CN107938255A - Washing machine - Google Patents
Washing machine Download PDFInfo
- Publication number
- CN107938255A CN107938255A CN201711085440.1A CN201711085440A CN107938255A CN 107938255 A CN107938255 A CN 107938255A CN 201711085440 A CN201711085440 A CN 201711085440A CN 107938255 A CN107938255 A CN 107938255A
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- China
- Prior art keywords
- rotor
- washing machine
- shaft
- roller
- machine according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005406 washing Methods 0.000 title claims abstract description 52
- 229910000831 Steel Inorganic materials 0.000 claims description 28
- 239000010959 steel Substances 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 230000002093 peripheral effect Effects 0.000 claims description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 8
- 230000004323 axial length Effects 0.000 claims description 6
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims 1
- 230000004907 flux Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 210000000527 greater trochanter Anatomy 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/30—Driving arrangements
- D06F37/304—Arrangements or adaptations of electric motors
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/02—Rotary receptacles, e.g. drums
- D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Power Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The present invention provides a kind of washing machine.The washing machine includes shaft (40), rotor (30) and stator (20), rotor (30) is set in shaft (40) outside, and rotated synchronously with shaft (40), the internal perisporium diameter and the scope of the ratio delta of the periphery wall diameter of rotor that rotor coordinates with shaft (40) are 0.3≤δ ＜ 1.Washing machine according to the present invention, can increase the axially contact area between rotor and shaft, improve the concentricity between rotor and stator.
Description
Technical field
The invention belongs to laundry facilities technical field, and in particular to a kind of washing machine.
Background technology
Roller washing machine generally mainly includes：Water drum, for accommodating washings；Roller, for accommodating laundry, and it is rotatable
Ground is placed in inside water drum；Motor, there is provided power rotates roller；Housing, for accommodating the components such as water drum, motor.
Washing machine for directly driving type, the centre position of rotor, is provided with what is be directly connected to roller shaft
Fit structure, for example, in the rotor between set the structure such as spline housing or square hole and shaft to coordinate.Rotor coordinates with shaft
The structure such as connecting portion, the spline housing or square hole that are set in connecting portion and shaft corresponding matching, the axially connecting portion
The end contact of end face and shaft link position coordinate.The contact face is typically small, if the position because of machining accuracy or
Assembling etc. reason cause mating surface to tilt, then be easy to cause rotor outer circle and stator it is cylindrical between produce larger inclination, cause
Rotor operating produces larger beat, causes larger shake and vibration, and the concentricity that will seriously affect electric machine rotor, air gap
Flux density skewness produces larger electromagnetic force fluctuation.
Because the rotor is outer rotor, it is relatively large in diameter, the connecting portion from rotor outer circle to center, also there are larger space, needs
Corresponding connection structure is designed, such as using forms such as sheet metal structural, integral molded plastics, and need to consider middle connection knot
The problems such as bonding strength of structure, cause the complicated of rotor, manufacturing process is cumbersome.
Roller shaft size is relatively small, can regard as when being connected with roller slender axles single-cantilever support, for shaft with
The connecting portion of roller is, it is necessary to higher bonding strength, and its concentricity is not easy to ensure when shaft is assembled with roller.
The content of the invention
Therefore, the technical problem to be solved in the present invention is to provide a kind of washing machine, can increase between rotor and shaft
Axially contact area, improve the concentricity between rotor and stator.
To solve the above-mentioned problems, the present invention provides a kind of washing machine, including shaft, rotor and stator, rotor are set in
Outside shaft, and rotated synchronously with shaft, the ratio delta of the periphery wall diameter of the internal perisporium diameter and rotor of rotor and shaft cooperation
Scope is 0.3≤δ ＜ 1.
Preferably, the first end of shaft is provided with rotor joint, and rotor is socketed on rotor joint, rotor joint
Axial direction is provided with including the first outer circumference surface and along the axially extending groove of the first outer circumference surface, the first inner peripheral surface of rotor
The protrusion of extension, protrusion are arranged in groove.
