CN1809661B

CN1809661B - Washing machine

Info

Publication number: CN1809661B
Application number: CN2004800002139A
Authority: CN
Inventors: 曺基喆; 崔成奉; 金明德
Original assignee: LG Electronics Inc
Current assignee: LG Electronics Inc
Priority date: 2003-02-06
Filing date: 2004-02-06
Publication date: 2011-09-28
Anticipated expiration: 2024-02-06
Also published as: CN1809661A; KR20040071394A; CN101446017A; CN101446017B; ES2360856T3; KR100615569B1

Abstract

The invention discloses a washing machine. The washing machine comprises an outer barrel positioned in the case and used for storing washing water; an inner barrel rotatablely arranged inside the outer barrel and comprising a stirrer rotatablely arranged in the inner barrel; a power output device including a washing shaft connected with the stirrer and a rotating shaft connected with the inner barrel; a drive motor positioned outside the outer barrel and including a magnetic rotor component and a hollow stator component arranged in the rotor; a clutch component for selectively transmitting drive force from the drive motor to the rotating shaft according to operation modes; and a drainage device for draining the washing water out of the washing machine.

Description

Washing machine

Technical field

The present invention relates to a kind of washing machine, particularly a kind of washing machine that improves structure wherein, has improved drive motors, has been used for power is transferred to agitator and the power transmission of interior bucket and the structure of clutch pack from drive motors.

Background technology

The dirt that is attached on the laundry item has been eliminated in washing machine utilization washing, rinsing and rotation circulation by the effect of washing agent and water.Fig. 1 is the profile of traditional stirring type washing machine, below with described.

With reference to Fig. 1, bucket 30 in casing 10 inside are provided with outside 20 and one in bucket, by damper 15, outer bucket 20 forms the outer shape of floating states, is used for storage of water; And interior bucket is rotatably installed in the inside of outer bucket 20.In bucket 30 comprise a plurality of through hole (not shown)s, the water of bucket 30 or outer bucket 20 just can be mobile between interior bucket 30 and outer barrel 20 in being supplied to like this.Also be provided with an agitator 35, the center of the bottom of bucket 30 in being rotatably installed in.Simultaneously, be connected with a scupper hose 60 on the bucket 20 outside and be connected, and a draining valve 65 is arranged at the middle part of flexible pipe 60 in order to outside with casing 10.

On interior bucket 30, be connected with a wash shaft 41, that is, on agitator 35, be connected with wash shaft 41, thereby link to each other with rotating shaft 45 and interior bucket 30.Wash shaft 41 mechanically is connected with clutch pack 40 with rotating shaft 45.Simultaneously, the following place apart from clutch pack 40 certain distances of bucket 20 comprises that a motor 50 in order to produce power, also has the belt 55 of the lower end of a connection motor 50 and wash shaft 41 outside.

In the washing machine of the stirring type of aforementioned conventional, when motor 50 in the running, rotary power is to be transferred to wash shaft 41 by belt 55.

Like this, if clutch 40 makes wash shaft 41 be in the situation of separating with rotating shaft 45, have only agitator 35 to rotate alone so.Thereby washing machine begins washing or rinsing by the circulation of water and the frictional force of agitator 35 rotation generations.

In contrast, if clutch 40 makes wash shaft 41 be in the situation that is connected with rotating shaft 45, agitator 35 and the rotation simultaneously of interior bucket 30 so.Like this, washing machine just can be rotated dehydration at water unnecessary in the clothes.Certainly at this moment draining valve 65 is opened, thereby the water in the outer bucket 20 is discharged to the outside of washing machine by scupper hose 60.

But there is following several problem in traditional washing machine.

At first, as mentioned above, the structure of traditional washing machine is that rotary power is to be transferred to wash shaft by belt indirectly from motor.Therefore, be very high by belt slip and the caused power transmission loss of friction.

In addition, for anti-sliding stop, belt is set at the lower end with good tension force pulling wash shaft to traditional washing machine when transmission power.Simultaneously, heavier motor be installed in outer bucket below, and departing from a side position of central module.Therefore in the inside of casing, interior bucket and outer bucket may produce inclination.

Summary of the invention

Purpose of the present invention is intended to solve aforesaid problem, reduces the power transmission loss that causes when motor is transferred to wash shaft with driving force as far as possible.

Another object of the present invention is intended to improve structure, even washing machine moves for a long time, and has installed under the situation of motor and power transmission, and the interior bucket and the outer bucket of washing machine can not produce inclination yet.

A further object of the present invention is intended to reduce the height of washing machine, for the user provides convenience.

A further object of the invention is to improve the structure of motor, that is, the parts of the motor of different outputs can exchange, in order to adapt to the washing machine of different capabilities.

A further object of the invention is to improve the structure of motor for washer, and the heat that makes washing machine be produced by motor when operation can be scattered and disappeared effectively.

In order to reach these purposes of the present invention, the invention provides a kind of washing machine, comprising: outer bucket is positioned at box house, in order to store slurry; Interior bucket is rotatably installed in outer bucket inside, and an agitator rotatably is installed; Power transmission comprises the wash shaft that links to each other with agitator, and the rotating shaft that links to each other with interior bucket; Drive motors is positioned at the outside of outer bucket, comprises the rotor assembly with magnetic and is arranged on the stator module of the hollow of internal rotor; Clutch pack is used for according to operational mode the driving force that drive motors produces optionally being transferred to rotating shaft; And drainage arrangement, be used for the slurry of washing machine is discharged to the outside of washing machine.

Rotor assembly comprises rotor case, comprises the wash shaft that is directly connected on the following central module, and a plurality of permanent magnet, is connected on the inner circumferential surface of rotor case.The preferred rotor housing comprises the sawtooth that stretches out from a surface, in order to optionally meshing with rotating shaft, and also comprises step on inner circumferential surface, in order to support the permanent magnet of lower end.

Rotor case comprises a plurality of curvilinear cut of stretching out along the rotor case excircle.Rotor case also comprises fin, and each fin will be close to the part of rotor assembly of otch inside outstanding and that enter rotor assembly and form, and its purpose is the lower end of supports permanent magnets.Preferred otch is arranged between top and the step along the external peripheral surface of rotor case.

Rotor case comprises at least one cooled blade, the part of the external peripheral surface by crooked cutting rotor housing, and bend towards the inside of rotor case and form.Preferred a part of cooled blade is cut and crookedly is cut and crooked in the opposite direction of the direction of rotation of rotor case to, remaining cooled blade in the direction of rotation of rotor case.Preferably be in the rotor rotated housing direction of rotation be cut and the quantity of crooked cooled blade more than the reciprocal cutting of the direction of rotation that is in rotor case and the quantity of crooked cooled blade.

Power transmission comprises wash shaft, comprises last wash shaft that is connected to agitator and the following wash shaft that is directly connected to rotor assembly; Rotating shaft comprises the last rotating shaft of bucket in being connected to and apart from the following rotating shaft of rotor assembly certain distance; And geared system, be connected between upper and lower wash shaft and the upper and lower rotating shaft.

Geared system comprises the central gear that is connected to down wash shaft; The external peripheral surface planet gear meshed of a plurality of and central gear; The carriage that connects planetary gear and last wash shaft; Cylinder, its inner circumferential surface and planetary gear engagement, and connect upper and lower wash shaft.

Clutch pack comprises clutch coupling, along the axially movably installation of rotating shaft, thereby can optionally connect rotating shaft and rotor assembly; Lifting device can above/following mobile clutch coupling.This lifting device comprises trip(ping) lever, one end and clutch coupling engagement, and intermediate point connects jointed shaft; And the clutch motor, be used to draw or push away the other end of trip(ping) lever, thereby on/end of following mobile trip(ping) lever.

Clutch pack can further include the brake that is positioned at above the clutch coupling, is used to limit the distance that clutch coupling moves up.No matter preferably be that brake or clutch coupling comprise that all recess maybe can be inserted into the projection of recess the inside, thereby when clutch coupling contacts with brake, can prevent the rotation of clutch coupling and rotating shaft.

Clutch pack preferably includes the brake apparatus that can stop the rotating shaft rotation.This brake apparatus comprises brake pad, is installed in the position that contacts or adjoin with cylinder, and this cylinder directly is connected with rotating shaft in the power transmission; Brake lever, one end connect brake pad, the middle jointed shaft that a bit connects; And the operation motor, thereby be used to draw or push away the other end braking of brake lever or the brake on the release cylinder.

Drainage arrangement comprises drainage channel, makes the outside of casing to be connected with outer bucket; Draining valve is used for the ON/OFF drainage channel; And the operation motor, thereby be used to draw or push away draining valve ON/OFF drainage channel.

Preferred brake apparatus and drainage arrangement are controlled by same operation motor.Like this, preferably move motor,,,, discharge slurry simultaneously to discharge the brake on the rotating shaft with the operational mode operation of second step to stop the rotation of rotating shaft with the operation of first step operational mode.

In first step operational mode, preferred brake pad discharges the brake on the cylinder, drain shut valve drainage channel.In the second step operational mode, preferred brake pad discharges the brake on the cylinder, draining valve opening water discharge passage.

Owing to adopt an operation motor to control brake apparatus and drainage arrangement, preferred draining valve comprises the liner that is used to cut out drainage channel; Second pull bar that is connected with liner; And first pull bar that is connected with the draining bar, when the operation motor turns round with first step operational mode, first pull bar moves to first length at first alone, thereby make brake lever produce and move brake drum, when the operation motor was in for second step during operational mode, thereby first pull bar and second pull bar are mobile simultaneously up to the second length opening water discharge passage.

