CN1566482A - Driving device of full-automatic washing machine - Google Patents

Abstract

The invention discloses a driving device for a full-automatic washing machine, which includes an outer barrel, a washing barrel, a mixer, a stator assembly for producing rotating magnetic field under the actions of AC, a rotor for inducing current and producing rotary force, a rotor frame that encircles the stator assembly and fixes the rotor frame. The beneficial effects of the invention are: assembling the electric motor directly under the clutch, so the transmission efficiency is improved; as the position of the rotor and the stator are changed, the output power of the motor is improved; and can use the insulator without reference to the stator assembly lamination changes.

Description

The drive unit of automatic washing machine

Technical field

The present invention relates to the automatic washing machine field.

Background technology

Usually, washing machine is to utilize the friction of the sulfurization of washing agent and the current that the agitator rotation causes and the product that impulsive force is removed clothing, bedding spot.Washing machine is provided with washing procedure automatically according to the result after utilizing the amount and kind of sensor washings, and after according to the amount of washings and kind water level being controlled at certain height, washs under the control of microcontroller.

Existing washing machine so as shown in Figure 1, outer bucket 10 inside in being arranged at shell 1 are provided with the rotary washtub that has dehydrating function concurrently 20 that is equipped with several dewatering holes.On the middle position of washtub 20 bottoms, be provided with rotary agitator 30.And downside being provided with of outer bucket 10 comprises the clutch 40 of driving washtub 20 and agitator 30 rotations and the drive unit that motor 3 constitutes.

That is, be provided with motor 3 on the side of outer bucket 10 bottoms, be provided with the clutch 40 of regulating motor 3 rotating speeds in the side of motor 3.On the lower end of motor 3 and clutch 40, be provided with drive 3a, 40a, and utilize belt 5 to connect two drives.

As shown in Figure 2, be provided with clutch drive 40a in the lower end of clutch 40, and the top of clutch drive 40a time wash shaft 51 and last wash shaft 35 have been connected successively.And, be arranged on the lower end of dehydrating shaft 25 of washtub 20 downsides and fixed wheel hub 56.On the lower end of wheel hub 56, be provided with dehydrating shaft 57 down, and be provided with planetary gear as reducing gear in inside.

And, on the lower end of following wash shaft 51, be provided with wash shaft 51 and spring block 45 under the encirclement clutch spring 44 and with pull spring abutment 45, also have the end with clutch spring 44 to join, adjust the spring strut 43 of the diameter of spring thus.And, the outer setting of spring strut 43 be equipped with control stick 46 and handle the brake lever 41 of cam 42.

As above the drive unit of Gou Chenging is when washing machine washs and dewater running, finish following action: at first, when washing machine washs running, brake activation lever 41 makes spring strut 43 and handles cam 42 engagements, and the end that makes clutch spring 44 thus is towards the direction twisting that increases diameter.

At this moment, the clutch spring that increases to some extent of diameter 44 is kept distance with the external cylindrical surface of spring block 45.In this state, the revolving force of motor 3 is delivered on clutch drive 40a and the following wash shaft 51 by belt 5.Described revolving force is delivered on the agitator 30 from last wash shaft 35, slows down under the effect of transmission mechanism in the time of rotating mixer 30, and washtub 20 is towards rotating with the direction of the direction of rotation of agitator 30.

Secondly, when washing machine dewaters running, draw when moving lever 41, handle the serrated face that cam 42 breaks away from spring strut 43, the diameter of clutch spring 44 diminishes thus.By the restoring force of diameter, clutch spring 44 can mesh with following dehydrating shaft 57 and spring block 45 simultaneously.

Simultaneously, under the driving of motor 3, when following wash shaft 51 was rotated, the spring block 45 that is fixed together with following wash shaft 51 together rotated with following wash shaft 51.At this moment, be subjected to the revolving force of contraction spring with the clutch spring 44 of spring block 45 and 57 engagements of following dehydrating shaft.Under the effect of described revolving force, spring block 45 is more firm with being connected of following dehydrating shaft 57.And, utilize huge connection strength rotary drum 56 and planetary gear 52 simultaneously.

Thus, when washing machine dewaters running,, dewater to same direction while rotating mixer 30 and washtub 20 at a high speed.

But, aforesaid drive unit utilizes belt that the revolving force of motor is passed to power transmission shaft, not only power loss to some extent, and the structure of clutch and reducing gear is very complicated, there are a lot of difficulties at manufacture view, not only reduced productivity, because use a lot of accurate parts, therefore increased the manufacturing cost of washing machine, the probability that breaks down when making and turn round is higher.

Summary of the invention

Technical problem to be solved by this invention is, a kind of drive unit of automatic washing machine is provided, and the 1st purpose of the present invention is that strong revolving force is provided when washing, and strong rotary speed is provided when dehydration.

The 2nd purpose of the present invention provides and makes the structure of clutch simpler, can improve the drive unit of productive automatic washing machine thus.

The 3rd purpose of the present invention be constitute irrespectively can shared insulator with the variation of stator core lamination height upper insulator.

