CN101074526A - Washer - Google Patents
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- CN101074526A CN101074526A CN 200610013765 CN200610013765A CN101074526A CN 101074526 A CN101074526 A CN 101074526A CN 200610013765 CN200610013765 CN 200610013765 CN 200610013765 A CN200610013765 A CN 200610013765A CN 101074526 A CN101074526 A CN 101074526A
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Abstract
In order to install the dual-rotor motors into the washing machine effectively, the washing machine in this invention includes: barrels used for containing wash water has the rotary drum in the inner side; dual-rotor includes external rotor with magnet supported by the inner surface and the internal rotor, which is installed in the medial external rotor, with magnet by the outer surface; bearing shell includes one bushings department which is installed at the back of the barrel used to support the rotation axis connected with the above mentioned dual-rotor, the junction department extended from the support; cover department which is formed integrally with the barrel by injection molding cover the outside of the bearing shell; The components of stator are as follows: the Core at which sides correspond to the magnets of the external and internal rotors; the coil winded in the outside of the core; department of mold, which is exposed in the two sides of the core, is formed outside of the core and coil by the method of injection molding; the fixed department, which is fixed in the bushings department mentioned above, is formed from the extension of above mold department.
Description
Technical field
The present invention relates to washing machine.More detailed says, the present invention relates to be equipped with the washing machine of mentioned dual-rotor type motor.
Background technology
Generally speaking, the course of work of washing machine is as follows: washing agent, washings and washings are being put under the state of cylinder inside, utilized the driving force swing roller of motor, and utilizing the frictional force between washings and the washings, washing.Here, above-mentioned cylinder general reference is accommodated the sink of washings and washings, no matter be the drum wash mode, or the stirring-type mode of washing, all applicable.
In addition, the type of drive of above-mentioned washing machine can be divided into following several: by being wound in the belt of motor pulley and drum pulley, the driving force indirect transfer of motor is to the indirect connected mode of cylinder; Motor directly is connected with cylinder, therefore directly the driving force of motor is passed to the direct connected mode of cylinder.
Here, the driving force of motor is not directly delivered to cylinder, but in the driving force transmittance process of the indirect connected mode of transmitting by the belt that is wound in motor pulley and drum pulley, can the produce power loss, and, in the process of transmission of power, can produce a lot of noises.Therefore, in order to address the above problem, adopt the use of the washing machine of direct-coupled type motor to be expansion trend.
Fig. 1 is the profile that shows according to the washing machine of conventional art.
As shown in Figure 1, the inboard of housing 1 is provided with bucket (tub) 2, the rotatable cylinder 3 that is provided with of inboard central authorities of said bucket 2.
And the rear side of said bucket 2 is provided with the motor that is made of stator 6 and rotor 5.Said stator 6 is fixed in the rear wall parts of bucket.Above-mentioned rotor 5 centers on said stator 6, and is connected in cylinder 3 by the rotating shaft 4 that connects bucket.Though not prompting in detail in drawing, the inner peripheral surface of above-mentioned rotor 5 alternately is arranged with magnet, and above-mentioned magnet is arranged with mutually opposite alternating polarity.
In addition, the place ahead of above-mentioned housing 1 is provided with door 7.Be provided with packing ring 8 between above-mentioned door 7 and the bucket 2.In addition, be provided with suspended spring (hanging spring) 9a that is used for barrel support 2 between the outer peripheral face upper side of the upper side of above-mentioned housing 1 inboard and bucket 2.Be provided with friction damper (friction damper) 9b between the bottom surfaces inboard of above-mentioned housing 1 and the outer peripheral face lower side of bucket 2, the effect of above-mentioned friction damper is: the vibrations of decay bucket 2 generation when dehydration.
Meanwhile, be provided with the bucket support (not prompting among the figure) of metal material between the rear wall parts of said bucket and the stator.The gabarit shape of said bucket support and bucket 2 rear wall parts much at one, the said bucket support is fixed in the rear wall parts of bucket when connecting said stator, the gravity of support stator, and keep the concentricity of stator.In case have power supply to supply to said stator 6, said stator will act as electromagnet.At this moment, owing to be arranged at the revolving magnetic system that forms between the magnet of said stator 6 and rotor 5, above-mentioned rotor 5 will rotate.The revolving force of above-mentioned rotor 5 will be delivered to cylinder by rotating shaft 4.
