 3 are equipped with first connecting hole 23, second connecting hole 14 and third connecting hole 33 respectively, and first connecting hole 23, second connecting hole 14 and third connecting hole 33 are corresponding, and extend along the axis direction of package mould stator assembly 1, and during the assembly, bolt 5 passes three connecting hole in proper order, then is fixed with nut 6, can make preceding installation foot 2, back installation foot 3, package mould 1 three of stator assembly and realize the fastening connection. This facilitates reducing the number of fasteners, reducing product costs, and improving assembly efficiency.
The insertion direction of the bolt 5 is not limited, and the insertion can be started from the first connection hole 23 or the third connection hole 33 (as shown in fig. 2).
Furthermore, as shown in fig. 2, a part of the rear mounting leg 3 is clamped between the plastic-coated stator assembly 1 and the rear end cover 4 of the motor, the rear end cover 4 is provided with a fourth connecting hole 41, and the bolt 5 sequentially penetrates through the first connecting hole 23, the second connecting hole 14, the third connecting hole 33 and the fourth connecting hole 41, so that the front mounting leg 2, the plastic-coated stator assembly 1, the rear mounting leg 3 and the rear end cover 4 are fastened and connected.
The rear mounting leg 3 is partially clamped between the plastic coated stator assembly 1 and the rear end cover 4, the rear end cover 4 is correspondingly provided with a fourth connecting hole 41, and the bolt 5 sequentially penetrates through the first connecting hole 23, the second connecting hole 14, the third connecting hole 33 and the fourth connecting hole 41 and is then fixed with the nut 6, so that the four fastening connections of the front mounting leg 2, the rear mounting leg 3, the plastic coated stator assembly 1 and the rear end cover 4 can be realized, the number of fasteners can be further reduced, the product cost can be further reduced, and the assembly efficiency can be improved, wherein the inserting direction of the bolt 5 is not limited, the bolt can be inserted from the first connecting hole 23 or from the fourth connecting hole 41 (as shown in fig. 2).
Optionally, the mounting foot assembly is a glob die plastic or metal piece.
The front mounting leg 2 and the rear mounting leg 3 may be made of Bulk Molding Compound (BMC), plastic, or metal, or may be made of other materials, and may be specifically selected as needed.
The BMC material has excellent electrical property, mechanical property, heat resistance and chemical corrosion resistance, is suitable for various molding processes, and can better meet the performance requirement of the mounting pin assembly; the processing technology of plastics and metal is more mature, can satisfy the performance demand of installation foot subassembly better.
Further, the plastic-coated stator assembly 1 further includes a bearing cover 13, as shown in fig. 7, the bearing cover 13 is located inside the plastic-coated stator assembly 1.
The plastic-coated stator assembly 1 further comprises a bearing cover 13, and the bearing cover 13 is embedded inside the plastic-coated stator assembly 1 and used for installing a rotor bearing and ensuring the stability and reliability of the rotating shaft.
Example four
The difference from any of the above embodiments is that: on the basis of any of the above embodiments, further, the plastic-coated stator assembly 1 is provided with a positioning surface adapted to the mounting leg assembly, as shown in fig. 6 and 7, and the mounting leg assembly is provided with an assembling surface adapted to the plastic-coated stator assembly 1, as shown in fig. 9, 11, 13 and 15.
The plastic-coated stator assembly 1 is provided with a positioning surface, the mounting foot component is correspondingly provided with an assembling surface, and in the assembling process, the positioning surface is matched with the assembling surface, so that a good positioning effect can be achieved, and the assembling efficiency is improved.
Furthermore, the number of the positioning surfaces is multiple, and the multiple positioning surfaces are connected in a turning way to form a positioning part; the quantity of assembly face is a plurality of, and a plurality of assembly face turns and links to each other, forms the cooperation portion with location portion adaptation, location portion and the unsmooth cooperation of cooperation portion.
A plurality of locating surface turns link to each other and form location portion, and a plurality of assembly surface turns link to each other and form cooperation portion, and location portion and the unsmooth cooperation of cooperation portion (for example one is the constant head tank, and another is the location arch), can restrict the degree of freedom of a plurality of directions of installation foot subassembly to prevent that installation foot subassembly from taking place to rock, the condition such as aversion, further improve the location effect.