In order to solve the problems of the technologies described above, the technical solution used in the present invention is: the drive unit of automatic washing machine comprises: at the outer bucket of the enclosure of the profile that constitutes washing machine;

Possess several dewatering holes, have the washtub of the function of dehydration barrel;

Be arranged on the agitator of washtub bottom center;

By the last dehydrating shaft that is connected with washtub and following dehydrating shaft and be connected the dehydrating shaft of the rotation washtub that the wheel hub of upper and lower dehydrating shaft constitutes;

By the inside that is arranged at dehydrating shaft, the last wash shaft that is connected with agitator and being arranged in the wheel hub, in the process that the internal face along wheel hub rotates, reduce the revolution of motor, and a plurality of planetary gears that rotatory force is passed on the wash shaft reach the wash shaft that is provided with the following wash shaft formation of rotating planetary central gear on top;

Surround dehydrating shaft, and be divided into the bell housing of upper and lower part;

The clutch pack of the rotation of control dehydrating shaft and wash shaft;

It is characterized in that: also be included under the effect of alternating current, produce the stator module of rotating excitation field; Induced-current also produces the rotor of revolving force; Encase the external cylindrical surface of stator module and the rotor frame of fixing described rotor;

Stator module comprises: therefrom the mind-set external cylindrical surface forms the stator core of the silicon steel sheet that stacks of several ring shapes of magnetic pole; Be wrapped in the coil on the magnetic pole; Upper insulator, the lower insulator that combines with the upper and lower end of coil and stick on inside prevents the internal insulator that stator core contacts with coil; Inside at upper and lower insulator forms one with it, and structure is given prominence in the upper and lower installation that upper and lower insulator is arranged on the stator core; Stator module is arranged at the downside of bell housing, under the effect of alternating current, produces rotating excitation field;

Rotor comprises: surround the magnetic pole of stator module under the state that maintains a certain distance with stator module, and formed the rotor core that the silicon steel sheet that stacks of several holes forms along periphery; Block the Metallic rod of the hole cutting magnetic line of rotor core; Be connected two ends of Metallic rod, constitute the end ring up and down of the loop of 2 primary currents;

Rotor frame comprises: had the bearing-surface of supporting rotor lower end, be equipped with the cylinder type sidewall of the upper end fixed structure of several fixed rotor upper ends; Be provided with the chassis of the rotor sleeve that is connected with following wash shaft on the centre.

Described rotor frame adopts iron plate making, and sidewall and chassis form one.

The end of described rotor frame 530 is outwardly-bent.

Described on the cylindrical shape that has formed the hollow that forms one with it on the last bottom surface that outstanding structure is installed installation and positioning structure, and on outstanding structure is installed down, under the outstanding cylindrical shape that has formed the hollow that forms one with it outstanding structure is installed.

The described diameter that dwindles installation and positioning structure has formed the insertion projection that can be inserted in down installation and positioning structure inside.

Described upper and lower end ring and Metallic rod adopt aluminum to do.

Described upper and lower end ring and Metallic rod adopt copper to do.

Described upper and lower end ring and Metallic rod form with lost wax casting

The motor of the drive unit of automatic washing machine comprises stator module, rotor, rotor frame;

Under the effect of alternating current, the stator module that produces rotating excitation field comprises: therefrom the mind-set external cylindrical surface forms the stator core of the silicon steel sheet that stacks of several ring shapes of magnetic pole; Be wrapped in the coil on the magnetic pole; Be pasted on the upper and lower side and the inboard of stator core, prevent the insulator that stator core contacts with coil; Form one with upper insulator, and raised structures is installed in the upper end that combines with the pilot hole of stator core;

Guide current and the rotor that produces revolving force comprise: keeping under the state of certain distance the rotor core that surrounds magnetic pole of the stator and formed by the silicon steel sheet that stacks that has formed several holes along periphery with stator; Block rotor core the hole cutting magnetic line Metallic rod and be connected two ends of Metallic rod, constitute the end ring up and down of the loop of 2 primary currents;

The rotor frame that surrounds stator module and fixed rotor comprises: cylinder type sidewall, chassis; The cylinder type sidewall has the bearing-surface of supporting rotor lower end, for the upper end cylinder type sidewall of supporting rotor has rotor upper end fixed structure, rotor upper end fixed structure is the cylinder type sidewall side palintrope Qu Ercheng that cut the position that is provided with at respective rotor and top ring; Be provided with the chassis of the rotor sleeve that is connected with following wash shaft on the centre.

Described on the cylindrical shape that has formed the hollow that forms one with it on the last bottom surface that outstanding structure is installed installation and positioning structure, and on outstanding structure is installed down, under the outstanding cylindrical shape that has formed the hollow that forms one with it outstanding structure is installed.

The described diameter that dwindles installation and positioning structure has formed the insertion projection that can be inserted in down installation and positioning structure inside.

Described upper and lower end ring and Metallic rod adopt aluminum to do.

Described upper and lower end ring and Metallic rod adopt copper to do.

Described upper and lower end ring and Metallic rod form with lost wax casting.