But in recent years, along with the maximization of washing machine capacity, the output that is used for the motor of swing roller also needs to increase.In order to improve the output of motor, the size of rotor and stator is also maximized thereupon, this will inevitably cause the size of motor and the problem that weight significantly increases.
In order to address the above problem, the applicant carries in the open communique 2001-0097204 of Korean Patent (November 8 calendar year 2001 is open) and shows following washing machine: at the inboard and the outer felt coiling of stator, and in the inboard of stator and an outside fixed gap at interval, internal rotor and outer rotor are constituted dual structure, thereby can increase the washing machine that is provided with mentioned dual-rotor type motor of output.
Because above-mentioned mentioned dual-rotor type motor produces high output, therefore more need firm being installed in the electrical equipment such as washing machine.For this reason, the present invention has carried out further improvement to the structure that above-mentioned mentioned dual-rotor type motor is installed on washing machine, and specializes.
Summary of the invention
The purpose of this invention is to provide a kind of washing machine, have the further mentioned dual-rotor type motor that has improved structure.
To achieve these goals, the present invention comprises the washing machine that following components constitutes: bucket, be used to store washings, and the inboard rotatable cylinder that is provided with; Mentioned dual-rotor is supported with the outer rotor of external magnet by inner peripheral surface, and the inboard that is arranged at above-mentioned outer rotor, and the internal rotor that outer peripheral face is supported with internal magnet constitutes; The bearing shell includes the rear that is arranged at said bucket, is used for the support portion of the rotating shaft of above-mentioned cylinder of support and connection and mentioned dual-rotor, and the connecting portion that prolongs from above-mentioned support portion; Cover portion with the said bucket integral injection molding, covers the outside of above-mentioned bearing shell; Stator comprises with the lower part and constitutes, the iron core that the two sides is oppositely arranged with external magnet and internal magnet respectively; Be wound in the coil of the outside of above-mentioned iron core; Be exposed to the two sides of above-mentioned iron core, be integrally formed at the mould portion of the outside of above-mentioned iron core and coil by injection molding; Prolong from above-mentioned mould portion, be fixed in the fixed part of above-mentioned connecting portion.
Here, above-mentioned connecting portion prolongs to the radial direction of above-mentioned bearing shell.Above-mentioned connecting portion is arranged at intervals with a plurality of along the circumferencial direction of above-mentioned bearing shell at a certain angle.Said fixing portion constitutes one with injection molding and above-mentioned mould portion.Said fixing portion prolongs to radial direction is inboard from above-mentioned mould portion, perhaps prolongs to the radial direction outside from above-mentioned mould portion.The position of the mutual correspondence of above-mentioned connecting portion and said fixing portion is formed with a connecting hole that is used to connect attaching parts at least.Above-mentioned connecting portion protrudes with certain altitude and forms.
The present invention also includes the determining positions sub-assembly, and above-mentioned determining positions sub-assembly is used to determine the fixed position with respect to the fixed part of above-mentioned connecting portion.Here, above-mentioned determining positions sub-assembly comprises following components and constitutes: at least 1 determining positions protuberance that protrudes from any side in above-mentioned connecting portion and the fixed part; In order to make above-mentioned determining positions with the corresponding insertion of protuberance, and be formed at least 1 determining positions groove of relative opposite side.Above-mentioned determining positions protuberance is made of following components: the main part that diameter is certain; Be formed at the end of aforementioned body portion, the guide portion that diameter is reduced.Above-mentioned determining positions groove is made of following components: corresponding to aforementioned body portion, and the cylindrical portion that diameter is certain; Corresponding to guide sections, be formed at the portion that reduces of the end of above-mentioned cylindrical portion.The diameter of above-mentioned determining positions groove is less than the diameter of the connecting hole that is formed at said fixing portion.