Simultaneously, operational mode should comprise at least the just first step operational mode of rotating spoon and the second step operational mode of same direction rotating spoon and interior bucket, and one of them in the 3rd step operational mode of rotating spoon and interior bucket in the opposite direction.

In first step operational mode, thereby clutch pack makes down rotating shaft break away from the rotor assembly brake drum.Therefore just agitator rotates and washs or rinsing.Simultaneously, in first step operational mode, preferred clutch coupling breaks away from rotor assembly and closely contacts with the brake of the displacement that limits clutch coupling.

In the second step operational mode, clutch pack makes down rotating shaft and rotor assembly engagement, and discharges the brake on the cylinder.Then, agitator and interior bucket in the same way rotation wash, rinsing or rotation.

In the second step operational mode, agitator and interior bucket be with rotation at a high speed, and centrifugal force makes the slurry between interior bucket and outer bucket raise towards the top of outer bucket like this, in dropping to then barrel inside; Perhaps agitator and interior bucket are with low speed rotation, and the slurry in centrifugal force makes like this between bucket and the outer bucket remains on and makes slurry attached to the state on the inwall of outer bucket.

In the second step operational mode, when rotation took place, drainage arrangement was discharged to slurry the outside of washing machine.

Simultaneously, in the 3rd step operational mode, clutch pack makes down rotating shaft break away from rotor assembly, discharges the brake on the cylinder.Like this, agitator and the reverse rotation simultaneously of interior bucket are washed and rinsing.

In the 3rd step operational mode, preferably break away from brake that clutch coupling in the clutch pack of rotor assembly was arranged on and the limited clutch coupling displacement position of preset distance at interval, for example, the 1-10 millimeter.This is in order to prevent clutch coupling bump brake when rotating shaft rotates, simultaneously also in order to prevent wearing and tearing and to produce noise.

Simultaneously, said structure makes from the drive motors to the agitator and not loss of the power of interior bucket transmission.No matter the closure of power transmission and drive motors how, all should avoid increasing the height of washing machine, so that use.And the cooling performance of drive motors improves to some extent, and in the manufacture process of motors with different outputs replaceable assembly.Because clutch pack and drainage arrangement have simple structure and operation is accurate, therefore improved reliability of products.Because the direction of agitator and interior bucket is different with speed and is easy to control, therefore improved scourability.

Description of drawings

Accompanying drawing can provide further understanding of the invention, and the part of book as an illustration in being included in, and it shows embodiments of the invention, and and specification be used for explaining principle of the present invention together.Wherein:

Fig. 1 is the profile of conventional laundry apparatus;

Fig. 2 is the profile of washing machine according to the preferred embodiment of the invention;

Fig. 3 is the part sectioned view of motor, power transmission and the clutch pack of washing machine shown in Figure 2;

Fig. 4 is the stereogram of motor stator shown in Figure 3;

Fig. 5 A-Fig. 5 C is the stereogram of different embodiment that is applied to the rotor of the motor among Fig. 3, wherein partial cut;

Fig. 6 is the part sectioned view of the drainage arrangement of washing machine shown in Figure 2;

Fig. 7 shows the drainage arrangement of the washing machine among Fig. 2 and the stereogram of brake apparatus;

Fig. 8 A-Fig. 8 C shows the structural representation of the different parts of washing machine when having only the agitator rotation among Fig. 2 respectively, wherein

Fig. 8 A shows the stereogram of the position of trip(ping) lever, sliding connector and brake in the clutch pack,

Fig. 8 B shows the part sectioned view of the position of motor, power transmission and clutch pack, and

Fig. 8 C shows the gear in the power transmission among Fig. 8 B and the relation of brake pad;

Fig. 9 A-9C shows washing machine among Fig. 2 when the schematic diagram of agitator and the interior bucket structure of each parts when rotating in the same way, wherein

Fig. 9 A shows the stereogram of the position of trip(ping) lever, sliding connector and brake in the clutch pack,

Fig. 9 B shows the part sectioned view of the position of motor, power transmission and clutch pack, and

Fig. 9 C shows the gear in the power transmission among Fig. 9 B and the relation of brake pad; And

Figure 10 A-Figure 10 C shows washing machine among Fig. 2 when the schematic diagram of agitator and the interior bucket structure of each parts during with opposite spin, wherein

Figure 10 A shows the stereogram of the position of trip(ping) lever, sliding connector and brake in the clutch pack,

Figure 10 B shows the part sectioned view of the position of motor, power transmission and clutch pack, and

Figure 10 C shows the gear in the power transmission among Figure 10 B and the relation of brake pad.

The specific embodiment

Referring now to embodiment shown in the drawings to a preferred embodiment of the present invention will be described in detail.

When describing embodiment, identical parts will use identical title and identical label, and will omit description additional and that repeat.

With reference to Fig. 2, the outer bucket 20 in the casing 10 is in order to store slurry, and interior bucket 30 rotatably is fixed on the inside of outer bucket 20, comprises a plurality of through hole (not shown)s on its excircle.Thereby the inside of bucket 30 promoted water circulation in this agitator rotatably was fixed on.

With reference to Fig. 2, agitator can be to comprise at least one outwards agitator 35 of outstanding washing blade 35a, but agitator is not so limited.That is to say that although show among the figure, this agitator may be a bar that is bonded at interior bucket 30 inside.Like this, preferably bar comprises a washing blade at least at its external peripheral surface.Therefore, the structure of agitator is not subjected to the restriction of the structure that shows among Fig. 2, but this version is enough to promote the circulation of water during rotation in interior bucket 30.

Simultaneously, as shown in Figure 2, washing machine of the present invention comprises one and the direct-connected power transmission of drive motors.But when power transmission directly was connected with drive motors, if when the induction machine of the inner-rotor type of prior art is installed in the lower end of power transmission of prior art, the height of washing machine had to be higher than the height of rotor so.

Generally,, be used for putting into and taking out laundry item, just become very inconvenient if pass through the opening of this washing machine when therefore the height of washing machine is very high because the washing machine that has an agitator comprises an opening at the top.Therefore, have only and solved because power transmission could provide the washing machine of the height of being convenient to its use when directly being connected caused technical problem with drive motors for the user.

Accordingly, with reference to Fig. 2, the present invention uses the motor of an outer-rotor type, and particularly brushless dc motor (being the BLDC motor) replaces the motor of inner-rotor type of prior art as drive motors 200.As shown in Figure 2, if with the BLDC motor as drive motors 200, and power transmission 100 directly links to each other with drive motors 200, so because power transmission 100 is connected to the bottom of drive motors 200, just so washing machine do not need to increase height.

Simultaneously, in the present invention, drive motors 200 directly links to each other with power transmission 100, and the structure that is used to interrupt the clutch pack 300 of the power transmission from drive motors 200 to interior bucket 30 so is very simple.Especially, from outer bucket 20, discharge the drainage arrangement 400 of slurry and some assemblies of clutch pack 300 are close-connected in design each other, so drainage arrangement 400 and clutch pack 300 can drive just with a motor.

The different parts of the washing machine with advantage on the aforesaid structure among the present invention, for example, power transmission 100, drive motors 200, clutch pack 300 and drainage arrangement 400 are described with reference to the accompanying drawings.

Power transmission 100 comprises a wash shaft 110, is installed in the position of running through by outer bucket 20 and interior bucket 30, and links to each other with agitator; With a rotating shaft (dehydrating shaft) 120, link to each other with interior bucket 30.Wash shaft 110 is connected on the agitator, and rotating shaft 120 is connected on the interior bucket 30.As shown in Figure 3, wash shaft 110 is installed in the inside of rotating shaft 120 and runs through by rotating shaft 120, and closely is connected with geared system 130.Wash shaft 110, rotating shaft 120 and geared system 130 will be described in detail later.

With reference to Fig. 3, wash shaft 110 comprises that one is gone up wash shaft 111 and a following wash shaft.The upper end of last wash shaft links to each other with agitator, and the lower end of following wash shaft 115 links to each other with drive motors 200, or rather, is to link to each other with the axle of the rotor assembly 250 of drive motors 200.

Rotating shaft 120 comprises that also one is gone up rotating shaft 121 and a following rotating shaft 125.The upper end of last rotating shaft 121 links to each other with interior bucket 30, and the lower end of following rotating shaft 125 is arranged on the position that keeps at a certain distance away with drive motors 200, or rather, and the position that keeps at a certain distance away with the rotor assembly 250 of drive motors 200.

Because wash shaft 110 is installed on the rotating shaft 120, bearing is inserted between wash shaft 110 and the rotating shaft 120, thereby makes wash shaft 110 can keep the rotation of vertical state ground.As shown in Figure 3, in washing machine of the present invention, oilless bearing 101 is between wash shaft 110 and rotating shaft 120, particularly between last wash shaft 111 and last rotating shaft 121.

Oilless bearing has following characteristic, and when frictional heat, the oil of oilless bearing inside can flow to the friction member of outside.Therefore if when producing heat, last wash shaft 111 rotations and produce with last rotating shaft 121 rub, so oil immersion goes into the outside of oilless bearing 101, thereby lubrication friction spare makes wash shaft 110 rotate reposefully.

The inside of running through by rotating shaft 120 for fear of wash shaft 110 causes downslide, and wash shaft 110 particularly goes up wash shaft 111 and comprises parts 112 of stretching from its external peripheral surface, and these parts are positioned at the top of oilless bearing 101.

Simultaneously, last wash shaft 111, time wash shaft 115, last rotating shaft 121 all are connected with geared system 130 with following rotating shaft 125.Shown in Fig. 3 and Fig. 8 C, geared system 130 comprises an epicyclic gearing, and this epicyclic gearing comprises central gear, planetary gear 133, carriage 134 and cylinder 135 again.