The drive unit of automatic washing machine comprises: at the outer bucket of the enclosure horizontally set of the profile that constitutes washing machine;

Possess several dewatering holes, have the washtub of the function of dehydration barrel;

Carry out axle with the washtub that runs through the inboard setting of outer bucket and be connected, the driving force of motor is passed to the wash shaft of washtub;

Comprise: the iron plate to several circle types of having formed magnetic pole from the center to the external cylindrical surface is carried out the iron core that lamination forms; Be wrapped in the coil of the coil external cylindrical surface on the magnetic pole; The upper insulator that combines with the upper end of iron core; On the lower end, possessed the lower insulator of the rib that forms one with it and sticked on inside, prevented that the internal insulator that coil contacts with iron core from constituting, and be arranged at a side of bell housing, under the effect of alternating current, produced the stator module of rotating excitation field;

Comprise the magnetic pole that surrounds stator under the state that maintains a certain distance with stator module, and the rotor core that forms by the silicon steel sheet that stacks that has formed several holes along periphery and block the Metallic rod of rotor hole and flux effect and be connected two ends of Metallic rod, the end ring up and down that constitutes the loop circuit of 2 primary currents constitutes, thus guide current and produce the rotor of revolving force;

Comprise the bearing-surface of the lower end that has possessed supporting rotor and be equipped with the rotor frame that the external cylindrical surface that encases stator module that is provided with the chassis formation of the rotor sleeve that is connected with following wash shaft on cylinder type sidewall and the centre of upper end fixed structure of several fixed rotors upper ends is also fixed described rotor.

The invention has the beneficial effects as follows: among the present invention, below clutch, be provided with motor, therefore can simple and effective transmission revolving force.And different with existing motor is the position that has changed rotor and stator, has increased the power output of motor.And, among the present invention on upper insulator the lower end of installation and positioning structure be provided with the insertion projection, thus can with the irrelevant use insulator of the variation of the lamination of stator module

Description of drawings

Fig. 1 is the simple profilograph of existing automatic washing machine.

Fig. 2 is the partial enlarged drawing of the drive unit among Fig. 1.

Fig. 3 is the simple profilograph of the drive unit that designs of the present invention.

Fig. 4 is the stereogram of the stator module structure that designs of the present invention.

Fig. 5 is the stereogram of the rotor component construction that designs of the present invention.

Fig. 6 a is the stereogram of the state that separates with brake of the slide coupler of the clutch that designs of the present invention.

Fig. 6 b is the slide coupler of the clutch that designs of the present invention and the stereogram of state after brake combines.

Fig. 7 is the stereogram of the insulator that designs of the present invention.

Fig. 8 is the profile of the insulator combination that designs of the present invention.

Fig. 9 is the simple profilograph of existing roller washing machine.

Figure 10 is the simple profilograph of the drive unit among Fig. 9.

" to the explanation of the corresponding symbol of major part among the figure "

100: dehydrating shaft 120: go up dehydrating shaft

200: wash shaft 210: go up wash shaft

240: following wash shaft 300: bell housing

400: stator module 462: in conjunction with projection

500: rotor assembly 510: rotor

530: rotor frame 650: slide coupler

700: brake assemblies 720: brake lever

The specific embodiment

Below in conjunction with the drawings and specific embodiments the present invention is described in further detail: Fig. 3 is the concise and to the point partial structurtes profilograph of the drive unit of washing machine embodiment that designs of the present invention.Be provided with the outer bucket of splendid attire washings in the enclosure that constitutes the washing machine profile.Be provided with the washtub that has dehydrating function concurrently in the bucket outside.Run through to be provided with wash shaft 210 in the inside of washtub, and be provided with the agitator that makes slurry form positive and negative direction current in the upper end of last wash shaft 210.

And the dehydrating shaft 100 of rotating mixer directly links to each other with washtub, comprising: the last dehydrating shaft 120 that rotates washtub; Be connected with last dehydrating shaft 120, and on the inner cylinder face of lower end, formed the tubbiness cylinder 160 of inner toothed surface; Be connected the lower end of cylinder 160, the revolving force of motor passed to the following dehydrating shaft 140 of dehydrating shaft 120.

Combining of the lower end syndeton of the upper end of last dehydrating shaft 120 and washtub passes to washtub with the revolving force of motor.The octagonal structure can be adopted in the upper end of last dehydrating shaft 120, can more effectively transmit revolving force to washtub.Last dehydrating shaft 120 and cylinder 160 reach down, and dehydrating shaft 140 adopts the method for forcing to be inserted in to assemble.

And, rotate in order to support dehydrating shaft 120, between last dehydrating shaft 120 and last wash shaft 210, be provided with oiliness bearing 180.And, be fixed on the certain height in order to go up wash shaft 210, on wash shaft 210, be provided with outer surface projection 211, and utilize the last end bearing outer surface projection 211 of oiliness bearing 180.

Be equipped with the structure of when heat of high temperature takes place at the position that joins with oiliness bearing 180, introducing machine oil on the oiliness bearing 180 from the outside.That is, last wash shaft 210 is in the process of the inside of last dehydrating shaft 120 rotation, owing to rub when producing heat on oiliness bearing 180, machine oil comes out to be lubricated between last wash shaft 210 and last dehydrating shaft 120, keeps normal rotation.