Preferably, raised axial length is less than or equal to the axial length of rotor.
Preferably, washing machine further includes roller, and shaft further includes roller connecting portion, and roller connecting portion and roller, which are fixed, to be connected
Connect.
Preferably, roller connecting portion includes the bulge loop for being positioned close to the end of roller one end and radially extending, bulge loop
Outer edge be provided with radial groove, multiple radial grooves are circumferentially arranged along bulge loop；And/or it is provided with bulge loop axial logical
Hole, multiple axially extending bores are circumferentially arranged along bulge loop.
Preferably, cast is fixedly connected between shaft and roller.
Preferably, when shaft includes rotor joint and roller connecting portion, shaft further includes bearing attachment, and bearing connects
Socket part is arranged between rotor joint and roller connecting portion, and rotor joint, bearing attachment and roller connecting portion are ring
Shape structure, and it is in turn connected to form the incremental ledge structure of outside diameter.
Preferably, washing machine further includes roller, and rotor further includes first boss, and first boss is arranged on rotor close to roller
The end of one end, and it is axially extending from end towards roller.
Preferably, rotor further includes magnet steel and iron core, and magnet steel is arranged on the outer circumferential side of rotor, and iron core is arranged in magnet steel
Side.
Preferably, first boss is annular, and the outside diameter of first boss is less than the maximum outside diameter of rotor.
Preferably, pit and/or convex block are provided with magnet steel, pit and/or convex block are arranged on the second inner periphery of magnet steel
On side between face and the second outer circumference surface.
Preferably, washing machine further includes roller, and stator includes being positioned close to the annular second boss of roller side, the
It is circumferentially arranged on two boss to have at least one locating slot.
Preferably, stator further includes winding and draws module, and winding draws module and is arranged on side of the stator away from roller.
Preferably, washing machine further includes water drum, and connection boss, positioning protrusion and stator mounting portion, stator are included on water drum
On stator mounting portion, positioning protrusion is corresponded with locating slot and set.
Preferably, washing machine further includes bearing and water drum, the end face of first boss and the inner ring end contact of bearing, stator
The 3rd outer circumference surface and water drum stator mounting portion the 3rd inner peripheral surface be socketed.
Preferably, the internal perisporium diameter and the scope of the ratio delta of the periphery wall diameter of rotor that rotor coordinates with shaft are 0.7
≤δ≤0.95。
Preferably, shaft is hollow tubular structure.
Washing machine provided by the invention, including shaft, rotor and stator, rotor are set in outside shaft, and synchronous with shaft
Rotate, the internal perisporium diameter and the scope of the ratio delta of the periphery wall diameter of rotor that rotor coordinates with shaft are 0.3≤δ ＜ 1.This
The washing machine of invention, rotor are directly connected with hollow axle, and realization directly drives, and the internal perisporium diameter that rotor coordinates with shaft
Scope with the ratio delta of the periphery wall diameter of rotor is 0.3≤δ ＜ 1, since rotor is hollow, and the internal perisporium of rotor and periphery
The diameter ratio of wall is greatly improved relative to rotor of the prior art, therefore in the constant situation of the periphery wall diameter of rotor
Under, the internal perisporium diameter of rotor is significantly increased, rotor and shaft axially engage length it is constant in the case of, can effectively add
Area is axially engaged between greater trochanter and shaft, the assembling for reducing rotor and shaft tilts, and reduces in rotor operation process
Beat and shake, further, since shaft improves the positioning accuracy of rotor, can improve opposite rotation between rotor
The dynamic concentricity of transhipment, so that the width of air gap between the cylindrical inner circle with rotor of stator is more uniform, improves air gap flux density
Stability, so as to reduce the electromagnet pull of motor operating, reduces the noise that runs at high speed.