Central gear 131 is connected down the upper end of wash shaft 115.A plurality of planetary gears 133 mesh with the excircle of central gear 131.The carriage that connects the axle 132 of planetary gear 133 comprises the upper end that is connected with the lower end of last wash shaft 111.At last, the inner circumferential surface of cylinder 135 and planetary gear 133 engagements, its top and bottom are connected with following rotating shaft 125 with last rotating shaft 121 respectively.

The process that power transmission 100 is transferred to driving force from motor 200 agitator and interior bucket 30 will be described below.

Drive motors 200 exactly is a rotor assembly 250, directly is connected with following wash shaft 115.Therefore when drive motors 200 runnings caused rotor assembly 250 rotations, following wash shaft 115 was also rotated.

In this case, if supposition is the rotation of wash shaft 115 clockwise directions down, and cylinder 135 keeps motionless, thereby rotating shaft 120 can not be rotated, central gear 131 clockwise directions rotation so, rotate in a counter-clockwise direction with central gear 131 planet gear meshed 133, and around central gear 131, rotate (seeing Fig. 8 C) in a clockwise direction simultaneously.

Therefore, rotate in a clockwise direction with axle 132 carriages that link to each other 134 of planetary gear 133, correspondingly, last wash shaft 111 and agitator will rotate in a clockwise direction.

To describe such a case below, and promptly descend rotating shaft 125 to be connected with rotor assembly 250, the brake on the cylinder 135 is released (seeing Fig. 9 C) by clutch pack 300.

Like this, if drive motors 200 runnings make rotor assembly 250 clockwise directions rotate, descend wash shaft 115 and following rotating shaft 125 to rotate so with same speed.

Therefore, when central gear 131 and cylinder 135 rotate with same speed, planet gear meshed 133 is rotated, and when being in same speed and direction with central gear 131 and cylinder 135 between center gear 131 and the cylinder 135, planetary gear 133 will can not rotate so.

Therefore, by carriage 134 and last rotating shaft 121, agitator and interior bucket 30 will be along clockwise direction with same speed rotations.

At last, will describe such a case, and promptly descend rotating shaft 125 and rotor assembly 250 to break away from, and the brake on the cylinder 135 be released (seeing Figure 10 C).

In this case, if drive motors 200 runnings make the rotation of rotor assembly 250 clockwise directions, central gear 131 clockwise directions rotation so, planetary gear 133 correspondingly rotates in a counter-clockwise direction, and around central gear 131, rotate with the direction of rotation opposite with central gear 131, that is counterclockwise.Therefore, carriage 134, last wash shaft 111 and agitator can rotate in a clockwise direction.

Simultaneously, because the brake on the cylinder 135 is released, when planetary gear 133 rotation, cylinder 135 can be with the direction of rotation rotation opposite with planetary gear 133, that is, and and the direction of rotation rotation (counterclockwise) opposite with carriage 134.Therefore, last rotating shaft 121 and interior bucket 30 all can rotate in a counter-clockwise direction.

Correspondingly, in this case, agitator and interior bucket 30 will rotate with different directions from each other.

With reference to Fig. 3, the intermediate member of power transmission 100 is subjected to the protection of housing 150.Housing 150 comprises a upper shell 151 and a lower house 152, and they are fastening by screw.

Between last rotating shaft 121 and upper shell 151, comprise a upper bearing (metal) 102, comprising a lower bearing 103 between rotating shaft 125 and the lower house 152 down.Upper bearing (metal) 102 and lower bearing 103 are supporting rotating shaft 120, so that can rotate securely.

Housing 150 strictly is fixed in the carriage (not shown), and carriage is fixed in the inside of casing 10 rigidly.

Simultaneously, the wash shaft in the power transmission 100 110 directly is connected with drive motors.As shown in Figure 3, drive motors 200 comprises a rotor assembly 250 and stator module 210.Rotor assembly 250 part of the outside of bucket 20 outside has magnetic, and directly is connected with wash shaft 110, exactly directly is connected with following wash shaft 115.Stator module 210 is a hollow, and is arranged on the inside of rotor assembly 250.Because stator module 210 is fixed, when transmission power was given stator module 210, rotor assembly 250 and following wash shaft 115 were rotated simultaneously.

Fig. 4 shows stator module 210.With reference to Fig. 4, the sheet stacking of multi-layered magnetic material forms magnetic core 211 together.More particularly, magnetic core 211 comprises a plurality of thin hollow iron plates.Magnetic core 211 is provided with on the circumferential surface a plurality of protruding 212 within it equidistantly, and each projection includes the fastener hole 213 that runs through wherein.Therefore, work as one or more fasteners, after for example screw or bolt were inserted into fastener hole 213, securing member just can be fixed in housing 150, thereby stator module 210 also can be fixed rigidly.

Magnetic core 211 stretches out a plurality of magnetic poles 214 from its external peripheral surface.Preferred magnetic pole 214 and magnetic core 211 are formed a unit, and equidistantly arrange at the external peripheral surface of magnetic core 211.

Magnetic pole 214 comprises one group of coil 215 that twines.Coil 215 is connected on the terminal 218 of a side of magnetic core 211.Therefore, when with power supply coil 215, magnetic pole 214 and coil 215 serve as electromagnet and form magnetic field.

Between coil, magnetic core 211 and magnetic pole 214, comprise insulating element 216 and a following insulating element 217 on one, be used to avoid coil 215 directly to contact with magnetic pole 214 with magnetic core 211 and coil 215.

Fig. 5 A shows rotor assembly.With reference to Fig. 5 A, rotor assembly 250 comprises a rotor case 251 and is attached to the permanent magnet 255 of the inner circumferential surface of rotor case 251.

Rotor case 251 is by magnetic material, constitutes as iron, and has cup-shape.With reference to Fig. 5 A, rotor case 251 comprises a wheel hub 253 of stretching from its bottom, and the heart partly comprises a through hole 253a therein, is used to pass wash shaft 115.

Rotor case 251 comprises step 525 along its inner circumferential surface, is used for the bottom of supports permanent magnets 255.Therefore, in the bottom that originates in step 525, rotor case 251 has a less diameter, and on the top of step 525, rotor case 251 has a bigger diameter.Rotor case 251 is easy to processing, but extrusion molding for example.

Simultaneously, a plurality of sawtooth 254 are connected a surface of rotor case 251, exactly, are connected in the upper surface of wheel hub 253.Sawtooth is connected on the wheel hub 253, the material of its material for separating with rotor case 251.The external peripheral surface of sawtooth and inner circumferential surface comprise a plurality of teeth.

With reference to Fig. 3, according to said structure, following wash shaft 115 can be passed sawtooth 254 and wheel hub 253 matches and fixing.Because the down inner circumferential surface engagement of the lower end of wash shaft 115 and sawtooth 254, if when therefore rotor assembly 250 rotates, following wash shaft 115 will be rotated simultaneously with rotor assembly 250.

Simultaneously, if when down wash shaft 115 and rotor assembly 250 are in the state that engages, sawtooth 254 is facing to the lower end of rotating shaft 125 down, this moment sawtooth with the certain distance in interval, its lower end.The lower end of following rotating shaft 125 comprises the corresponding tooth of tooth of the external peripheral surface of a plurality of and sawtooth 254.In view of the above, will describe thereafter clutch coupling 310 in the clutch pack 300 on rotating shaft 125/move down, thereby optionally engage the situation of rotating shaft 125 and sawtooth 254 down.This structure will be done more detailed description when describing clutch pack 300.

Simultaneously, when drive motors 200 runnings, drive motors 200 can produce very many heats.Therefore need a kind of structure to make heat can be lost to the outside of motor.For this reason, rotor case 251 is made by the iron with thermal conductive resin, and rotor case 251 has a plurality of louvre 251a and the first cooled blade 251b.

The lower surface of the first cooled blade 251b by cutting rotor housing 251 forms curved surface, and the inside that the part of the crooked lower surface that is cut makes it to arrive rotor case 251 forms.Then, shown in Fig. 5 A, the first cooled blade 251b stretches from the inside of rotor case 251, and the side at basic cooled blade forms a through hole 251c simultaneously.

When rotor assembly rotated, said structure can import air by through hole 251c, and air was blowed to have first stator module 210 of cooled blade 251b.Air is in the internal circulation and the cooling of drive motors 200, and is lost to the outside of motor 200 by louvre 251a.Therefore, motor 200 can be cooled effectively.

Simultaneously, the washing machine of different capabilities needs the motor of different outputs.The washing machine of low capacity has the motor of less output, and jumbo washing machine has the motor of bigger output.But the stator module 210 of the drive motors of different outputs and the size of rotor assembly 250 are also different.

If use same stator module 210, the load capacity of drive motors 200 can change, because the change of the intensity in the magnetic field that is produced by drive motors 200 will cause the variation of the induced electromotive force that stator module 210 produced.

Therefore, when making the washing machine of different capabilities,, then will can be applicable to the stator module 210 of same size if the permanent magnet 255 of the parts of different capabilities washing machine and different size can exchange to greatest extent.But the permanent magnet 255 of using different size needs to change the structure of rotor case 251.Therefore, also need to change the height of step 525 of the bottom of supports permanent magnets 255.

In view of the above, the present invention proposes a kind of like this structure, when washing machine capacity not simultaneously, rotor case 251 can be applied to the washing machine of interchangeable different capabilities, and does not need to change the structure of rotor case 251.Fig. 5 A and Fig. 5 B show this structure, below will describe in detail.