Optionally, the front end of the plastic-coated stator assembly 1 is provided with a plurality of positioning surfaces adapted to the plurality of front support legs 21 of the front mounting leg 2, which are denoted as front positioning surfaces 151, the front positioning surfaces 151 form front positioning grooves 161, as shown in fig. 5, the plurality of front support legs 21 of the front mounting leg 2 are respectively provided with assembling surfaces adapted to the front positioning surfaces 151, which are denoted as front assembling surfaces 24, and the front assembling surfaces 24 form front positioning protrusions 25, as shown in fig. 9 and 11; the rear portion of the plastic-coated stator assembly 1 is provided with a plurality of positioning surfaces adapted to the rear support legs 31 of the rear mounting leg 3, which are denoted as rear positioning surfaces 152, the rear positioning surfaces 152 form rear positioning grooves 162, as shown in fig. 5 and 6, the rear support legs 31 of the rear mounting leg 3 are respectively provided with assembling surfaces adapted to the rear positioning surfaces 152, which are denoted as rear assembling surfaces 34, and the rear assembling surfaces 34 form rear positioning protrusions 35, as shown in fig. 13 and 15.
An embodiment of a second aspect of the present invention provides a washing machine comprising: a machine body and a motor as in any one of the embodiments of the first aspect. The motor is installed in the machine body.
The washing machine provided by the embodiment of the second aspect of the present invention includes any one of the motors in the first aspect, so that all the advantages of any one of the above embodiments are provided, and details are not repeated herein.
A specific example is presented below and compared with the prior art.
The traditional washing machine motor comprises a stator assembly, a front end cover, a rear end cover 4 and a bolt 5. After the stator assembly is wound, a space of a motion track of a winding needle is left in a tooth groove, and an enameled wire cannot be completely fixed, so that the noise and the vibration of the motor are large. The front end cover and the rear end cover 4 comprise mounting feet and an end cover body, so that the projection area of the end cover is large, the number of the die cavities is generally two or four when the end cover is produced, the number of single-die produced end covers is small, and the manufacturing cost is high.
The invention provides a washing machine motor which comprises a plastic-coated stator assembly 1, a front mounting leg 2, a rear mounting leg 3, a rear cover (namely a rear end cover 4) and a bolt 5, wherein the front mounting leg 2 and the rear mounting leg 3 are positioned at two end parts of the plastic-coated stator assembly 1, the rear mounting leg 3 is positioned between the plastic-coated stator assembly 1 and the rear cover, and the plastic-coated stator assembly 1, the front mounting leg 2, the rear mounting leg 3 and the rear cover are fixed together by the bolt 5.
Wherein the front mounting leg 2 is detachable.
Alternatively, the front mounting leg 2 is preferably an integral solution (as shown in fig. 10 and 11), or a separate solution (as shown in fig. 8 and 9) may be selected.
Alternatively, the front mounting leg 2 material may be a BMC material, a plastic material, or a metal material.
Further, the rear mounting foot 3 is detachable.
Alternatively, the rear mounting foot 3 is preferably an integral solution (as shown in fig. 14 and 15), or a separate solution (as shown in fig. 12 and 13) may be selected.
Alternatively, the rear mounting foot 3 material may be a BMC material, a plastic material or a metal material.
Specifically, the plastic-coated stator assembly 1 includes a front end cover main body 11 and a stator 12.
Further, the plastic-coated stator assembly 1 includes a BB cover (bearing cover 13).
Further, the plastic-coated stator assembly 1 includes a front mounting leg 2 mounting surface (i.e., a front positioning surface 151) and a rear mounting leg 3 mounting surface (i.e., a rear positioning surface 152).
Further, the front mounting foot 2 includes a front mounting foot mounting surface (i.e., front mounting surface 24) and the rear mounting foot 3 includes a rear mounting foot mounting surface (i.e., rear mounting surface 34).
Wherein, the front mounting leg assembly surface of the plastic-coated stator assembly 1 is assembled with the front mounting leg 2, and the rear mounting leg assembly surface of the plastic-coated stator assembly 1 is assembled with the rear mounting leg 3.
Further, the plastic-coated stator assembly 1 and the rear cover are in interference fit.