Brief description of the drawings
Fig. 1 is the washing machine section view of exemplary embodiment of the present one；
Fig. 2 is the washing machine drum shaft side view of the embodiment of the present invention one；
Fig. 3 is the rotor side view of the embodiment of the present invention；
Fig. 4 is the half sectional view of rotor of the embodiment of the present invention；
Fig. 5 is the M positions enlarged drawing of rotor half sectional view shown in Fig. 4；
Fig. 6 is the first axonometric drawing of the exemplary magnet steel of the motor of the present invention；
Fig. 7 is the second axonometric drawing of the exemplary magnet steel of the motor of the present invention；
Fig. 8 is the first axonometric drawing of the stator of the motor of the embodiment of the present invention；
Fig. 9 is the second axonometric drawing of the stator of the motor of the embodiment of the present invention；
Figure 10 is the component exploded view of the water drum of washing machine of the embodiment of the present invention one, stator and rotor；
Figure 11 is the washing machine section view of the embodiment of the present invention two；
Figure 12 is the roller shaft side view of the washing machine of embodiment two.
Reference numeral is expressed as：
10th, motor is driven；11st, housing；12nd, water drum；13rd, roller；20th, stator；21st, second boss；22nd, locating slot；23、
3rd outer circumference surface；24th, winding draws module；30th, rotor；31st, the first inner peripheral surface；32nd, it is raised；33rd, first boss；34、
Injection molding body；40th, shaft；41st, the first outer circumference surface；42nd, groove；43rd, counterface；44th, bulge loop；45th, radial groove；46th, lead to
Hole；50th, clutch shaft bearing；60th, second bearing；70th, magnet steel；71st, side；72nd, the second outer circumference surface；73rd, the second inner peripheral surface；
74th, pit；80th, iron core；121st, boss, 122, positioning protrusion are connected；123rd, the 3rd inner peripheral surface；124th, stator mounting portion.
Embodiment
With reference to shown in referring to Fig. 1 to 12, according to an embodiment of the invention, washing machine includes housing 11, water drum 12, roller
13rd, motor 10 and shaft 40 are driven, driving motor 10 includes rotor 30 and stator 20.Shaft 40 is arranged on 13 rear portion end face of roller
Position, and be fixedly connected with roller 13.Shaft 40 is hollow tubular structure, and the rotor 30 of driving motor 10 is directly covered with shaft 40
Connect, and rotated synchronously with shaft 40, drive the stator 20 of motor 10 to be fixedly connected on water drum 12 in the radial outside of rotor 30
Rear portion.Shaft 40 is realized by clutch shaft bearing 50 and water drum 12 and is rotatablely connected.Stator 20 and rotor 30 because of the interaction of electromagnetism,
Drive rotor 30 rotates, and rotor 30 washs clothing so as to drive the rotation of shaft 40 to be realized with driving drum 13.Herein first
Bearing 50 is, for example, double-row roller bearing.Preferably, the internal perisporium diameter and the periphery wall diameter of rotor that rotor coordinates with shaft
The scope of ratio delta be 0.3≤δ ＜ 1.
The washing machine of the present invention, rotor 30 are directly connected with hollow axle 40, and realization directly drives, and rotor 30 and shaft
The 40 internal perisporium diameters coordinated and the scope of the ratio delta of the periphery wall diameter of rotor 30 are 0.3≤δ ＜ 1, due in rotor 30
Sky, and the internal perisporium of rotor 30 and the diameter ratio of periphery wall are greatly improved relative to rotor 30 of the prior art, therefore
In the case that the periphery wall diameter of rotor 30 is constant, the internal perisporium diameter of rotor 30 is significantly increased, in rotor 30 and shaft 40
Axially engage length it is constant in the case of, can effectively increase the area that axially engages between rotor 30 and shaft 40, reduce and turn
Son 30 and the assembling of shaft 40 tilt, and reduce the beat in 30 operation process of rotor and shake, further, since shaft 40 is right
The positioning accuracy of rotor 30 improves, therefore can improve the concentricity of relative rotary motion between rotor 30, so that stator
Width of air gap between 20 cylindrical 30 inner circles with rotor is more uniform, improves the stability of air gap flux density, so as to reduce motor fortune
The electromagnet pull turned, reduces the noise that runs at high speed.