Above-mentioned bearing shell is formed with holddown groove, when injection moulding, and to above-mentioned holddown groove filling injection thing, fixing above-mentioned cover portion.Said fixing portion is formed with the rib that is used to strengthen intensity.Above-mentioned rib is that a plurality of ribs by the outside that is integrally formed at said fixing portion constitute.The integrally formed a plurality of ribs of strengthening intensity that are useful on of above-mentioned cover portion.Be provided with the insulator of insulating resin material between above-mentioned iron core and the mould portion.
In addition, to achieve these goals, the invention provides and comprise the washing machine that following components constitutes: bucket, be used to store washings, and the inboard rotatable cylinder that is provided with; Mentioned dual-rotor is supported with the outer rotor of external magnet by inner peripheral surface, and the inboard that is arranged at above-mentioned outer rotor, and the internal rotor that outer peripheral face is supported with internal magnet constitutes; The bearing shell includes the rear that is arranged at said bucket, is used for the support portion of the rotating shaft of above-mentioned cylinder of support and connection and mentioned dual-rotor, and the connecting portion that prolongs to radial direction from above-mentioned support portion; Cover portion, in order to cover the fixed outside of above-mentioned bearing shell, and with the said bucket integral injection molding, and be provided with a plurality of ribs that are used to strengthen intensity; Stator comprises with the lower part and constitutes, the iron core that the two sides is oppositely arranged with external magnet and internal magnet respectively; Be arranged at the insulator of insulating resin material of the outside of above-mentioned iron core; Be wound in the coil of the outside of above-mentioned insulator; Be exposed to the two sides of above-mentioned iron core, be integrally formed at mould (mold) portion of the outside of above-mentioned iron core and coil by injection molding; Prolong from above-mentioned mould portion, be fixed in the fixed part of above-mentioned connecting portion.
In addition, to achieve these goals, the invention provides and comprise the washing machine that following components constitutes: bucket, be used to store washings, and the inboard rotatable cylinder that is provided with; Mentioned dual-rotor is supported with the outer rotor of external magnet by inner peripheral surface, and the inboard that is arranged at above-mentioned outer rotor, and the internal rotor that outer peripheral face is supported with internal magnet constitutes; The bearing shell includes the rear that is arranged at said bucket, is used for the support portion of the rotating shaft of above-mentioned cylinder of support and connection and mentioned dual-rotor, and the connecting portion that prolongs to radial direction from above-mentioned support portion; Cover portion, in order to cover the fixed outside of above-mentioned bearing shell, and with the said bucket integral injection molding, and be provided with a plurality of ribs that are used to strengthen intensity; Stator comprises with the lower part and constitutes, the iron core that the two sides is oppositely arranged with external magnet and internal magnet respectively; Be arranged at the insulator of insulating resin material of the outside of above-mentioned iron core; Be wound in the coil of the outside of above-mentioned insulator; Prolong to radial direction from above-mentioned insulator, be fixed in the fixed part of above-mentioned connecting portion.
Have following effect according to the washing machine that mentioned dual-rotor type motor is installed of the present invention:
The first, above-mentioned bearing shell is fixed with the cover portion of said bucket integral injection molding, the mentioned dual-rotor type motor of the revolving force that high output fixedly is provided that therefore can be more stable.
The second, above-mentioned bearing shell is covered by the cover portion with the said bucket integral injection molding and is fixing, therefore can save the operation that above-mentioned bearing shell is assembled in the rear of said bucket separately.Thereby can simplify assembling procedure, shorten the production time of goods.
Three, the connecting portion that forms to radial prolongation from the support portion of above-mentioned bearing shell with when stator combines, can be strengthened the intensity of the rear side of said bucket.
Four,, can shorten the adjustment required time of position when assembling, thereby can shorten the production time of goods by being formed at the determining positions sub-assembly of above-mentioned bearing shell and said stator.
As mentioned above, the present invention improves by the electric motor mounting structure to washing machine, makes the driving force of motor be directly delivered to cylinder, therefore can reduce noise and fault, and reduces power loss.Thereby can improve washing force, improve the reliability of goods.And, can improve the making of the parts that constitute drive division, thereby can improve the productivity of goods.
Description of drawings
Fig. 1 is the profile that shows according to the washing machine of conventional art.