With reference to Fig. 5 A, rotor case 251 has a plurality of otch 256 along its external peripheral surface.Shown in Fig. 5 B, because otch 256 is crooked, the contiguous otch 256 of the part of rotor assembly 525 exactly, forms fin 257 thereby may be pressed against the inboard by the part that otch 256 centers on.In being bent to form the process of fin 257, the part of rotor case 251 can form through hole 257a.

The otch 256 of preferred above-mentioned formation is arranged between the upper end and step 525 of rotor case 251.Though it is downward that Fig. 5 A and Fig. 5 B have described the arc of otch 256, arc also can make progress.

But for above-mentioned two kinds of situations, when the part of the rotor case 251 of pressing close to otch 256 was bent to form fin 257, the upper surface of preferred fin 257 was very flat, so securely the lower end of supports permanent magnets 255.

The rotor case 251 of said structure can change the output of drive motors 200 easily, and does not need to change the structure of drive motors 200 other parts.

With reference to Fig. 5 A, when bigger permanent magnet 255 was fixed to the output that is used on the rotor case 251 to provide bigger, the fixing of permanent magnet 255 can realize by step 525, and the part that this moment, rotor case 251 was pressed close to otch 256 does not need bending.

In contrast, with reference to Fig. 5 B, when less permanent magnet 255 is fixed to the output that is used on the rotor case 251 to provide less, need permanent magnet 255 be fixed on the fin 257.

Simultaneously, except the first cooled blade 251b and through hole 251a, drive motors 200 of the present invention also has the structure that improves cooling performance.Fig. 5 C shows this structure, will do illustrating in greater detail thereafter.

With reference to Fig. 5 C, on the inner surface of rotor case 251, has second cooled blade 258.Second cooled blade 258 be by the external peripheral surface of cutting rotor housing 251 a part, with its bending, and the inside that this otch bends towards rotor case 251 formed.Thus, the side at second cooled blade 258 can form a through hole 259.

Second cooled blade 258 is arranged on the bottom of rotor case 251, exactly is the bottom of the side surface of the rotor case 251 between step 525 and rotor case 251 bottom surface faces.Shown in Fig. 5 C, this second cooled blade 258 is along the axial formation of rotor case 251, and a plurality of second cooled blade 258 is along the circumference of rotor case 251.

With reference to Fig. 5 C, should be noted that simultaneously the position of second cooled blade 258 and through hole is different.That is to say, wherein a part of second cooled blade 258 is each parts by cutting rotor housing 251, make the arc of otch form, and the arc of remaining second cooled blade 258 to be each parts by cutting rotor housing 251 make otch form facing to the opposite direction and the curved cuts of the direction of rotation of rotor case 251 facing to the direction of rotation and the curved cuts of rotor case 251.

The otch of second cooled blade 258 forms in the other direction for 251 one-tenth with rotor case and is based on following reason.

In order to form second cooled blade 258, the part of a side surface of rotor case 251 is cut.In this case, all otch have same direction, and when utilizing cutting tool that rotor case 251 is exerted pressure, on a direction of rotor case 251, very little slip can take place cutting tool.

When forming otch, the slip of rotor case 251 can hinder with size accurately and form second cooled blade 258.The off-dimension of second cooled blade can make rotor assembly 250 produce eccentric rotation or cause very big noise.Therefore, for fear of the generation of these situations, the direction of the otch of second cooled blade 258 is different.

Secondly, when washing machine washed, agitator and interior bucket 30 be not just a direction rotation.That is to say that in order to increase the frictional force that water circulation produces, agitator and interior bucket 30 alternately rotate in a clockwise direction with counterclockwise.

If otch all is same direction, and second cooled blade 258 that is bent to form also is same direction, and on one of them direction of the direction of rotation of rotor assembly 250, second cooled blade 258 just can not work so.

Change because introduce the direction of the air-flow of through hole 259, therefore second cooled blade 258 just can not make it facing to stator module 210 by air-guiding.

Therefore in order to address the above problem, when forming second cooled blade 258, the cut-out direction of rotor case 251 is different.

Simultaneously, when washing machine carried out dehydrating operations, when for example agitator and interior bucket 30 rotated, stator module 210 can produce too much heat.Therefore, preferred second cooled blade 258 has good cooling performance when rotated.

For this reason, a plurality of second cooled blades 258 are cut, and the direction of rotation when bending towards along rotor assembly 250 rotations, this direction is different with the direction of remaining a plurality of second cooled blade 258, the quantity of formed second cooled blade 258 of direction of rotation when particularly, preferably being cut and bending towards along rotor assembly 250 rotations is more than the quantity of remaining second cooled blade 258.

Said structure makes most second cooled blade 258 to enter through hole 259 towards stator module 210 by air-guiding, has therefore improved cooling performance.

Simultaneously, Fig. 5 C shows a kind of like this structure, and is a plurality of, and for example second cooled blade 258 of three vicinities forms a cooled blade group.The cooled blade group is equidistantly arranged along the circumferencial direction of rotor case 251.

In a plurality of second cooled blades 258 in each cooled blade group, some of them second cooled blade 258 is cut, and the direction of rotation when bending towards rotor assembly 250 rotations, remaining second cooled blade 258 is cut, but bend towards the opposite direction of rotor assembly 251 direction of rotation, here, the former quantity will be more than the latter's quantity.

Therefore, the cooled blade group equidistantly arranges it is in order to avoid when rotor assembly 250 rotates the eccentric and vibration of rotor case 251 meeting generations effectively.

As previously mentioned, in drive motors 200 of the present invention, rotor assembly 251 is formed by iron.In addition, rotor case 251 comprises a plurality of louvre 251a, the first cooled blade 251b and the first through hole 251c that is formed by the first cooled blade 251b in the bottom.Especially rotor case 251 comprises a plurality of second cooled blades 258 and by second cooled blade, 258 formed second through holes 259.

The feasible heat that is produced when moving by drive motors 200 of said structure can be discharged to the outside of drive motors 200 at an easy rate by rotor case 251, wherein be provided with other parts, so that unnecessary heat is discharged from drive motors 200, make parts be easy to process and reduced the cost of manufacture of parts like this.

In addition, have a plurality of forniciform otch on the excircle of rotor case 251, the otch of shape makes that the fin of stretching from the inside of rotor case 251 257 is easy to form like this.Change the output of drive motors 200, thereby when needing to change the size of permanent magnet, on fin 257 or step 525, can support the permanent magnet of different size.In view of the above, when making the washing machine of different capabilities, many parts can be replaced mutually to reduce cost of manufacture.

Simultaneously, drive motors 200 is transferred to rotating shaft 120 with power, is optionally to be transferred to down rotating shaft 125 by clutch pack 300 specifically, and need depend on the operational mode of washing machine this moment, will do detailed description to it below.

With reference to Fig. 3, clutch pack 300 has a clutch coupling 310, is used for optionally making rotating shaft 120, the rotating shaft 125 of definitely saying so down, and with rotor assembly 250, definitely saying so is meshed with the sawtooth of rotor case 251.Have tooth on the inner circumferential surface of clutch coupling 310, be used for being meshed with the external peripheral surface and/or the following rotating shaft 125 of sawtooth 254.

When the inner circumferential surface of clutch coupling during with following rotating shaft 125 and engagement, clutch coupling 310 can along rotating shaft 125 down axially on/mobile down.When the sawtooth 254 of clutch coupling 310 and rotor assembly 250 optionally meshed, clutch coupling 310 can optionally pass to down rotating shaft 125 with revolving force from rotor assembly 250.

For instance, when clutch coupling 310 moves down, the parts at the top of clutch coupling 310 and following rotating shaft 125 engagements, the parts of the bottom of clutch coupling 310 are kept the state with sawtooth 254 engagements.Like this, rotor assembly 250 is transferred to down rotating shaft 125 with revolving force.

In contrast, when clutch coupling 310 moved up, clutch coupling 310 broke away from sawtooth 254, and then the revolving force of rotor assembly 250 just can not pass to down rotating shaft 125.

Therefore according to above-mentioned principle, clutch coupling 310 can optionally pass to wash shaft 110 with revolving force from rotor assembly 250.

Simultaneously, clutch pack 300 needs a lifting device and is used for/following mobile clutch coupling 310.As shown in Figure 3, this lifting device comprises a trip(ping) lever 320 and a clutch motor 340.

One end of trip(ping) lever 320 is connected with clutch coupling 310, and intermediate point is connected with jointed shaft 325.Therefore, if push away or draw the other end of this trip(ping) lever 320, clutch coupling 310 will be gone up or move down so.

Simultaneously, if trip(ping) lever 320 is straight and very long, so fixedly trip(ping) lever 320 is just very difficult.In view of the above, the present invention proposes the warp architecture that trip(ping) lever 320 is " L " shapes.

In the warp architecture of " L " shape, horizontal part 321 and clutch coupling 310 engagements, like this, during 254 engagements of the sawtooth on rotating shaft 125 and the rotor assembly 250 instantly, clutch coupling 310 and following rotating shaft 125 and rotor assembly 250 can produce and rotate.Therefore, horizontal part 321 is not what link together with clutch coupling, but is supporting the bottom of clutch coupling 310.As shown in Figure 8, an end of horizontal part 321 is shapes of bifurcated, and this is in order more stably to support clutch coupling 310.

One end of vertical member 322 is connected with clutch motor 340, and its other end is connected with jointed shaft 325.Therefore, when clutch motor 340 pulling vertical member 322, trip(ping) lever 320 is round jointed shaft 325 rotations so, and simultaneously horizontal part 321 can on move apart and close shaft coupling 310.