It is highly preferred that rotor 30 and the internal perisporium diameter that shaft 40 coordinates and the ratio delta of the periphery wall diameter of rotor 30
Scope is 0.7≤δ≤0.95.When the rotor 30 adopted the structure, due to rotor be between stator 20 and shaft 40,
And the interval between the internal perisporium and periphery wall of rotor is smaller, therefore rotor can be arranged to the cyclic structure of thin-walled so that
The cyclic structure is integrally located between stator 20 and shaft 40, in terms of existing technologies, can be saved and be set rotor 30
For multilayer when, it is necessary to set the structure of connection end plate between inner ring and outer rings, the washing machine direct driving motor for comparing traditional turns
The end face platy structure of son, can simplify rotor structure, and the thickness of rotor is thinned, and can simplify rotor 30 in production
Manufacture craft, improves the productivity of rotor 30, reduces the manufacture difficulty of rotor 30.
Further, since reasonably defining the wall thickness of rotor 30, therefore it can meet magnet steel in the wall thickness for ensureing rotor 30
70 and the setting of iron core 80 while need, avoid rotor 30 wall thickness it is blocked up caused by rotor 30 material consumption increase,
The problems such as cost increase so that the structure arrangement of rotor 30 is more reasonable, can to drive the setting of motor more reasonable, energy
Enough that more efficiently rotor 30 is laid out using the space between stator 20 and shaft 40, the space for reducing rotor 30 accounts for
With, space availability ratio is improved, while the inner space of washing machine is more rationally and effectively utilized, improve the operation effect of driving motor
Rate.
After the tubular structure that shaft 40 is arranged to hollow, when using identical material, and it is identical in quality when, when adopting
With hollow tubular structure, it is possible to shaft 40 is done with 30 matched outside diameter of rotor it is larger, so as to avoid causing to wash
Clothing machine quality is excessive, while ensureing the working performance of washing machine, effectively improves shaft 40 and 30 matched outer circumferential surface of rotor
Area, more efficiently improves shaft 40 and the cooperation area of rotor 30.
Preferably, the first end of shaft 40 is provided with rotor joint, and rotor 30 is socketed on rotor joint, and rotor connects
Socket part includes the first outer circumference surface 41, and rotor 30 includes and 41 matched first inner peripheral surface 31 of the first outer circumference surface, rotor
30 the first inner peripheral surface 31 is directly socketed in outside the first outer circumference surface 41 of the rotor joint of shaft 40.Rotor joint
It is provided with first outer circumference surface 41 along the axially extending groove 42 of the first outer circumference surface 41, the first inner peripheral surface 31 of rotor 30
Axially extending protrusion 32 is provided with, protrusion 32 is arranged in groove 42.Multiple raised 32 along the first inner peripheral surface 31 week
Set to uniform intervals, multiple grooves 42 are set in the circumferential uniform intervals of the first outer circumference surface 41, protrusion 32 and groove 42 1
One is correspondingly arranged, so as to be formed to rotor 30 and shaft 40 circumferentially positioned so that rotor 30 and shaft 40 can rotate synchronously.
Preferably, the axial length of protrusion 32 is less than or equal to the axial length of rotor 30, so that protrusion 32
Reasonable structural arrangement on rotor 30, will not cause to interfere between rotor 30 and other structures, ensure that rotor 30
Reliable and stable operation.