Fig. 2 is the profile of demonstration according to the mounting structure of the mentioned dual-rotor type motor of one embodiment of the invention.
Fig. 3 is the exploded perspective view that shows according to the mentioned dual-rotor type motor of one embodiment of the invention.
Fig. 4 is the part cut-out oblique view that shows according to the bucket back quadrate part of one embodiment of the invention.
Fig. 5 is the oblique view that shows according to the bearing shell of one embodiment of the invention.
Fig. 6 is the profile of demonstration according to the mounting structure of the mentioned dual-rotor type motor of another embodiment of the present invention.
The critical piece description of reference numerals
2: bucket 3: cylinder
10: outer rotor 20: internal rotor
30: stator 70: the bearing shell
80: cover portion
The specific embodiment
Below, with reference to Fig. 2 to Fig. 6, embodiments of the invention are described in detail.
Fig. 2 is the profile of demonstration according to the mounting structure of the mentioned dual-rotor type motor of one embodiment of the invention.Fig. 3 is the exploded perspective view that shows according to the mentioned dual-rotor type motor of one embodiment of the invention.
As shown in Figures 2 and 3, above-mentioned mentioned dual-rotor type motor is to be made of outer rotor 10 and internal rotor 20 and stator 30.Insert stator 30 between above-mentioned outer rotor 10 and the internal rotor 20, and the rear of above-mentioned washing machine drum is fixed on the top of said stator 30.
Detailed says, a side of bearing shell is fixed on the top of said stator 30, and above-mentioned bearing shell is installed on the rear of stator; The bottom of said stator then is inserted between above-mentioned outer rotor 10 and the internal rotor 20.At this moment, the outer peripheral face of said stator 30 and inner peripheral surface are kept certain interval with the inner peripheral surface of above-mentioned outer rotor and the outer peripheral face of internal rotor respectively.Here, a side of said stator 30 is provided with Hall element (Hallsensor) 50, and above-mentioned Hall element is used to detect the rotary speed of above-mentioned mentioned dual-rotor.The hole 38a of top one side of the detecting means 51 of above-mentioned Hall element 50 by being formed at said stator inserts, thereby detects the rotary speed of above-mentioned mentioned dual-rotor.
With external magnet 11 that is arranged at above-mentioned outer rotor 10 and internal magnet 21 opposed inside face and the lateral surfaces that are arranged at internal rotor 20, cored respectively 31 are exposed to the outside.Here, above-mentioned external magnet 11 and internal magnet 21 are to be made of permanent magnet, and above-mentioned iron core 31 can act as electromagnet.
Therefore, the medial surface of above-mentioned internal magnet 21 and iron core 31, and the lateral surface of above-mentioned external magnet 11 and iron core 31 forms double revolving magnetic system, thus make the moment of torsion rotation that above-mentioned mentioned dual-rotor can be stronger.
Said stator 30 comprises following components and constitutes: a plurality of segmentation iron cores 31 that constitute a monomer; Center on the insulator 32 of the insulative resin material of above-mentioned segmentation iron core 31; Be wound in the coil 34 of the outside of above-mentioned insulator 32; The mould portion 33 that injection moulding forms in the outside of above-mentioned insulator 32 and coil 34.Here,, can guarantee and electric insulation, then not need to possess above-mentioned insulator 32 if enamel coating (enamel coating) has been carried out in the outside of above-mentioned coil 34.
In addition, the inner peripheral surface of above-mentioned outer rotor 10 is provided with a plurality of external magnets 11 that are made of permanent magnet.The N utmost point of above-mentioned a plurality of external magnets and the S utmost point are alternately arranged along circumferencial direction.And the outer peripheral face of above-mentioned internal rotor 20 is provided with a plurality of internal magnets 21 that are made of permanent magnet.The N utmost point of above-mentioned internal magnet 21 and the S utmost point and above-mentioned external magnet 11 are corresponding along alternately arrangement of circumferencial direction.The part that the bottom of above-mentioned outer rotor 10 and internal rotor 20 is in contact with one another utilizes the filleting hole 23 that forms by punch process and filleting processing method to fix.