And, be provided with several planetary gears 220 that when transmission of power being given wash shaft 210, reduce the number of revolutions of motor on the inner cylinder face of cylinder 160.Pass planetary gear 220 in be formed centrally through hole, and inserted on the through hole be connected with coupling piece 230 the axle 222, in planetary gear bearing 220, can carry out rotation.

And planetary gear 220 meshes with central gear 242 between the coupling piece 230 of the upper and lower side of bolster 222, carries out rotation.And when washing machine dewatered running, planetary gear 220 and cylinder 160 rotated simultaneously, so planetary gear 220 does not change around central gear 242.

And, on coupling piece 230, formed the octagonal groove of handling through circular, combine with the lower end of upper wash axle 210.

And, be provided with the following wash shaft 240 of the transmission of power of motor being given planetary gear 220 in the inside of following dehydrating shaft 140.Inserting bearing between wash shaft 240 and the following dehydrating shaft 140 down, supporting wash shaft 240 down makes its rotation more flexible.And, be provided with and planetary gear 220 engagements in the upper end of following wash shaft 240, the transmission of power of following wash shaft 240 is given the central gear 242 of planetary gear 220.

The power process that motor produces wash shaft 240 down passes to central gear 242, planetary gear 220, coupling piece 230 successively, goes up wash shaft 210.

And, the lower end of last dehydrating shaft 120 and cylinder 160, down the outside of dehydrating shaft 140 upper ends utilize screw be provided with by on the bell housing 300 that constitutes of bell housing 300a and following bell housing 300b.The effect of bell housing 300 is protection cylinders 160, and combines with upper and lower dehydrating shaft 120,140 by upper and lower bearing 330,340, supports upper and lower dehydrating shaft 120,140.

And bell housing 300 combines with interior framework on being fixed on washing machine, in order to the constituent part of fixed clutch shell 300 inside.And, the brake 660 that utilizes screw to be provided with in the lower end of bell housing 300 to combine with slide coupler 650.Formed pilot hole 664 in the lower end of brake 660, combined with the projection 652 of slide coupler 650.

Simultaneously, provide the whirligig of revolving force to comprise for dehydrating shaft 100 and wash shaft 200: to combine the stator module 400 that produces rotating excitation field with following wash shaft 240 direct-connected rotor assembly 500 with the lower end of bell housing 300 and constitute.

Fig. 4 is the stereogram after the stator module that designs of the present invention 400 launches.

As shown in the figure, stator module 400 comprises: with the stator core 420 of several silicon steel sheets that stack formation; Around forming coil 440 on the magnetic pole 426 of one with stator core 420 external cylindrical surfaces; The insulator 460,460a, 460b, the 460c that stop stator core 420 to contact with coil 440.

And described stator core 420 is that the thin silicon steel sheet of ring shape stacks together.And magnetic pole 426 forms one with stator core 420, forms the protrusion-shaped structure on the external cylindrical surface of stator core 420, can winding around 440.

And, upper and lower insulator 460a, 460b on the upper and lower end of stator core 420, have been pasted, and the internal insulator 460c that the film that has inserted the synthetic resin making in the space between magnetic pole 426 and the magnetic pole constitutes contacts with magnetic pole 426 in order to prevent coil 440.And, formed with upper and lower insulator 460a, 460b in the inside of upper and lower insulator 460a, 460b and to have formed one, be used for upper and lower insulator 460a, 460b are arranged at several upper and lower installations outstanding structure 464a, 464b on the stator stator core 420.

The upper and lower installation and positioning structure 462a, the 462b that form one with the outstanding structure 464 of upper and lower installation, 464a, 464b have been expressed among Fig. 7 and Fig. 8.

As shown in Figure 7, be provided with installation and positioning structure 462a on the cylinder type of the hollow that forms one with it at the last downside that outstanding structure 464a is installed.And, installation and positioning structure 462b under the outstanding cylindrical shape that has formed the hollow that forms one with it on outstanding structure 464b is installed down.Described columnar upper and lower installation and positioning structure 462a, 462b are inserted in the top and the bottom of the pilot hole 424 of stator stator core 420 and fix.And under above-mentioned state, screw has been inserted in the inside of running through upper and lower installation and positioning structure 462a, 462b, and screw combines with described bell housing 300b down.

As shown in Figure 8, formed the insertion projection 463 that can be inserted in following installation and positioning structure 462b inside in the lower end of last installation and positioning structure 462a diameter reduction.Shown in Fig. 8 a, when the thickness of the lamination that is inserted in the stator stator core 420 between upper and lower insulator 460a, the 460b reduced, described insertion projection 463 can be inserted in down the inside of installation and positioning structure 462b.And shown in Fig. 8 b, when the lamination thickness of stator stator core 420 increased, described insertion projection 463 can't be inserted in down among the installation and positioning structure 462b, under the state that keeps a determining deviation, combined with stator core 420 thus.