Shaft 40 further includes roller connecting portion, and roller connecting portion is fixedly connected with roller 13.Specifically, roller connecting portion
Including the bulge loop 44 for being positioned close to the end of 13 one end of roller and radially extending, the outer edge of bulge loop 44 is provided with radially recessed
Groove 45, multiple being circumferentially arranged along bulge loop 44 of radial groove 45；And/or axially extending bore 46 is provided with bulge loop 44, multiple axial directions
Through hole 46 is circumferentially arranged along bulge loop 44.Bulge loop 44 radially extends, and increases the face area of bulge loop 44, turns so as to add
Contact area when axis 40 is fixedly connected with roller 13, the small area compared to traditional structure mode connect, can be easier to ensure that and turn
Concentricity when axis 40 is connected with roller 13.Preferably, cast is connected to one between shaft 40 and roller 13, Ke Yibao
The structural integrity between shaft 40 and roller 13 is demonstrate,proved, structural strength is more preferable.
Radial groove 45 and axially extending bore 46 are set on bulge loop 44, pouring type can be used in shaft 40 and roller 13
During connection, mould material is filled inside radial groove 45 and through hole 46, so that prevent rotating against for shaft 40 and roller 13,
To have the function that to increase the relative position of bonding strength and effective fixed rotating shaft 40 and roller 13.
When shaft 40 includes rotor joint and roller connecting portion, shaft 40 further includes bearing attachment, bearing connection
Portion is arranged between rotor joint and roller connecting portion, and rotor joint, bearing attachment and roller connecting portion are ring-type
Structure, and the incremental ledge structure of outside diameter is in turn connected to form, so that completely hollow tubular shaft is formed, since shaft 40 is
Hollow tubular structure, therefore even if the diameter of shaft 40 is made big, will not too greatly increase the quality of shaft 40, will not
Cause the quality of washing machine excessive.Meanwhile after the diameter of increase shaft 40, shaft 40 and roller 13, rotor 30 and axis
Contact girth increase between holding, correspondingly, it is same radially contact with width conditions under, shaft 40 and roller 13, rotor 30
And the contact area between bearing can be significantly increased, so as to more efficiently increase shaft 40 and roller 13, rotor
Location fit effect between 30 and bearing, effectively ensures location fit precision, ensures between shaft 40 and roller 13
Concentricity between concentricity and shaft 40 and rotor 30, and then ensured by the concentricity between shaft 40 and stator 20
Concentricity between rotor 30 and stator 20, improves the stability of air gap flux density, so that the electromagnet pull of motor operating is reduced, drop
The low noise that runs at high speed.
Rotor 30 further includes first boss 33, and first boss 33 is arranged on rotor 30 close to the end of 13 one end of roller, and
It is axially extending from end towards roller 13.Preferably, first boss 33 is annular, and the outside diameter of first boss 33 is less than rotor
30 maximum outside diameter, so as to avoid the outside diameter of first boss 33 excessive and influence rotor 30 and stator 20 it
Between fit clearance, ensure the fiting effect between rotor 30 and stator 20.The first boss 33 is primarily to realization and axis
Axially engaging between holding.
In the present embodiment, rotor 30 is molded and is fixed using injection molding manner, and rotor 30 includes magnet steel 70, iron core 80
With injection molding body 34, magnet steel 70 is arranged on the outer circumferential side of rotor 30, and iron core 80 is arranged on the inner side of magnet steel 70, and magnet steel 70 is uniformly arranged
On the outer circumference surface of iron core 80.Second inner peripheral surface 73 of magnet steel 70 is contacted with the outer circumference surface of iron core 80, and the of magnet steel 70
Two outer circumference surfaces 72 are corresponding with the inner peripheral surface of stator 20.
Pit 74 and/or convex block are provided with magnet steel 70, pit 74 and/or convex block are arranged on the second inner periphery of magnet steel 70
On side 71 between 73 and second outer circumference surface 72 of face.In the present embodiment, pit 74 is provided with magnet steel 70, pit 74 can
To be arranged on the upper and lower side of magnet steel 70, either left and right side or four sides are set at the same time.In the fixed magnet steel 70 of injection,
Injected plastics material will be filled in pit 74, the axially and radially sliding of magnet steel 70 is prevented with this, while can prevent rotor 30 from existing
Magnet steel 70, which is thrown out of, when rotating at a high speed comes off, so as to add the bonding strength of magnet steel 70.