Here, above-mentioned internal rotor 20 and outer rotor 10 can be made of injection molding object.But, act as rear magnetic yoke in order to make himself, preferably make by metal material.
In addition, will describe as follows to the mounting structure of the mentioned dual-rotor type motor that constitutes as mentioned above.
With reference to Fig. 2, parts such as the cylinder 3 of rear face central authorities of rotatable bucket 2 (with reference to Fig. 1) that are arranged at above-mentioned washing machine or agitator are connected with rotating shaft 4.Here, above-mentioned rotating shaft 4 is supported with rotatable state by bearing 2b.Above-mentioned bearing is arranged at bearing shell 70 inside of the back of said bucket 2.In addition, the end of above-mentioned rotating shaft 4 utilizes the sleeve pipe 40 of the resin material that central portion that jockey such as screw is fixed in outer rotor 10 forms.Above-mentioned sleeve pipe 40 utilizes screw 42 jockeys such as grade to be fixed in the central portion of outer rotor 10, still, also can injection moulding etc. mode be integrally formed at outer rotor 10.
Here, the central authorities of above-mentioned sleeve pipe 40 are formed with the hole that is used to make above-mentioned rotating shaft 4 insertions, and the inner peripheral surface in above-mentioned hole is formed with sleeve pipe side serrations 41, and above-mentioned sleeve pipe side serrations combines with the serrations 4a of the outer peripheral face that is arranged at rotating shaft 4.
In addition, for said stator 30 is connected in bearing shell 70, said stator 30 should be provided with the fixed part 35 that prolongs to radial direction from mould portion 33.Certainly, can be different from diagram, said fixing portion 35 also can form from the prolongation outside radial direction of above-mentioned mould portion 33.
Here, said fixing portion 35 can be integrally formed by injection molding and mould portion 33.Said fixing portion 35 is formed with a plurality of connecting hole 35a at a certain angle at interval along circumferencial direction.In addition, above-mentioned bearing shell 70 also is formed with corresponding connecting hole 2c.By above-mentioned connecting hole 35a, 2c, attaching parts such as connecting screw 39, thus said stator 30 is fixed in bearing shell 70.
In addition, the outside of said fixing portion 35 is formed with the rib that is used to strengthen intensity.Above-mentioned rib is made of a plurality of ribs 35c.And the inside edge of the position that above-mentioned mould portion 33 and fixed part 35 meet should form ribs 35d in the scope of the rotation that does not hinder internal rotor 20.
Certainly, also can not need to form aforesaid ribs 35c, but the reinforcement carriage of the metal material of being close to the coupling collar form in the inner face or the outside of said fixing portion 35 (not prompting among the figure), thereby the intensity of reinforcement mould portion 33.
In addition, Fig. 4 is the part cut-out oblique view that shows according to the bucket back quadrate part of one embodiment of the invention.Fig. 5 is the oblique view that shows according to the bearing shell of one embodiment of the invention.
As shown in Figure 4, the outside of the bearing shell of being made by materials such as aluminium alloys 70 is provided with above-mentioned cover portion 80.Above-mentioned cover portion 80 is by injection molding, and is integrally formed with said bucket 2.That is, above-mentioned bearing shell 70 is being positioned under the state of a side, is utilizing injection molding to form said bucket 2 and cover portion 80 simultaneously.
As shown in Figure 5, the outer peripheral face of the support portion 70a of above-mentioned bearing shell 70 is formed with connecting portion 70b to radial prolongation.Above-mentioned connecting portion 70b protrudes with certain altitude and forms.When being integrally formed at the upside of above-mentioned bearing shell 70 by injection molding, the connecting hole 2c that only is formed at above-mentioned connecting portion 70b exposes in cover portion (Fig. 4 80).
Therefore, because the effect of above-mentioned cover portion 80, the rear of being fixed in said bucket 2 that above-mentioned bearing shell 70 can be firm, and can strengthen the intensity at the rear of said bucket 2.And, when carrying out injection moulding, form above-mentioned cover portion 80 simultaneously in order to make said bucket 2, therefore, do not need in addition that assembling is used for fixing the parts of above-mentioned bearing shell 70, thereby can improve productivity.