Simultaneously, clutch motor 340 is used to draw or push away the other end of trip(ping) lever 320, exactly is vertical member 322.Although clutch motor 340 may directly be connected with trip(ping) lever 320, preferred clutch motor 340 and trip(ping) lever 320 are directly to be connected by a coupling ring 330 is non-.

With reference to Fig. 3, coupling ring 330 comprises one first parts 331 that are connected with trip(ping) lever 320; Second parts 332 that are connected with clutch motor 340, and an end of second parts 332 is inserted within first parts 331; And two ends connect the spring 333 of first parts 331 and second parts 332.

When clutch motor 340 pushes away or draw second parts 332 and before thrust or pulling force are sent to first parts 331, said structure makes spring 333 can cushion the impulsive force of this moment.In view of the above, trip(ping) lever 320 always pushes away reposefully or draws, thereby can avoid move caused destruction and collide other parts of moment of clutch coupling 310.

Simultaneously, thus for limit utilize lifting device make clutch coupling 310 on following rotating shaft 125/move down, clutch pack 300 also is provided with a brake 360.Brake will have and illustrate in greater detail shown in Fig. 3 and Fig. 8 A.

With reference to Fig. 3, brake 360 is fixed on the housing 150, more precisely on the lower house on the clutch coupling 310 152.Shown in Fig. 8 A, brake 360 has hole 361, is used for trip bolt or bolt.Shown in Fig. 8 A, a side of brake 360 has a downward extension component 364, is used for being connected with jointed shaft 325.

In order to operate trip(ping) lever 320 reposefully, spring 363 is inserted between the downside of the horizontal part 321 of trip(ping) lever 320 and brake 360.For this reason, brake 360 stretches out an axle sleeve 366 in its lower end, is used to insert and fix the spring 363 there.

Certainly, when clutch coupling 310 and sawtooth intermeshed and rotate, the horizontal part 321 that can promote trip(ping) lever 320 this moment moved downward, and at this moment spring 363 can also play and avoid trip(ping) lever 320 to break away from the effect of clutch couplings 310.

Simultaneously, when on the clutch coupling 310/down during motion, clutch coupling 310 can contact with brake 360.Therefore, with bigger power contact brake 360 caused bumps, should between clutch coupling 310 and brake 369, spring be set for fear of clutch coupling 310.Since it is so, the upper surface of clutch coupling 310 has recess, is used for inserting an end of spring within it.With reference to Fig. 3, show the embodiment that between clutch coupling 310 and lower bearing 103, is provided with spring.Even spring is set like this, also can reach same effect.

Simultaneously, brake 360 can not only limit the mobile height of clutch coupling 310, can also avoid when clutch coupling 310 and engagement, and clutch coupling 310 produces rotation.

For this reason, with reference to Fig. 8 A, brake 360 has recess 365 in its lower end, and clutch coupling 310 has projection in the top, can be inserted within the recess 365.But in contrast, recess 365 and projection 315 can form on clutch coupling 310 and brake 360, perhaps alternately form at clutch coupling 310 and brake 360, so that it intermeshes.

When clutch coupling 310 moved upward, because projection 315 is inserted into recess 365, so said structure had made clutch coupling 310 rotate.In view of the above, should avoid when clutch coupling 310 and engagement, causing the rotation of rotating shaft 120.

Simultaneously, in aforesaid washing machine of the present invention, if wash shaft 110 and rotating shaft 120 simply are connected with interior bucket 30 with agitator respectively, then only to have aforesaid structure just enough for clutch pack 300.Certainly, in this case, power transmission 100 may only make agitator rotate, and agitator and interior bucket 30 are rotated simultaneously in same direction.

But in the washing machine in the present invention, geared system 130 also can further be set to power transmission 100, as epicyclic gearing, makes agitator rotate in different directions with interior bucket 30.Like this,, under different operational modes, need to interrupt wash shaft 110 rotation of the cylinder 135 that directly contacts with wash shaft 110 of definitely saying so in order strictly to control the power transmission 100 of rotating spoon and interior bucket 30.

Therefore, the clutch pack 300 in the washing machine among the present invention also further provides an independent brake assembly 350, is used to interrupt the rotation of cylinder 135, but also serves as the function of planetary gear ring.Brake assembly 350 is described in detail below with reference to Fig. 3 and Fig. 7.

Brake assembly 350 interrupts the rotation of cylinder 135.Because cylinder 135 is connected with following rotating shaft 125 with last rotating shaft 121 respectively, so final brake assembly 350 can interrupt the rotation of rotating shaft 120.

Brake assembly comprises brake pad 351, is set to contact with the outer surface of the cylinder 135 that is connected to rotating shaft 120.Although brake pad 351 is arranged round the external peripheral surface of cylinder 135, but arranging of brake pad 351 is not limited in this, as long as the outer surface setting of brake pad 351 contiguous cylinders 135 gets final product so that brake pad 351 can contact with the outer surface of cylinder 135.

The setting of brake pad 351 should make this brake pad 351 to contact with the outer surface of cylinder 135, thereby brake drum 135 is not for example having external force to do the time spent.But, in contrast, do not break away from the outer surface of cylinders 135 and discharge brake on the cylinder 135 if being arranged so that of brake pad 351 satisfied there being external force to make time spent brake pad 351, and brake pad 351 can contact with the outer surface of cylinder 135 and brake drum 135 when applying external force, and whether the setting of brake pad 351 is as broad as long so.

Therefore, in case brake assembly 350 is provided with brake pad 351, brake pad 351 applies frictional force at the outer surface of the cylinder 135 that is connected with rotating shaft, thereby can control rotating shaft 120.In addition, if brake pad 351 moves away rotating shaft 120, so just discharge the brake on the rotating shaft 120.

Simultaneously, the brake assembly 350 among the present invention comprises a brake lever 355 that is connected with brake pad 351, is used for nonstick system of control mobile gasket 351; And also comprise an operation motor 450, be used to push away/draw brake lever 355.

Brake lever 355 runs through by housing, and particularly lower house 152, and the one end connects brake pad 351.Interposition at brake lever 355 is equipped with a jointed shaft 352.Therefore, if push away/draw the other end of brake lever 355, brake pad 351 is wrapped on the outer surface of cylinder 135 with brake drum 135 so, discharges cylinder 135 thereby perhaps unclamp from outer surface of cylinder.

Simultaneously, with reference to Fig. 3, axle 353 is fixed on the lower house 152, and a torque spring 354 inserts wherein, and the two ends of this torque spring are separately fixed on brake lever 355 and the lower house 152.Therefore, after pushing away by the application of force or drawing the other end of trip(ping) lever 320, after this application of force contact, trip(ping) lever 320 can be maintained the home position by torque spring 354.Especially, when drawing or push away trip(ping) lever 320, torque spring 354 can cushion consequent instant impact.

With reference to Fig. 7, push away or draw the other end of brake lever by operation motor 450.Although operation motor 450 and brake lever 355 may be direct-connected, the present invention does not preferably directly connect.

Like this, in the present invention, brake lever 355 is connected with the draining bar 420 that is connected to draining valve 410, and draining bar 420 is connected with operation motor 450.This structure makes only needs an operation motor 450 just can control drainage arrangement 400 and brake assembly 350 simultaneously, will be explained in more detail this structure thereafter.

Fig. 2, Fig. 6 and Fig. 7 show drainage arrangement 400 is discharged to slurry casing 10 from outer bucket 20 process external.

Drainage arrangement 400 comprises a drainage channel, is used for the outside and the outer bucket 20 of connect box 10; A draining valve is used for the ON/OFF drainage channel; And an operation motor 450, thereby by drawing or push away the purpose that drainage channel reaches the ON/OFF drainage channel.

With reference to Fig. 2 and Fig. 6, drainage channel comprises a drainpipe 401 that is connected with the bottom of outer bucket 20; A scupper hose 402 that is connected with drainpipe 401.One end of drainpipe 401 is made by hard material, is used for correctly fixing and operations platoon's water valve 410, and scupper hose 402 is made by the material of softness simultaneously, is easy to the user like this it is carried out bending.

Draining valve 410 is controlled by operation motor 450, thus the ON/OFF drainage channel.Operation motor 450 can directly be connected with draining valve 410.As shown in Figure 6, because single operation motor 450 is controlled draining valve 410 and brake assembly 350 simultaneously, so draining valve 410 is connected by draining bar 420 with operation motor 450 but in the present invention.

Simultaneously, as previously mentioned, in washing machine of the present invention, agitator and interior bucket 30 can move in a different manner, for example, have only the agitator rotation, or agitator and interior bucket 30 be with same direction rotation, and perhaps agitator and interior bucket 30 rotate simultaneously with opposite direction.

Yet, can control draining valve 410 and brake assembly 350 simultaneously in order to move motor 450, the operation motor 450 that is preferred for controlling has plurality of operating modes.In addition, preferred draining valve 410 is operated according to the different operational modes of operation motor 450, and this will be described in detail below.

Operation motor 450 is used for only interrupting the rotation of rotating shaft when turning round with first step operational mode in the washing machine in the present invention, so that second step, operational mode was moved, is used to discharge the brake on the rotating shaft 120, simultaneously, and discharge water from outer bucket 20.

If operation motor 450 move like this, rotation that so might rotating shaft 120 is interrupted, but water also is in not discharge from outer barrel 20.Therefore when washing machine washs with rinsing, should be able to effectively control the rotation of agitator and interior bucket 30.

In addition, when water is discharged from outer bucket 20, because operation motor 450 can be controlled rotating shaft 120, so when the washing machine rotary dehydration, also can control the rotation of agitator and interior bucket 30 effectively.