Preferably, stator 20 includes being positioned close to the annular second boss 21 of 13 side of roller, in second boss 21
It is circumferentially arranged to have at least one locating slot 22.In the present embodiment, multiple locating slots 22 are uniform along the circumferencial direction of stator 20
Distribution.The locating slot 22 is to realize that stator 20 and the fixed installation of water drum 12 coordinate.
Preferably, stator 20 further includes winding and draws module 24, and winding draws module 24 and is arranged on stator 20 away from roller
13 side.Certainly, according to actual needs, winding can also be drawn module 24 and is arranged on stator 20 close to the one of roller 13
Side.
Include connection boss 121, positioning protrusion 122 and stator mounting portion 124 on water drum 12, stator 20 is pacified installed in stator
In dress portion 124, positioning protrusion 122 is corresponded with locating slot 22 and set.
Washing machine further includes bearing, the end face of first boss 33 and the inner ring end contact of bearing, stator 20 the 3rd outside
Periphery 23 and the 3rd inner peripheral surface 123 of the stator mounting portion 124 of water drum 12 are socketed.In the end face of first boss 33 and bearing
Inner ring end contact during, there is gap between the end face of first boss 33 and the counterface of rotor joint, from
And to come into full contact between the end face of first boss 33 and bearing, bearing is effectively positioned.
Further, since 41 sets of the first outer circumference surface of the first inner peripheral surface 31 of rotor 30 and the rotor joint of shaft 40
Connect, hence in so that the end face of first boss 33 and the inner ring end face of bearing, the 3rd outer circumference surface 23 and the water drum 12 of stator 20
3rd inner peripheral surface 123 of stator mounting portion 124 and the first inner peripheral surface 31 of rotor 30 and the rotor joint of shaft 40
41 3 connecting portions of the first outer circumference surface have larger diameter and contact area, be easy to ensure rotor 30 and shaft 40
Concentricity, when installing rotor 30, rotor 30 is not susceptible to tilt, therefore can preferably ensure the concentricity between rotor,
Inclination beat when rotor 30 operates can be reduced, so as to reduce shake and vibration.Stator 20, rotor 30 and water drum 12, turn
The connection of axis 40 is fixed and can be fixed by being threaded connection, and screwing position may be provided at corresponding circumferential position.
One clutch shaft bearing 50 can be set at the bearing attachment position of shaft 40, can also be set gradually vertically
One bearing 50 and second bearing 60, or axially disposed more multiple bearing.In the present embodiment, when setting two groups of bearings,
Bearing attachment forms ledge structure, and the diameter of two ledge structures is different, and wherein it is less to be set in diameter for clutch shaft bearing 50
In step section, second bearing 60 is set in the step section being relatively large in diameter.
By taking bearing attachment sets clutch shaft bearing 50 as an example, when motor is installed, the installation of unlimited formulation and rotor is suitable
Sequence, can preferentially install rotor, also can preferentially install stator on water drum.Exemplified by rotor first to be installed, rotor 30 is socketed in and is turned
It is first cylindrical will to be directly socketed in the correspondence position of shaft 40 for the rotor joint of axis 40, the first inner peripheral surface 31 of rotor 30
On side face 41, respective slot 42 is realized socket by the protrusion 32 that the inner circle position of rotor 30 is set, and passes through protrusion 32 and groove 42
Cooperation, realize rotor 30 drive shaft 40 rotation；The end face of the first boss 33 of rotor 30 by with clutch shaft bearing 50
End contact is enclosed, to realize the axially position of rotor 30, therefore the bearing attachment axial distance of shaft 40 will be less than first axle
50 thickness is held, namely the counterface 43 of rotor joint will be more than the end face of the first boss 33 of rotor 30 in axial location
Position, counterface 43 cannot be contacted with rotor 30.Stator 20 is installed on 12 rear portion of water drum, the 3rd excircle of stator 20 again
Face 23 is socketed in inside the 3rd inner peripheral surface 123 of the stator mounting portion 124 at 12 rear portion of water drum, the second boss 21 of stator 20 with
The connection boss 121 of water drum 12 contacts, locating slot 22 and the corresponding assembling respectively of positioning protrusion 122, to realize the accurate of stator 20
Positioning.