The insertion projection 463 that is provided with on the lower end of installation and positioning structure 462a in the utilization, the upper and lower insulator 460a of use, the 460b that can have nothing to do with the variation of stator core 420 thickness.

And being provided with in the side of coil 440 provides the three-phase of power supply terminal.And stator module 400 effects are under the effect of alternating current, produce rotating excitation field.

Then, Fig. 5 is the open cube display of the rotor assembly 500 that designs of the present invention.

The rotor assembly 500 that the rotating excitation field of utilizing stator module 400 to produce produces induced-current and revolving force is arranged on stator module 400 lateral surfaces.Rotor assembly 500 comprises rotor 510 that constitutes loop and the rotor frame 530 that constitutes rotor profile.

Rotor 510 comprises as shown in Figure 5: the rotor core 512 that will form the silicon steel sheet that the stacks formation of several holes 513; Run through the hole 513 of rotor core 512 and the Metallic rod 514 of cutting magnetic line; Each combines with the upper and lower end of Metallic rod 514 and constitutes 2 loops, and covers upper and lower end ring 516,518 formations of the upper and lower end of rotor coil 512.

Then, on the outside of rotor 510, be provided with rotor frame 530.Described rotor frame 530 constitutes the outward appearance of rotor 510, and the rotor 510 enforceable inside that are pressed into rotor frame 530.Described rotor frame 530 as shown in Figure 5, be by sidewall 532 and chassis 534 constitute columnar structured.

Then, on the middle position on chassis 534, formed combined hole 536, be provided with the rotor sleeve 534a that combines with following wash shaft 240 and run through combined hole.And the top of rotor sleeve 534a is provided with rotor sleeve axle 534b, with slide coupler 650 engagements.

Then, on sidewall 532, reduce diameter and formed bearing-surface 539, the lower end of supporting rotor 510 when on rotor frame 530, forcing to be pressed into rotor 510.For the upper end of supporting rotor 510, from a side-prominent upper end fixed structure 538 that formed of rotor sidewall 532.

Then, utilize screw that rotor sleeve 534a has been installed on the chassis 534, the inner recessed tooth that forms of rotor sleeve 534a and the double wedge of following wash shaft 240 lower end external cylindrical surfaces are meshing with each other.

Simultaneously, the inside that has been equipped with the rotor assembly 500 of aforesaid fixed structure 538 is provided with clutch pack 600, in order to the rotation of control dehydrating shaft 100 and wash shaft 200.

Shown in Fig. 3 and Fig. 6 a, 6b, described clutch pack 600 comprises: the clutch motor 620 that power is provided; Rotatablely moving of clutch motor 620 is converted to straight-line connector 630; The control stick 640 that optionally tilts according to the rectilinear motion of connector 630; According to the motion of control stick 640, the slide coupler 650 that on the external cylindrical surface of rotor sleeve axle 543b and following wash shaft 240, slides; Combine with the projection 652 that forms on the slide coupler 650, stop the brake 660 of wash shaft 140 rotations down.

Described clutch pack 600 utilizes screw to be fixed on down the lower end of bell housing 300b.

By Fig. 6 a and Fig. 6 b as can be known, described connector 630 comprises: the motor link 630a that links to each other with an end of clutch motor 620; Form one with motor link 630a, constitute the connector body 630b of the main body of connector 630; Run through the hole that connector body 630b go up to form, and the spring mounting structure 630c that combines with control stick 640 with hinging manner of end; Be arranged at the spring 630d that elastic force is provided on the external cylindrical surface of spring mounting structure 630c.The spring mounting structure 630c end and the bearing-surface that run through the hole of connector body 630b one side formation form one, can't break away from the spring mounting structure 630c of spring 630d thus.

And control stick 640,640a, 640b comprise: adopt type structure, the coupler supporting structure 640b of the shaft 640a of the projection that is connected with described connector 630 and direct supporting slide coupler 650.The end of described shaft 640a combines with the spring mounting structure 630c of connector 630 with hinging manner, and rotates.And, on the other end, formed the projection (not shown), combine with the pan 660c that forms on brake 660 ends.

And coupler supporting structure 640b is divided into two parts from shaft 640a.Slide coupler 650 can be stable be arranged on two upper ends in the part.And, on the side of coupler supporting structure 640b, formed the projection (not shown) that supports the spring 660e of brake 660.

Slide coupler 650 is the cylinder types that formed serrated face on inner cylinder face, is provided with the projection 652 that combines with brake 660 in the top.And slide coupler 650 is attached on the external cylindrical surface at the upper end of rotor sleeve axle 534b and the position that following dehydrating shaft 240 lower ends join.The inner cylinder face of slide coupler 650 axially on formed serrated face, rotor sleeve axle 534b and following dehydrating shaft 240 are together rotated.

And, slide coupler 650 can rotor sleeve axle 534b and following dehydrating shaft 240 simultaneously clamp the 1st position (upper side position) and descending on the 2nd position (lower position) of dehydrating shaft 240 clamps to slide up and down.