Can carry out two kinds of operational modes effectively in order to move motor 450, need to change the structure of draining valve 410.Fig. 6 will be described in detail the structure of draining valve 410.

With reference to Fig. 6, be provided with liner 415, be used to close drainage channel, second pull bar 412 is connected with liner 415.First pull bar 411 is connected with second pull bar 412 in addition, and becomes the gap of predefined " E " between the two.The structure of second pull bar 412 and first pull bar 411 forms the gap of " E " and can realize, will illustrate below.

With reference to Fig. 6, second pull bar 412 circumferential surface within it is provided with a step 412a, and first pull bar 411 is provided with a step 411a simultaneously, and 412a cooperates with step.When first pull bar 411 is inserted into second pull bar 412, between step 411a between first pull bar 411 and second pull bar 412 and step 412a, has sufficiently long gap.

Therefore, operation motor 450 when for example turning round with first step operational mode, spurs draining bar 420 to the length that is equal to or is shorter than the gap in the running, and for example to first length, first pull bar 411 moves to first length alone so.

In contrast, when operation motor 450 went on foot the operational mode running with second, pulling draining bar 420 was to second length of being longer than first length, and not only first pull bar 411 but also second pull bar 412 also move to second length together.Thus, thereby liner 415 moves the opening water discharge passage, and the water of doing washing is so discharged from outer bucket 20.

Simultaneously, with reference to Fig. 6, first spring 416 is inserted into first pull bar 411, and its two ends are connected with draining bar 420 with liner 415 respectively.Be provided with one second spring 417 on the external peripheral surface of second pull bar 412, its two ends are connected with lid with a end near second pull bar 412 of liner 415 separately.

Said structure, when operation motor 450 starts, can not only weaken instant impact to draining valve 410, even and the operation of the use by first spring 416 and second spring 417 motor 450 do not promote draining bar 420, also can make first pull bar 411 and second pull bar 412 return to original position.

Simultaneously, with reference to Fig. 6, draining valve 410 has a bellows 413 and is wrapped on the parts except that liner 415.Use bellows 413 can make draining valve 410 stretch/shrink, thereby can avoid water to penetrate into the assembly the inside.

Draining bar 420 is connected with brake lever 355 in the brake assembly 350 in the drainage arrangement 400.As shown in Figure 6 and Figure 7, draining bar 420 comprises first pull bar 411, first pull bar 421 and second pull bar 426 that is connected with operation motor 450.

Attaching parts 427, the first pull bars 421 that second pull bar 426 has a "T"-shaped shape have a hook 422, are used to receive attaching parts 427.Therefore, in draining bar 420, first pull bar 421 and first pull bar 426 can do relative motion.

With reference to Fig. 6 and Fig. 7, the draining bar, first pull bar 421 of saying so exactly is connected with brake lever 355.Brake lever 355 is connected with variable screw 425, and the slit 423 in first pull bar 421 moves.Therefore, as shown in Figure 6, the position of the brake lever 355 that is connected with draining bar 420 can change in gap " D " more among a small circle.

Said structure makes when 450 runnings of operation motor, can control draining valve 410 and brake assembly 350 simultaneously.The control of draining valve 410 and brake assembly 350 is described with reference to each operational mode of operation motor 450.

At first, when operation motor 450 stopped not change, brake lever 355 did not move.Therefore brake pad 351 remains on itself and cylinder 135 state of contact, thus brake drum 135 and wash shaft 110, and as shown in Figure 6, liner 415 is closed drainage channel.Therefore, there is not water from outer bucket 20, to discharge.

Secondly, such a case will be described, that is, and when operation motor 450 turns round with first step operational mode.When turning round with first step operational mode, operation motor 450 moves first length with 420 pullings of draining bar.

Next,, the brake lever 355 that is connected with draining bar 420 moves first length because being pulled, thus so brake on the brake pad 351 disengaging cylinders 135 release cylinders 135.

Simultaneously, in draining valve 410, first pull bar 411 moves first length alone.So, do not have water from outer bucket 20, to discharge because second pull bar 412 and liner 415 do not move.

Thereby in first step operational mode, the brake that brake pad 351 discharges on the cylinder 135, draining valve 410 cuts out drainage channel.

At last, will describe when the situation of operation motor 450 with second operational mode when running in step.As a reference, operation motor 450 can forward the second step operational mode to from first step operational mode, also can directly forward the second step operational mode to from halted state.

In the second step operational mode, second length of first length is longer than 420 pullings of draining bar by operation motor 450.Like this, because the brake lever 355 that pulling is connected with draining bar 420, so brake on the cylinder and wash shaft 110 also are released.

Because the gap (first length) between first pull bar 411 and second pull bar 412 in the draining valve 410 is shorter than second length, therefore second pull bar 412 and first pull bar 411 move until reaching second length.Therefore liner 415 also moves thereupon, makes water discharge from outer bucket 20.

Thereby, in the second step operational mode, the brake that brake pad 351 discharges on the cylinder 135, draining valve 410 opening water discharge passages simultaneously.

Simultaneously, the aforesaid washing machine among the present invention turns round with plurality of operating modes.To be described in the operation of said modules in each operational mode with reference to Fig. 8 A-Figure 10 C.

At first, in first step operational mode, have only the agitator rotation to be applied to the washing and the rinsing of washing machine.In this case, agitator rotates with constant or opposite direction by rotor assembly 250, thereby the water circulation in the bucket 30 flows in causing, with washing and rinsing laundry item.

Simultaneously, first pattern be used for responding to before washing machine begins to wash, be put in the amount of bucket 30 laundry item.That is to say do not have water to inject washing machine, when agitator was in rotation status, the amount of laundry item was responded in the load of induction during according to rotation.The amount of the laundry item of sensing at that time will influence the water yield, be injected into amount and the washing and the rinsing time of the cleaning agent in the outer bucket 20.

The situation of Control Component in the time of can understanding washing machine at an easy rate and be in first pattern according to Fig. 8 A-Fig. 8 C.

With reference to Fig. 8 A and Fig. 8 B, in first pattern, clutch pack 300 breaks away from rotating shaft 120 and rotor assembly 250.For this reason, clutch motor 340 pulling trip(ping) levers 320 make clutch coupling 310 move up, thereby clutch coupling 310 and the rotor assembly 250 that has sawtooth 254 are broken away from.

With reference to Fig. 8 A and Fig. 8 B, by trip(ping) lever 320, clutch coupling 310 moves up and closely contacts with brake 360.In this case owing to recess 365 and protruding 315 intermeshes, so clutch coupling 310 and rotating shaft 120 also link together.

Simultaneously, in first pattern, brake assembly 350 brake drums 135 in the clutch pack 300.Therefore, operation motor 450 is in closed condition.

In these cases, with reference to Fig. 8,, descend the also rotation in a clockwise direction of wash shaft 115 and central gear 131 so if the rotor assembly 250 in the drive motors 200 rotates in a clockwise direction.Rotate in a counter-clockwise direction with the excircle planet gear meshed 133 of central gear 131, central gear 131 rotates on every side in a clockwise direction simultaneously.In view of the above, carriage 134, last wash shaft 111 and agitator rotate in a clockwise direction.Certainly, if rotor assembly 250 rotates in a counter-clockwise direction, and power transmission 100 will make so that to rotate with above-mentioned opposite direction agitator rotates in a counter-clockwise direction.

Secondly, in second pattern, work as agitator and interior bucket 30 rotate and be applied to washing, rinsing and the rotation of washing machine with same direction situation.

According to agitator and the rotary speed of interior bucket 30 and the ruuning situation of drainage arrangement 400, can be subdivided into three kinds of methods of operation.Therefore, A type, Type B and the C type that second pattern is divided into below will be described.

Before beginning description, once A type, Type B and C type are described briefly.

In the A type, outside slurry and laundry item are put into after bucket 20 the insides, agitator and interior bucket 30 are with at a high speed in same direction rotation.

Then, the centrifugal force that is produced when rotating with high speed with interior bucket 30 by agitator makes laundry item closely contact with the inwall of interior bucket 30, slurry so in bucket 30 and the laundry item passes through the through hole (not shown), and therefore can closely contact with the inwall of outer bucket 20.So V-shaped shape of water circulation in interior bucket 30 and the outer bucket 20.

The water that enters into the inwall of outer bucket 20 rises by the inwall of action of centrifugal force along outer bucket 20, and bucket 30 the insides in dropping to.Make scourability further improve by the bump that produces this moment.As mentioned above, in A pattern formula, the water circulation of slurry is the heart type during washing.

Secondly, in the Type B pattern, agitator and interior bucket 30 are with low speed rotation.Therefore, in Type B, though the V-shaped shape of water circulation can not form heart type.

Correspondingly, in Type B, when carrying out washing and rinsing, the inwall of bucket 30 in laundry item is close to, and slurry is attached to the inwall of outer bucket 20.

Simultaneously, in Type B, in order to improve scourability and rinsing performance, agitator and interior bucket 30 alternately rotate simultaneously with constant or opposite direction.Type B is applied to washing or rinsing.

At last, in the C type, agitator and interior bucket 30 are with very high speed rotation, and meanwhile, drainage arrangement 400 is also moving, discharge water from outer bucket 20.Therefore, the C type is applied to rotation.

Simultaneously, the total characteristics of all types of second pattern are that clutch pack connects rotating shaft 120 and rotor assembly 250, the brake that brake assembly 350 discharges on cylinder 135 and the rotating shaft 120.

For this reason, with reference to Fig. 9 A, clutch motor 340 does not put into operation.In view of the above, shown in Fig. 9 A and Fig. 9 B, the horizontal part 321 of trip(ping) lever 320 keeps horizontal state, and clutch coupling 310 correspondingly moves down, and makes down rotating shaft 125 and rotor assembly 250 engagements that have sawtooth 254.