For those skilled in the art it is easily understood that on the premise of not conflicting, above-mentioned each advantageous manner can be free
Ground combination, superposition.
The foregoing is merely a prefered embodiment of the invention, is not intended to limit the invention, it is all the present invention spirit and
All any modification, equivalent and improvement made within principle etc., should all be included in the protection scope of the present invention.Above only
It is the preferred embodiment of the present invention, it is noted that for those skilled in the art, do not departing from this hair
On the premise of bright technical principle, some improvement and modification can also be made, these improvements and modifications also should be regarded as the guarantor of the present invention
Protect scope.
Claims (17)
1. a kind of washing machine, it is characterised in that including shaft (40), rotor (30) and stator (20), the rotor (30) is arranged
In the shaft (40) outside, and with the shaft (40) rotate synchronously, the internal perisporium that the rotor coordinates with the shaft (40)
Diameter and the scope of the ratio delta of the periphery wall diameter of the rotor are 0.3≤δ ＜ 1.
2. washing machine according to claim 1, it is characterised in that the first end of the shaft (40) is provided with rotor connection
Portion, the rotor (30) are socketed on the rotor joint, the rotor joint include the first outer circumference surface (41) and
The groove (42) axially extending along first outer circumference surface (41), the first inner peripheral surface (31) of the rotor (30) are provided with
Axially extending protrusion (32), the protrusion (32) are arranged in the groove (42).
3. washing machine according to claim 2, it is characterised in that the axial length of the protrusion (32) is less than or equal to institute
State the axial length of rotor (30).
4. washing machine according to claim 1, it is characterised in that the washing machine further includes roller (13), the shaft
(40) roller connecting portion is further included, the roller connecting portion is fixedly connected with the roller (13).
5. washing machine according to claim 4, it is characterised in that the roller connecting portion includes being positioned close to the rolling
The end of cylinder (13) one end and the bulge loop (44) radially extended,
The outer edge of the bulge loop (44) is provided with radial groove (45), and multiple radial grooves (45) are along the bulge loop (44)
Be circumferentially arranged；And/or
Axially extending bore (46), circumferential direction of multiple axially extending bores (46) along the bulge loop (44) are provided with the bulge loop (44)
Arrangement.
6. washing machine according to claim 5, it is characterised in that poured into a mould between the shaft (40) and the roller (13)
It is fixedly connected.
7. the washing machine according to claim 2 or 4, it is characterised in that when the shaft (40) include rotor joint and
During roller connecting portion, the shaft (40) further includes bearing attachment, and the bearing attachment is arranged on the rotor joint
Between the roller connecting portion, the rotor joint, bearing attachment and roller connecting portion are cyclic structure, and successively
Connection forms the incremental ledge structure of outside diameter.
8. washing machine according to claim 1, it is characterised in that the washing machine further includes roller (13), the rotor
(30) first boss (33) is further included, the first boss (33) is arranged on the rotor (30) close to the roller (13) one end
End, it is and axially extending from end towards the roller (13).
9. washing machine according to claim 8, it is characterised in that the rotor (30) further includes magnet steel (70) and iron core
(80), the magnet steel (70) is arranged on the outer circumferential side of the rotor (30), and the iron core (80) is arranged in the magnet steel (70)
Side.
10. washing machine according to claim 9, it is characterised in that the first boss (33) is annular, and described first is convex
The outside diameter of platform (33) is less than the maximum outside diameter of the rotor (30).