And brake 660 comprises: utilize screw that clutch pack 600 is installed in down projection through hole 660a on the bell housing 300b; Be arranged at the side of pilot hole, the combined hole 660b that combines with the projection 652 of slide coupler 650; Combine rotary hinge 660c with shaft 640a end; The bar supporting structure 660d of supporting shaft 640a; When the motion that clutch supporting structure 640b tilts, provide the spring 660e of elastic force; The spring-loaded structure 660f of support spring 660e.

With reference to Fig. 3 and Fig. 6 a, Fig. 6 b, the course of action of clutch pack 600 is described.Expressed the structure of whole clutch pack 600 among Fig. 3.And, expressed connector 630, control stick 640, slide coupler 650, brake 660 in described the 1st position that slide coupler 650 meshes with following dehydrating shaft 140 and rotor sleeve 534a simultaneously among Fig. 6 a.And represented among Fig. 6 b that slide coupler 650 has only the described the 2nd locational connector 630, control stick 640, slide coupler 650, the brake 660 that meshes with following dehydrating shaft 140.

Below, to the conversion process from Fig. 6 a to Fig. 6 b, i.e. the action of upwards sliding for slide coupler 650 describes.

At first, under the control of microcontroller, rotate clutch motor 620.Because rotatablely moving of clutch motor 620, connector 630 moves to clutch motor 620.Then, by moving of connector 630, the control stick 640 among Fig. 6 is that the upper end of axostylus axostyle body 640a tilts to clutch motor 620 with hinge 660c.And because shaft 640a tilts, 640b is downward-sloping for the coupler supporting construction, so that its end down.

At this moment, the serrated face that the slide coupler 650 that is positioned at coupler supporting structure 640b upper end forms on serrated face that forms on the dehydrating shaft lower end external cylindrical surface down and rotor sleeve axle 534b external cylindrical surface upwards slides (the 2nd position), and projection 652 is combined with the combined hole 660b of brake 660.

Effect for the spring 630d that forms on the connector 630 describes.Described spring 630d is clipped between the projection of the side of connector body 630b and spring mounting structure 630c, gives elastic force for control stick 640, to guarantee the proper motion of slide coupler 650.When slide coupler 650 slides up and down, the engagement that the serrated face that forms on the external cylindrical surface of serrated face that forms on slide coupler 650 inner cylinder faces and following wash shaft 240 and rotor sleeve axle 534b can't be correct.Therefore, design is during washing machine, make motor can be on left and right directions when slide coupler 650 slides up and down small rotation.

As described above, during the motor left-right rotation, the serrated face of slide coupler 650 inner cylinder faces can with external cylindrical surface moment engagement of following wash shaft 240 and rotor sleeve axle 534b.Then, when at this moment slide coupler 650 possessed elastic force and is subjected to the power of upwards slip, each serrated face can mesh more flexibly.Elastic force when guaranteeing that slide coupler 650 moves up is provided with spring 630d in the inside of connector 630.

And, in order to control the rotation of cylinder 160, run through the side of following bell housing 300b and formed brake assemblies 700 to bell housing 300 outside giving prominence to.Brake assemblies 700 is used for washing machine and carries out rinsing running, when having only wash shaft 200 rotations and washing machine dewater the running dehydrating shaft when needing the moment stall.

As shown in Figure 3, described brake assemblies 700 comprises: the control stick of handling 720; The perforation axle 740 that bell housing 300b is connected under running through bell housing 300a and brake lever 720 reaching; Be connected with perforation axle 740, give the tripping spring 760 of elastic force for brake lever 720; Be connected the brake pad 780 that starts cylinder 160 with brake lever 720, when pressing control stick 720 downwards, combine, play the Brake hinge axle 790 of hinge with the end of brake pad 780.

Described brake assemblies 700 is worked under the driving of brake motor.When brake motor is not worked, and under halted state, the brake pad 780 of brake assemblies 700 shrinks, and encases cylinder 160.But, brake motor work and when pressing brake lever 720, the state that relaxes is kept in brake pad 780 pullings that are connected with brake lever 720 on cylinder 160.

With reference to Fig. 3 the course of work of described drive unit when washing machine carries out rinsing and dehydration running described.

As above the drive unit of Gou Chenging carries out following action when washing machine carries out the rinsing running.At first, during the rinsing running, after clutch motor 620 started, control stick 640 tilted, and coupler supporting structure 640b upwards slides slide coupler 650, made itself and following dehydrating shaft 240 engagements (the 2nd position).And for drive motor, rotor 510 following wash shaft 240 are the center, rotation around stator module 400.

At this moment, the transmittance process of revolving force is as follows.The revolving force that rotor assembly 500 rotation produces is delivered on the rotor sleeve 534a of rotor frame 530 and the following wash shaft 240 that combines with rotor sleeve 534a, star gear 220, coupling piece 230, the wash shaft 210.The following dehydrating shaft 240 of described dehydrating shaft 100 is subjected to the constraint of slide coupler 650, can not rotate.

Planetary gear 220 has been subjected to the constraint of brake assemblies 700 because of the cylinder 160 of dehydrating shaft 100, so is revolving round the sun on the direction identical with the rotation direction of central gear when the direction of the direction of rotation of the central gear 242 of wash shaft 240 is carried out autobiography down.Along with the revolution of planetary gear 242, the last wash shaft 210 that is connected with coupling piece 230 is in the rotation of the inside of last dehydrating shaft 120.