Operation motor 450 in the brake assembly 350 turns round with first step operational mode.Then, draining bar 420 is pulled and moves one first length, makes brake lever 355 start working.In view of the above, brake pad 351 is removed from the external peripheral surface of cylinder 135, thereby discharges the brake on cylinder 135 and the wash shaft 110.

In any case second pull bar 412 of draining valve 410 can not move,, therefore do not have slurry and discharge so that drainage channel is kept closing.

According to above-mentioned situation, and with reference to Fig. 9 C, if rotor assembly 250 rotations descend wash shaft 115, central gear 131, following rotating shaft 125 and cylinder 135 to rotate with same speed so.Therefore, planetary gear 133 can not rotate, but can be round central gear 131 to rotate with same speed of central gear 131 and cylinder 135 and same direction.In view of the above, the agitator that is connected with carriage 134, the interior bucket 30 that is connected with cylinder 135 are with same speed and direction rotation.

Generally, A type and C type are carried out same process.But, on rotary speed, may have difference.In the Type B pattern, rotor assembly 250 is alternately with constant or opposite direction rotation.In A type and C pattern formula, rotor assembly 250 also can be designed as alternately with constant or opposite direction rotation.

But, in C pattern formula, drainage arrangement 400 discharge waters.Therefore, operation motor 450 turns round with the second step operational mode in the C pattern formula.Then, second pull bar 412 moves the brake that makes on the cylinder 135 and is released, thus the opening water discharge passage.Correspondingly, can from outer bucket 20, discharge slurry.

When washing machine was in the running of C pattern formula, water separated with laundry item by action of centrifugal force, water is discharged to fully the outside of washing machine by drainage arrangement.

Be the third pattern at last, both agitator and interior bucket 30 rotated with opposite direction, and were applied to the washing and the rinsing of washing machine.In this case, the very strong water circulation of formation in the interior bucket 30, thus improved washing or rinsing performance.

In the third pattern, clutch pack 300 makes down rotating shaft 125 separate with rotor assembly 250, and brake assemblies discharges the brake on the cylinder 135.

For this reason, and with reference to Figure 10 A, spur trip(ping) lever 320 during clutch motor 340 runnings slightly.Then, clutch coupling 310 rises, and makes that the sawtooth 254 on the rotor assembly 250 separates with following rotating shaft 125.

Above-mentioned working order and first kind of pattern are similar.But, in first kind of pattern, when clutch coupling 310 moved up, clutch coupling closely was connected with brake 360, the unique distinction that the third pattern is different from first kind of pattern is, clutch coupling 310 and brake 360 can maintain a certain distance between the two.

In this case, the distance between clutch coupling 310 and the brake 360 is approximately the 1-10 millimeter, preferably as shown in Figure 10 A-Figure 10 B, is approximately 3 millimeters.Leave between clutch coupling 310 and the brake 360 and be based on following reason at interval.

In the third pattern, interior barrel 30 opposite with the direction of rotation of agitator.Therefore, even the revolving force of rotor assembly 250 directly is not transferred to rotating shaft 120 by clutch coupling 310, but rotating shaft 120 produces rotation by the geared system 130 non-revolving forces that directly are transferred to wash shaft 110.In view of the above, in the third pattern, clutch coupling 310 will and rotate with following rotating shaft 125 engagements that have sawtooth.

But,,, cause component wear and produce noise thereby also can produce frictional force even clutch coupling 310 and brake 360 are not provided with projection 315 and recess 365 so if clutch coupling 310 is in close-connected state with brake 360.

Certainly,, then can keep rotating shaft 120 motionless, so just the third pattern can not take place if be provided with projection 315 and recess 365.Therefore in the third pattern, clutch coupling 310 and brake 360 are kept a kind of state, that is, and and the certain distance in interval between clutch coupling 310 and the brake 360.

Simultaneously, in the third pattern, although the brake on brake assembly 350 releases and the rotating shaft 120 direct-connected cylinders 135, drainage arrangement 400 can not turn round yet.Therefore for this reason, operation motor 450 turns round with first step operational mode.

Then, thereby brake lever 355 moves and causes that brake pad 351 moves and break away from the external peripheral surface of cylinder 135, and draining valve 410 moves, and wherein only be that first pull bar 411 moves, and second pull bar 412 does not move.In view of the above, when the brake on the cylinder 135 is released, there is not slurry to discharge.

In these cases, and,, descend the also rotation in a clockwise direction of wash shaft 115 and central gear 131 so if rotor assembly 250 rotates in a clockwise direction with reference to Figure 10 C, and planetary gear 133 rotates in a counter-clockwise direction, and rotates round central gear 131 clockwise directions.

In this case, because the brake on the cylinder 135 is released, cylinder 135 rotates in a counter-clockwise direction, and the result causes planetary rotation.In view of the above, rotate with opposite direction, cause agitator and interior bucket 30 also with opposite direction rotation with carriage 134 and the cylinder 135 that planetary gear 133 connects.

The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Industrial usability

As mentioned above, the washing machine among the present invention has the structure that power directly is transferred to power transmission from drive motors. Accordingly, reduced the power transmission loss that produces in the transmission course of the driving force from the drive motors to the wash shaft, thereby improved energy utilization rate.

Even therefore the coaxial rotating of drive motors, agitator and interior bucket has reduced error rate so that washing machine after operation for a long time, also can be avoided the inner barrel and outer barrel run-off the straight, prolonged service life simultaneously.

Simultaneously, outer-rotor type BLDC motor with drive agitator and be connected the power transmission of bucket rotation and directly be connected, reduced the height of washing machine, user-friendly.

The external peripheral surface of the rotor case of drive motors has the flexure type otch, so that the permanent magnet of different size can be connected on the same rotor case, can replace mutually use when therefore producing the motor of different outputs, has saved cost.

In addition, comprise a plurality of cooled blades at the side surface of rotor case, even like this so that drive motors produces more heat when the states such as rotation, also can effectively cool off drive motors, improved the reliability of product.

And the epicyclic gearing in the power transmission is connected with rotating shaft with wash shaft and is connected, so that agitator and interior bucket can rotate in a different manner, thereby has improved washing and rinsing performance.

Simultaneously, clutch pack is simple in structure, so that when the power transmission that interrupts between power transmission and the BLDC motor, be difficult for breaking down, thereby improved the reliability of product.

In addition, control brake assembly and the draining valve that can interrupt the rotating shaft rotation by an operation motor, can save a plurality of parts, very economical.

Claims

1. washing machine comprises:

Outer bucket is positioned at casing and is used to store slurry;

Interior bucket is rotatably installed in the described outer bucket, and comprises the agitator that is rotatably installed in wherein;

Power transmission comprises wash shaft that is connected with described agitator and the rotating shaft that is connected with described interior bucket;

Drive motors is positioned at described outer barrel outside, comprises the rotor assembly with magnetic, and the stator module that is positioned at the hollow of described rotor assembly;

Clutch pack is used for optionally driving force being transferred to described rotating shaft according to operational mode from described drive motors; And

Drainage arrangement is used for slurry is discharged to the outside of washing machine,

Wherein, described rotor assembly comprises rotor case, described rotor case comprises the step arranged along the inner circumferential surface of described rotor case, a plurality of curved cuts of arranging along the excircle of described rotor case and the wheel hub of stretching from the bottom inside surface, and

Bigger permanent magnet is fixed on the described step, and wherein this step supports the bottom of described bigger permanent magnet, perhaps

Less permanent magnet is fixed on the fin, and each described fin is to form by the inside of stretching to described rotor case that curves inwardly of the part that is centered on by described otch with rotor case, is used to support the bottom of described less permanent magnet,

Wherein said wash shaft directly is connected with described rotor case by a through hole on the core of described wheel hub.

2. washing machine according to claim 1, wherein, described agitator comprises the washing blade that at least one stretches out from described agitator outer surface.

3. washing machine according to claim 1, wherein, described rotor case comprises at least one through hole, is positioned at the lower surface of described rotor case.

4. washing machine according to claim 1, wherein, described rotor case comprises at least one cooled blade, the part of the lower surface of described cooled blade by cutting described rotor case agley, and this part bent towards the inside of described rotor case and form.

5. washing machine according to claim 1, wherein, described rotor case comprises at least one cooled blade, and described cooled blade is by the part of the external peripheral surface of cutting rotor housing agley, and this part bent towards the inside of described rotor case and forms.

6. washing machine according to claim 5, wherein, described cooled blade is set between the described step and lower surface of described rotor case.

7. washing machine according to claim 5, wherein, described cooled blade is along the axial formation of described rotor case.

8. washing machine according to claim 5, wherein, some described cooled blades are by the part on the external peripheral surface of cutting rotor housing, make the arc of otch form facing to the direction of rotation of described rotor case and the part that curved cuts centers on, and remaining described cooled blade is by cutting the part of described rotor case, makes part that the arc of corresponding otch centers on facing to opposite direction and crooked this corresponding otch of the direction of rotation of described rotor case and forms.

9. washing machine according to claim 8, wherein, the quantity of more described cooled blades is different from the quantity of described remaining cooled blade.

10. washing machine according to claim 8, wherein, the quantity of more described cooled blades will be more than the quantity of described remaining cooled blade.

11. washing machine according to claim 5, wherein, described rotor case comprises a plurality of cooled blade groups, and each described cooled blade group includes a plurality of described cooled blades.