In addition, above-mentioned cover portion 80 is formed with a plurality of ribs 81 that are used to strengthen intensity.Above-mentioned rib 81 should form a plurality of along the circumferencial direction and radial direction interval one determining deviation of bucket 2 back.
As shown in Figure 5, above-mentioned bearing shell 70 comprises following components and constitutes: the support portion 70a of the sleeve of spring bearing (sleeve) form; Constitute one with above-mentioned support portion 70a, prolong the connecting portion 70b that forms to radial direction from the 70a of bearings portion rearward end.As previously mentioned, in the outside of above-mentioned support portion 70a and connecting portion 70b, cover portion (Fig. 4 80) is integrally formed at the rear of said bucket 2 by injection moulding.
Here, above-mentioned connecting portion 70b comprises with lower area: the regional 70b-1 that is once above ladder along radial direction laterally at least; Be arranged at the plane domain between the above-mentioned regional 70b-1 that is ladder.And the above-mentioned regional 70b-1 that is ladder should form following structure: reclinate structure whenever keeps at a certain distance away outside radial direction.
In addition, be provided with holddown groove 75 around the upper end of above-mentioned bearing shell 70, when injection moulding, the said fixing groove be used to improve and cover portion 80 between adhesion.When the above-mentioned cover of injection moulding portion 80, said fixing groove 75 is filled with injected material and fixes.Therefore, above-mentioned bearing shell 70 can be firm is fixed in above-mentioned cover portion 80.
Here, the central authorities of above-mentioned support portion 70a are formed with the hole that above-mentioned rotating shaft is inserted.Above-mentioned connecting portion 70b prolongs to the radial direction outside from above-mentioned support portion 70a.In addition, above-mentioned connecting portion 70b should be along the circumferencial direction of above-mentioned support portion 70a, forms a plurality ofly at a certain angle at interval, and one body extension forms above-mentioned connecting portion from the support portion with radial.
In addition, above-mentioned connecting portion 70b protrudes with certain thickness and forms.This is because in the intensity of strengthening above-mentioned bearing shell 70, be connected with the fixed part 35 that is arranged at said stator 30.
As mentioned above, in above-mentioned connecting portion 70b, be formed with connecting hole 2c with the corresponding position of connecting hole of the fixed part 35 that is formed at said stator 30.
In addition, said stator 30 should be incorporated into above-mentioned rotating shaft 4 with concentricity accurately.For this reason, said fixing portion 35 and connecting portion 70b are provided with the determining positions sub-assembly that is used to adjust above-mentioned concentricity.
To shown in Figure 4, above-mentioned determining positions sub-assembly comprises as Fig. 2: determining positions protuberance 2d and determining positions groove 35b.Here, above-mentioned determining positions forms a plurality of with protuberance 2d at the side interval of the connecting hole 2c of the connecting portion 70b that is formed at above-mentioned bearing shell 70 one determining deviation protrusion.In addition, said fixing portion 35 is formed with corresponding to above-mentioned determining positions protuberance 2d, and the determining positions groove 35b that it is accurately inserted.Above-mentioned determining positions groove 35b can form the through hole that connects said fixing portion 35.
Certainly,, also can form the determining positions groove, form the determining positions protuberance in said fixing portion 35 at the connecting portion of above-mentioned bearing shell 70 with above-mentioned opposite.
Above-mentioned determining positions week protuberance 2d is by constituting with the lower part: the main part that diameter is certain; End in aforementioned body portion preferably probably forms taper shape, thereby can make determining positions be easy to be inserted in the guide portion of determining positions groove 35b with protuberance.
In addition, after above-mentioned determining positions is inserted with protuberance 2d, the tightly combination of having no to shake, above-mentioned determining positions groove 35b should form form and the size of almost using the homomorphosis of protuberance 2d with above-mentioned determining positions.
That is, as follows: as to insert the part of above-mentioned determining positions, should form the certain cylindrical portion of corresponding diameter with the main part of protuberance 2d to the shape description of above-mentioned determining positions groove 35b; The insertion position decision should form the conical portion that reduces with the part of the conical end of protuberance 2d.In addition, the diameter of the determining positions groove 35b of said fixing portion 35 should be less than the diameter of connecting hole 35a.