When dewatering running, direction when the rotation direction of clutch motor 620 turns round with rinsing is opposite, and action bars 640 arrives vertical position, and coupler supporting structure 640b moves down in order to make slide coupler 650 be connected (the 1st position) with rotor sleeve 534a with following dehydrating shaft 240 simultaneously.That is, the projection 652 of slide coupler 650 is separated with the pilot hole 664 of brake 660, and slide coupler 650 is moved downwards by the weight of self.

The transmittance process of revolving force at this moment is as follows.The revolving force that produces during rotor assembly 500 rotation is delivered in the rotor sleeve 534a of rotor frame 530 and the following wash shaft 240 that combines with rotor sleeve 534a, star gear 220, the wash shaft 210.Then, because of slide coupler 650 is connected with following dehydrating shaft 140 with rotor sleeve 534a simultaneously, so the revolving force of rotor sleeve 534a is that carrier transfer is to descending dehydrating shaft 140 and cylinder 160 and going up on the dehydrating shaft 120 with slide coupler 650.That is, because motor start-up, wash shaft 200 is rotated with identical speed simultaneously with dehydrating shaft 100, dewaters.

Planetary gear 220 is identical with following wash shaft 240 because of the rotary speed of the cylinder 160 of dehydrating shaft 100, does not therefore carry out autobiography, but revolves round the sun on the direction identical with the direction of rotation of central gear 242.

With reference to Fig. 9 and Figure 10 an alternative embodiment of the invention is described.The drive unit of present embodiment is same as the previously described embodiments on principle.

Fig. 9 is the simple partial longitudinal section of the roller washing machine among another embodiment, and Figure 10 is the concise and to the point profilograph of laundry drum machine actuating device of Fig. 9.

Fig. 9 is the profile of the roller washing machine that designs of the present invention, and roller washing machine comprises: be arranged in the shell, and by the outer bucket 10` of damper D and spring S supporting; The washtub 20` of rotary cylinder type in the bucket 10` outside; Be arranged at outer bucket 10` downside, the drive unit that under the control of power supply, rotates.

Be provided with wash shaft 200` for the washtub 20` transmission of drive force of giving the roller washing machine that as above constitutes.As shown in figure 10, the end of wash shaft 200` is inserted among the clutch plate 30` of washtub 20` back, the other end and rotor sleeve 534a` engagement.And the revolving force of drive unit is delivered to and rotates washtub 20` among the wash shaft 200`.Because the rotation of washtub 20`, washings have been got rid of the back because own wt falls, and carry out rinsing thus.

And, be equipped with the door R corresponding with the peristome of washtub 20` in the front of roller washing machine.And, be equipped with sealing gasket G between door R and the washtub 20`, and be provided with order, the controller C of control washing machine running according to the user in the top of door R.

Simultaneously, with reference to Figure 10 the structure of the profilograph of the drive unit of the present invention's design is described in detail.

As shown in figure 10, provide the tumbler of revolving force to comprise for wash shaft 200`: the rear side that directly is connected the rotor assembly 500` on the wash shaft 200` and is arranged at washing machine 20` produces the stator module 400 of rotating excitation field.Maintain a certain distance between described rotor assembly 500` and the stator module 400` external cylindrical surface that bell housing 300` lower end combines, and constitute the form of surrounding stator module 400`.

Described stator module 400` comprises: the stator core 420` that is formed by several silicon steel sheets that stack; Be entangled in the coil 440` of stator core 420` external cylindrical surface; Prevent the insulator (not shown) that stator core 420` contacts with coil 440`.

And the rotor assembly 500` that the magnetic field that utilizes stator module 400` to produce produces induced-current and revolving force is positioned on the external cylindrical surface of stator module 400`.

The structure that is applicable to the rotor assembly 500` of described roller washing machine and stator module 600` self is identical with aforesaid example in fact.

By above explanation as can be known, the present invention replace existing make motor and clutch pack respectively after, the preparation method of utilizing belt to connect has again directly connected motor at the downside of clutch pack, thus power is directly passed to clutch.

And the outside that rotor assembly is arranged on stator module has increased the power of motor.And, technological guidance's thinking of the present invention for the irrelevant use insulator of the variation of the lamination of stator module, and the lower end of installation and positioning structure is provided with the insertion projection on upper insulator.