12. washing machine according to claim 11, wherein, some described cooled blades in described cooled blade group are by the part on the external peripheral surface of cutting rotor housing, make the arc of otch form facing to the direction of rotation of described rotor case and the part that curved cuts centers on, and remaining the described cooled blade in this described cooled blade group is by cutting the part of described rotor case, makes part that the arc of corresponding otch centers on facing to opposite direction and crooked this corresponding otch of the direction of rotation of described rotor case and forms.

13. washing machine according to claim 12, wherein, the quantity of more described cooled blades is different from the quantity of described all the other cooled blades.

14. washing machine according to claim 12, wherein, in the described cooled blade group, the quantity of more wherein said cooled blades will be more than the quantity of described all the other cooled blades.

15. washing machine according to claim 1, wherein, described wash shaft comprises:

Last wash shaft is connected with described agitator; And

Following wash shaft, the through hole of the core by described wheel hub directly is connected with described rotor assembly, and is connected to the described wash shaft that goes up by the planetary gear pair.

16. washing machine according to claim 1, wherein, described rotating shaft comprises:

Last rotating shaft is connected with described interior bucket; And

Following rotating shaft is positioned at and the spaced apart a distance of described rotor assembly, and is connected to the described rotating shaft of going up by the planetary gear pair.

17. washing machine according to claim 1, wherein,

Described wash shaft comprise the last wash shaft that is connected with described agitator and with the direct-connected wash shaft down of described rotor assembly;

Described rotating shaft comprise with described in the last rotating shaft that is connected of bucket and with the following rotating shaft of the spaced apart certain distance of described rotor assembly;

Described power transmission also comprises geared system, between described upper and lower wash shaft and described upper and lower rotating shaft.

18. washing machine according to claim 17, wherein, described geared system comprises:

Central gear is connected with described wash shaft down;

A plurality of planetary gears are with the external peripheral surface engagement of described central gear;

Carriage, described planetary gear and described between the wash shaft; And

Cylinder, its inner circumferential surface and planetary gear mesh, and are connected with described upper and lower rotating shaft.

19. washing machine according to claim 1, wherein, described clutch pack comprises:

Clutch coupling is installed movably along the axial direction of described rotating shaft, is used for optionally connecting described rotating shaft and described rotor assembly; And

Lifting device is used for/moves down described clutch coupling.

20. washing machine according to claim 19, wherein, described clutch coupling engages with described rotating shaft and the described rotor assembly with sawtooth.

21. washing machine according to claim 19, wherein, described lifting device comprises:

Trip(ping) lever, the one end engages with described clutch coupling, and intermediate point is connected with jointed shaft; And

The clutch motor, thus be used to draw or the other end that pushes away described trip(ping) lever upwards/down moves an end of described trip(ping) lever.

22. washing machine according to claim 21, wherein, described lifting device also comprises the resilient connection ring, and described resilient connection ring is between the other end and described clutch motor of described trip(ping) lever.

23. washing machine according to claim 19, wherein, described clutch pack also comprises a brake, is positioned at the top of described clutch coupling, is used to limit the distance that described clutch coupling moves up.

24. washing machine according to claim 23, wherein, or described brake or described clutch coupling comprise recess or be inserted into projection in the described recess, is used for avoiding when described clutch coupling contacts with described brake the rotation of described clutch coupling and described rotating shaft.

25. washing machine according to claim 18, wherein, described clutch pack comprises brake assemblies, is used to interrupt the rotation of described rotating shaft.

26. washing machine according to claim 25, wherein, described brake assemblies comprises pad, is used for applying frictional force at the external peripheral surface of described rotating shaft, thereby brake described rotating shaft, discharge brake on the described rotating shaft thereby perhaps leave described rotating shaft.

27. washing machine according to claim 25, wherein, described brake assemblies comprises:

Brake pad is set to contact or contiguous described cylinder with described cylinder, and described cylinder described rotating shaft direct and in the described power transmission is connected;

Brake lever, the one end is connected with described brake pad, and intermediate point is connected to jointed shaft; And

The operation motor is used to draw or push away the other end of described brake lever, thus braking or discharge brake on the described cylinder.

28. washing machine according to claim 25, wherein,

Described rotating shaft down connects described rotating shaft and the described cylinder gone up.

29. washing machine according to claim 25, wherein, described brake assemblies and described drainage arrangement are driven by same operation motor.

30. washing machine according to claim 1, wherein, described drainage arrangement comprises:

Drainage channel is used to make the outside of described casing and described outer bucket to be connected;

Draining valve is used for the described drainage channel of ON/OFF; And

The operation motor, thus be used to draw or push away the described drainage channel of described draining valve ON/OFF.

31. washing machine according to claim 30, wherein, described operation motor is used to interrupt the rotation of described rotating shaft when turning round with first step operational mode, be used to discharge brake on the described rotating shaft when turning round with the second step operational mode, discharges slurry simultaneously.

32. washing machine according to claim 27, wherein, described drainage arrangement comprises:

Drainage channel is used to make the outside and outer bucket of described casing to be connected;

Draining valve is used for the described drainage channel of ON/OFF;

The draining bar, the one end is connected with described draining valve, and intermediate point is connected to the other end of described brake lever; And

The operation motor is connected with described draining bar, is used for controlling simultaneously described draining bar and brake lever.

33. washing machine according to claim 32, wherein, described operation motor turns round as follows:

First step operational mode is used to spur described draining bar and moves first length;

And

The second step operational mode is used to spur described draining bar and moves second length of being longer than described first length.

34. washing machine according to claim 33, wherein, when turning round with first step operational mode, described brake pad discharges the brake on the described cylinder, and the described drainage channel of described drain shut valve.

35. washing machine according to claim 33, wherein, when going on foot the operational mode running with second, described brake pad discharges the brake on the described cylinder, and described draining valve is opened described drainage channel.

36. washing machine according to claim 33, wherein, described draining valve comprises:

Liner is used to close drainage channel;

Second pull bar is connected with described liner; And

First pull bar, mobile at first alone preset distance moves from the length of being longer than described preset distance simultaneously with described second pull bar then.

37. washing machine according to claim 33, wherein, described draining valve comprises:

Liner is used to close described drainage channel;

Second pull bar is connected with described liner; And

First pull bar, be connected with described draining bar, when the operation motor turns round with first step operational mode, thereby move first length at first alone to move described brake lever brake drum, and when the operation motor goes on foot the operational mode running with second, move to second length simultaneously with the opening water discharge passage with described second pull bar.

38. washing machine according to claim 18, wherein, it is one of following that described operational mode comprises at least:

First pattern is used for only rotating described agitator;

Second pattern is rotated described agitator and described interior bucket with same direction;

And

Three-mode rotates described agitator and described interior bucket with opposite direction.

39. according to claim 1 or 38 described washing machines, wherein, described rotor assembly is with forward or reverse direction rotation.

40. according to the described washing machine of claim 38, wherein, with first mode operation time, described clutch pack makes described rotating shaft break away from described rotor assembly.

41. according to the described washing machine of claim 38, wherein, with second mode operation time, described clutch pack makes described rotating shaft engage described rotor assembly.

42. according to the described washing machine of claim 38, wherein, with second mode operation time, described agitator and described interior bucket are with rotation at a high speed, to such an extent as to the slurry in described between bucket and the described outer bucket rises to the upper end of described outer bucket by action of centrifugal force, drops to described interior barrel the inside then.

43. according to according to the described washing machine of claim 38, wherein, with first mode operation time, described agitator and described interior bucket are with low speed rotation, to such an extent as to the slurry between described interior barrel and described outer barrel remains on the state that is close to described outer barrel inwall by action of centrifugal force.

44. according to the described washing machine of claim 38, wherein, with second mode operation time, described drainage arrangement is discharged to slurry the outside of described washing machine.

45. according to the described washing machine of claim 38, wherein, when turning round with three-mode, described clutch pack makes described rotating shaft break away from described rotor assembly, and discharge the brake on the described cylinder simultaneously, described geared system directly is connected with described rotating shaft, is used for from described wash shaft rotary power being transferred to described rotating shaft, makes described wash shaft mechanically be connected with rotating shaft by described geared system.

46. according to the described washing machine of claim 38, wherein,

Described rotating shaft down connects goes up rotating shaft and cylinder.

47. according to the described washing machine of claim 46, wherein, with first mode operation time, described clutch pack makes described rotating shaft down break away from described rotor assembly, and brakes described cylinder.

48. according to the described washing machine of claim 47, wherein, described clutch pack comprises:

Clutch coupling is installed movably along the axial direction of described rotating shaft, is used for optionally connecting described rotating shaft and described rotor assembly;

Lifting device is used for/moves down described clutch coupling; And

A brake is positioned at the top of described clutch coupling, is used to limit the distance that described clutch coupling moves up,

Wherein, with first mode operation time, described clutch coupling breaks away from described rotor assembly, and closely contacts with described brake.

49. according to the described washing machine of claim 46, wherein, with second mode operation time, described clutch pack makes described rotating shaft down engage described rotor assembly, and discharges the brake on the described cylinder.

50. according to the described washing machine of claim 49, wherein, with second mode operation time, described drainage arrangement is discharged described slurry.

51. according to the described washing machine of claim 46, wherein, when turning round with three-mode, described clutch pack makes described rotating shaft down break away from described rotor assembly, and discharges the brake on the described cylinder.

52. according to claim 49 or 51 described washing machines, wherein, break away from clutch coupling in the described clutch pack of described rotor assembly and be arranged at and the brake position of predefined distance at interval, wherein said brake is used to limit the displacement of described clutch coupling.

53. according to the described washing machine of claim 52, wherein, described brake and clutch coupling be the 1-10 millimeter at interval.