Therefore, the application has the following beneficial technical effects: the front end cover body and the stator 12 of the traditional motor are molded together to form the plastic coated stator assembly 1, which is beneficial to reducing the vibration and noise of the motor; the motor mounting pin is of a detachable structure, can be quickly replaced according to different requirements of customers, quickly responds to the requirements of the customers and wins the market first time; meanwhile, the installation pin is only a part of the traditional end cover, namely the end cover body is not included, so that the whole installation pin is small in structure, the number of die cavities can be increased under the same process condition, the manufacturing cost is reduced, and the product competitiveness is improved.
In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (15)
1. An electric machine, comprising:
the plastic-coated stator assembly comprises a stator and an end cover main body which is integrally formed with the stator in a plastic-coated mode;
and the mounting foot component is connected with the plastic-coated stator assembly.
2. The electric machine of claim 1,
the end cover main body is a front end cover main body, the front end cover main body is connected with the axial front end of the stator, the plastic coated stator assembly further comprises a rear end cover, and the rear end cover is connected with the axial rear end of the stator.
3. The electric machine of claim 2,
the rear end cover is in interference fit with the plastic-coated stator assembly.
4. The electric machine of claim 2,
the rear end cover is connected with the plastic-coated stator assembly through a fastener.
5. The electric machine according to any of claims 1 to 4,
the mounting foot component is detachably connected with the plastic-coated stator assembly.
6. The electric machine of claim 5,
the mounting foot component is detachably connected with the plastic-coated stator assembly through a fastener.
7. The electric machine according to any of claims 1 to 4,
the installation foot subassembly includes preceding installation foot and back installation foot, preceding installation foot reaches back installation foot follows the package is moulded stator assembly's axis direction and is arranged around and with the package is moulded stator assembly and is linked to each other.
8. The electric machine of claim 7,
the front mounting leg comprises a plurality of front support legs which are respectively connected with the plastic-coated stator assembly, wherein the front support legs are connected through a front connecting belt to form an integrated structure, or the front support legs are mutually independent to form a split structure; and/or
The back installation foot include a plurality of respectively with the package moulds the back stabilizer blade that the stator assembly links to each other, wherein, a plurality of back stabilizer blade links to each other through the back connecting band and forms integral type structure, perhaps a plurality of back stabilizer blade mutually independent forms split type structure.
9. The electric machine of claim 7,
preceding installation foot the stator assembly is moulded to the package back installation foot is equipped with corresponding first connecting hole, second connecting hole and third connecting hole respectively, and the bolt passes in proper order first connecting hole the second connecting hole reaches the third connecting hole makes preceding installation foot reach back installation foot with stator assembly fastening connection is moulded to the package.
10. The electric machine of claim 9,
the local clamp of back installation foot is established the package is moulded stator assembly with between the rear end cap of motor, be equipped with the fourth connecting hole on the rear end cap, the bolt passes in proper order first connecting hole the second connecting hole the third connecting hole reaches the fourth connecting hole makes preceding installation foot the package is moulded stator assembly the back installation foot the rear end cap fastening connection.
11. The electric machine according to any of claims 1 to 4,
the mounting foot component is a plastic piece or a metal piece of a bulk mold.
12. The electric machine according to any of claims 1 to 4,
the plastic-coated stator assembly further comprises a bearing cover, and the bearing cover is located inside the plastic-coated stator assembly.
13. The electric machine according to any of claims 1 to 4,
the plastic-coated stator assembly is provided with a positioning surface matched with the mounting foot component, and the mounting foot component is provided with an assembling surface matched with the plastic-coated stator assembly.
14. The electric machine of claim 13,
the number of the positioning surfaces is multiple, and the positioning surfaces are connected in a turning way to form a positioning part;
the number of the assembly surfaces is multiple, the assembly surfaces are connected in a turning mode to form a matching portion matched with the positioning portion, and the positioning portion is matched with the matching portion in a concave-convex mode.
15. A washing machine, characterized by comprising:
a body; and
an electric machine as claimed in any one of claims 1 to 14, mounted in the machine body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910877571.6A CN112531946B (en) | 2019-09-17 | 2019-09-17 | Motor and washing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910877571.6A CN112531946B (en) | 2019-09-17 | 2019-09-17 | Motor and washing machine |
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| CN112531946A true CN112531946A (en) | 2021-03-19 |
| CN112531946B CN112531946B (en) | 2022-03-04 |
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| CN201910877571.6A Active CN112531946B (en) | 2019-09-17 | 2019-09-17 | Motor and washing machine |
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| CN112531946B (en) | 2022-03-04 |
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