11. washing machine according to claim 9, it is characterised in that be provided with the magnet steel (70) pit (74) and/or
Convex block, the pit (74) and/or convex block are arranged on the second inner peripheral surface (73) and the second outer circumference surface of the magnet steel (70)
(74) on the side (71) between.
12. washing machine according to claim 1, it is characterised in that the washing machine further includes roller (13), the stator
(20) include the annular second boss (21) for being positioned close to roller (13) side, circumferentially set on the second boss (21)
It is equipped with least one locating slot (22).
13. washing machine according to claim 12, it is characterised in that the stator (20) further includes winding and draws module
(24), the winding draws module (24) and is arranged on side of the stator (20) away from the roller (13).
14. washing machine according to claim 12, it is characterised in that the washing machine further includes water drum (12), the water
Include connection boss (121), positioning protrusion (122) and stator mounting portion (124), the stator (20) on cylinder (12) and be installed on institute
State on stator mounting portion (124), the positioning protrusion (122) corresponds with the locating slot (22) and sets.
15. washing machine according to claim 8, it is characterised in that the washing machine further includes bearing and water drum (12), institute
State the end face of first boss (33) and the inner ring end contact of the bearing, the 3rd outer circumference surface (23) of the stator (20) with
The 3rd inner peripheral surface (123) socket of the stator mounting portion (124) of the water drum (12).
16. the washing machine according to any one of claim 1 to 6,8 to 15, it is characterised in that the rotor (30) and institute
State the scope of the ratio delta of the periphery wall diameter of internal perisporium diameter and the rotor (30) of shaft (40) cooperation for 0.7≤δ≤
0.95。
17. the washing machine according to any one of claim 1 to 6,8 to 15, it is characterised in that during the shaft (40) is
Empty tubular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711085440.1A CN107938255B (en) | 2017-11-07 | 2017-11-07 | washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711085440.1A CN107938255B (en) | 2017-11-07 | 2017-11-07 | washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107938255A true CN107938255A (en) | 2018-04-20 |
| CN107938255B CN107938255B (en) | 2023-11-07 |
Family
ID=61933438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711085440.1A Active CN107938255B (en) | 2017-11-07 | 2017-11-07 | washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107938255B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2051235U (en) * | 1989-05-10 | 1990-01-17 | 张劲松 | Plane induction wave wheel washing machine |
| DE19520330A1 (en) * | 1995-06-02 | 1996-12-05 | Wema Elektronik Gmbh | Drive unit for washing machine drum |
| CN202898810U (en) * | 2012-11-02 | 2013-04-24 | 尼得科电机（青岛）有限公司 | Washing machine with 6-pole 36-groove motor |
| CN103812248A (en) * | 2012-11-10 | 2014-05-21 | 大众汽车有限公司 | Electrical machine and rotor therefor |
| CN207552722U (en) * | 2017-11-07 | 2018-06-29 | 珠海格力节能环保制冷技术研究中心有限公司 | Washing machine |
-
2017
- 2017-11-07 CN CN201711085440.1A patent/CN107938255B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2051235U (en) * | 1989-05-10 | 1990-01-17 | 张劲松 | Plane induction wave wheel washing machine |
| DE19520330A1 (en) * | 1995-06-02 | 1996-12-05 | Wema Elektronik Gmbh | Drive unit for washing machine drum |
| CN202898810U (en) * | 2012-11-02 | 2013-04-24 | 尼得科电机（青岛）有限公司 | Washing machine with 6-pole 36-groove motor |
| CN103812248A (en) * | 2012-11-10 | 2014-05-21 | 大众汽车有限公司 | Electrical machine and rotor therefor |
| CN207552722U (en) * | 2017-11-07 | 2018-06-29 | 珠海格力节能环保制冷技术研究中心有限公司 | Washing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107938255B (en) | 2023-11-07 |
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