Fig. 6 is the profile of demonstration according to the mounting structure of the mentioned dual-rotor type motor of another embodiment of the present invention.
As shown in Figure 6, in the mentioned dual-rotor type motor of foundation present embodiment, said stator 30 does not form mould portion 33 separately.But in the insulator 32 of the outside that is arranged at iron core 31, directly prolongation is formed with fixed part 135.Here, the formation structure that is installed on the bearing shell 70 at rear of said bucket 2 and cover portion 80 is identical with an aforesaid embodiment, therefore no longer it is described in detail.In addition, it is also identical with an aforesaid embodiment to be formed at the structure of the ribs of said fixing portion 135 and determining positions sub-assembly.
As shown in the figure, the fixed part 135 of the said stator 30 that combines with the connecting portion 70b of above-mentioned bearing shell 70 prolongs to the radial direction inboard from above-mentioned insulator 32.Certainly, also can be different from diagram, said fixing portion can prolong to the radial direction outside from above-mentioned insulator 32.
Here, said fixing portion 135 and above-mentioned insulator 32 should integral injection molding.In addition, said fixing portion 135 is formed with the intensity ribs 135a that is used to strengthen intensity.
As mentioned above, be connected and fixed on the bearing shell that barrel rear possesses according to mentioned dual-rotor type motor of the present invention, above-mentioned bearing shell is centered on by the cover portion with the bucket integral injection molding, thereby can be by firm fixing.
Claims (13)
1, a kind of washing machine is characterized in that, comprising:
Be used to store the bucket of washings, its inboard is provided with rotatable cylinder;
Mentioned dual-rotor comprises: inner peripheral surface is supported with the outer rotor of external magnet; And, being arranged at the internal rotor of the inboard of above-mentioned outer rotor, above-mentioned internal rotor outer peripheral face is supported with internal magnet;
The bearing shell includes: be arranged at the rear of said bucket, be used for the support portion of the rotating shaft of above-mentioned cylinder of support and connection and mentioned dual-rotor; Prolong the connecting portion that forms from above-mentioned support portion;
Cover portion with the said bucket integral injection molding, covers the outside of above-mentioned bearing shell;
Stator comprises: the iron core that the two sides is oppositely arranged with external magnet and internal magnet respectively; Be wound in the coil of the outside of above-mentioned iron core; Be exposed to the two sides of above-mentioned iron core, be integrally formed at the mould portion of the outside of above-mentioned iron core and coil by injection molding; Prolong from above-mentioned mould portion, be fixed in the fixed part of above-mentioned connecting portion.
2, washing machine according to claim 1 is characterized in that:
Above-mentioned connecting portion prolongs to the radial direction of above-mentioned bearing shell, and along the circumferencial direction of above-mentioned bearing shell, is arranged at intervals with a plurality of at a certain angle.
3, washing machine according to claim 1 is characterized in that:
Said fixing portion constitutes one with injection molding and above-mentioned mould portion.
4, washing machine according to claim 1 is characterized in that:
Said fixing portion prolongs or the outside prolongs to radial direction is inboard from above-mentioned mould portion.
5, washing machine according to claim 1 is characterized in that:
The position of the mutual correspondence of above-mentioned connecting portion and said fixing portion is formed with a connecting hole that is used to connect attaching parts at least, and above-mentioned connecting portion protrudes formation with certain altitude.
6, washing machine according to claim 1 is characterized in that:
Also include the determining positions sub-assembly, above-mentioned determining positions sub-assembly is used to determine the fixed position with respect to the fixed part of above-mentioned connecting portion, and above-mentioned determining positions sub-assembly comprises:
Protrude from least 1 determining positions protuberance of any side in above-mentioned connecting portion and the fixed part;
In order to make above-mentioned determining positions with the corresponding insertion of protuberance, and be formed at least 1 determining positions groove of relative opposite side.
7, washing machine according to claim 6 is characterized in that, above-mentioned determining positions comprises with protuberance:
The main part that diameter is certain;
Be formed at the end of aforementioned body portion, the guide portion that diameter is reduced;
Above-mentioned determining positions groove comprises:
Corresponding to aforementioned body portion, the cylindrical portion that diameter is certain;
Corresponding to guide sections, be formed at the portion that reduces of the end of above-mentioned cylindrical portion.
The diameter of above-mentioned determining positions groove is less than the diameter of the connecting hole that is formed at said fixing portion.
8, washing machine according to claim 1 is characterized in that:
Above-mentioned bearing shell is formed with holddown groove, when injection moulding, and to above-mentioned holddown groove filling injection thing, fixing above-mentioned cover portion.
9, washing machine according to claim 1 is characterized in that:
Said fixing portion is formed with the rib that is used to strengthen intensity, and above-mentioned rib is made of a plurality of ribs of the outside that is integrally formed at said fixing portion.
10, washing machine according to claim 1 is characterized in that:
The integrally formed a plurality of ribs of strengthening intensity that are useful on of above-mentioned cover portion.
11, washing machine according to claim 1 is characterized in that:
Be provided with the insulator of insulating resin material between above-mentioned iron core and the mould portion.
12, a kind of washing machine is characterized in that, comprising:
Be used to store the bucket of washings, its inboard rotatable cylinder that is provided with;
Mentioned dual-rotor comprises: inner peripheral surface is supported with the outer rotor of external magnet; And, being arranged at the internal rotor of the inboard of above-mentioned outer rotor, above-mentioned internal rotor outer peripheral face is supported with internal magnet;
The bearing shell includes: be arranged at the rear of said bucket, be used for the support portion of the rotating shaft of above-mentioned cylinder of support and connection and mentioned dual-rotor; Prolong the connecting portion that forms from above-mentioned support portion to radial direction;
Cover portion, in order to cover the fixed outside of above-mentioned bearing shell, and with the said bucket integral injection molding, and be provided with a plurality of ribs that are used to strengthen intensity;
Stator comprises: the iron core that the two sides is oppositely arranged with external magnet and internal magnet respectively; Be arranged at the insulator of insulating resin material of the outside of above-mentioned iron core; Be wound in the coil of the outside of above-mentioned insulator; Be exposed to the two sides of above-mentioned iron core, be integrally formed at the mould portion of the outside of above-mentioned iron core and coil by injection molding; Prolong from above-mentioned mould portion, be fixed in the fixed part of above-mentioned connecting portion.
13, a kind of washing machine is characterized in that, comprising:
Be used to store the bucket of washings, its inboard rotatable cylinder that is provided with;
Mentioned dual-rotor comprises: inner peripheral surface is supported with the outer rotor of external magnet; And, being arranged at the internal rotor of the inboard of above-mentioned outer rotor, above-mentioned internal rotor outer peripheral face is supported with internal magnet;
The bearing shell includes: be arranged at the rear of said bucket, be used for the support portion of the rotating shaft of above-mentioned cylinder of support and connection and mentioned dual-rotor; Prolong the connecting portion that forms from above-mentioned support portion to radial direction;
Cover portion, in order to cover the fixed outside of above-mentioned bearing shell, and with the said bucket integral injection molding, and be provided with a plurality of ribs that are used to strengthen intensity;
Stator comprises: the iron core that the two sides is oppositely arranged with external magnet and internal magnet respectively; Be arranged at the insulator of insulating resin material of the outside of above-mentioned iron core; Be wound in the coil of the outside of above-mentioned insulator; Prolong to radial direction from above-mentioned insulator, be fixed in the fixed part of above-mentioned connecting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610013765 CN101074526A (en) | 2006-05-19 | 2006-05-19 | Washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610013765 CN101074526A (en) | 2006-05-19 | 2006-05-19 | Washer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101074526A true CN101074526A (en) | 2007-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610013765 Pending CN101074526A (en) | 2006-05-19 | 2006-05-19 | Washer |
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| Country | Link |
|---|---|
| CN (1) | CN101074526A (en) |
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2006
- 2006-05-19 CN CN 200610013765 patent/CN101074526A/en active Pending
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Application publication date: 20071121 |