Claims (15)

1. the drive unit of an automatic washing machine comprises: at the outer bucket of the enclosure of the profile that constitutes washing machine;

Possess several dewatering holes, have the washtub of the function of dehydration barrel;

Be arranged on the agitator of washtub bottom center;

By the last dehydrating shaft (110) that is connected with washtub and following dehydrating shaft (120) and be connected the dehydrating shaft (100) of the rotation washtub that the wheel hub (160) of upper and lower dehydrating shaft (120,140) constitutes;

By the inside that is arranged at dehydrating shaft (120), the last wash shaft (210) that is connected with agitator and being arranged in the wheel hub (160), at the revolution that in the process of the internal face of wheel hub (160) rotation, reduces motor, and rotatory force passed to a plurality of planetary gears (220) on the wash shaft (210) and be provided with the wash shaft (200) of following wash shaft (240) formation of the central gear that rotates planetary gear (220) on top;

Surround dehydrating shaft (100), and be divided into the bell housing of lower part (300);

The clutch pack (600) of the rotation of control dehydrating shaft (100) and wash shaft (200);

It is characterized in that: also be included under the effect of alternating current, produce the stator module (400) of rotating excitation field; Induced-current also produces the rotor (510) of revolving force; Encase the outside of stator module (400) and the rotor frame (530) of fixing described rotor (510);

Stator module (400) comprising: therefrom the mind-set external cylindrical surface forms the stator core (420) of the silicon steel sheet that stacks of several ring shapes of magnetic pole; Be wrapped in the coil (440) on the magnetic pole; On coil (440), the upper insulator of bottom combination (460a), lower insulator (460b) and stick on inside prevent the internal insulator (460c) that stator core (420) contacts with coil (440); Inside at upper and lower insulator (460a, 460b) forms one with it, and structure (464a, 464b) is given prominence in the upper and lower installation that upper and lower insulator (460a, 460b) is arranged on the stator core (420); Stator module (400) is arranged at the downside of bell housing (300), under the effect of alternating current, produces rotating excitation field;

Rotor (510) comprising: surround the magnetic pole (426) of stator module under the state that maintains a certain distance with stator module (400), and formed the rotor core (512) that the silicon steel sheet that stacks of several holes forms along periphery; Block the Metallic rod (514) of the hole cutting magnetic line of rotor core (512); Be connected two ends of Metallic rod (514), constitute the end ring up and down (516,518) of the loop of 2 primary currents;

Rotor frame (530) comprising: had the bearing-surface (539) of supporting rotor (510) lower end, be equipped with the cylinder type sidewall (532) of the upper end fixed structure (538) of several fixed rotors (510) upper ends; Be provided with the chassis (534) of the rotor sleeve (534a) that is connected with following wash shaft (240) on the centre.

2. the drive unit of automatic washing machine according to claim 1 is characterized in that: the making of rotor frame (530) employing iron plate, and sidewall (532) and chassis (534) formation one.

3. the drive unit of automatic washing machine according to claim 1 is characterized in that: the end of rotor frame (530) is outwardly-bent.

4. the drive unit of automatic washing machine according to claim 1, it is characterized in that: installation and positioning structure (462a) on the cylindrical shape that has formed the hollow that forms one with it on the last bottom surface that outstanding structure (464a) is installed, and on outstanding structure (464b) is installed down, under the outstanding cylindrical shape that has formed the hollow that forms one with it outstanding structure (462b) is installed.

5. the drive unit of automatic washing machine according to claim 4 is characterized in that: the diameter that dwindles installation and positioning structure (462a) has formed and can be inserted in down the inner insertion projection (463) of installation and positioning structure (462b).

6. the drive unit of automatic washing machine according to claim 1 is characterized in that: described upper and lower end ring (516,518) and Metallic rod (514) employing aluminum work.

7. the drive unit of automatic washing machine according to claim 1 is characterized in that: described upper and lower end ring (516,518) and Metallic rod (514) employing copper work.

8. the drive unit of automatic washing machine according to claim 1, it is characterized in that: described upper and lower end ring (516,518) and Metallic rod (514) form with lost wax casting

9. the drive unit of an automatic washing machine, it is characterized in that: the motor of drive unit comprises stator module (400), rotor (510), rotor frame (530);

Under the effect of alternating current, the stator module (400) that produces rotating excitation field comprising: therefrom the mind-set external cylindrical surface forms the stator core (420) of the silicon steel sheet that stacks of several ring shapes of magnetic pole; Be wrapped in the coil (440) on the magnetic pole; Be pasted on the upper and lower side and the inboard of stator core (420), prevent the insulator (460a, 460b, 460c) that stator core (420) contacts with coil (440); Form one with upper insulator (460a), and raised structures (464a) is installed in the upper end that combines with the pilot hole (424) of stator core (420);

Guide current and the rotor (510) that produces revolving force comprising: keeping under the state of certain distance the rotor core (512) that surrounds magnetic pole of the stator (426) and formed by the silicon steel sheet that stacks that has formed several holes along periphery with stator (400); Block rotor core (512) the hole cutting magnetic line Metallic rod (514) and be connected two ends of Metallic rod (514), constitute the end ring up and down (516,518) of the loop of 2 primary currents;

The rotor frame (530) that surrounds stator module (400) and fixed rotor (510) comprising: cylinder type sidewall (532), chassis (534); Cylinder type sidewall (532) has the bearing-surface (539) of supporting rotor (510) lower end, for the upper end cylinder type sidewall (532) of supporting rotor (510) has rotor upper end fixed structure (538), rotor upper end fixed structure (538) is that bending forms behind cylinder type sidewall (532) side that the position incision is set of respective rotor (510) and top ring (516); Be provided with the chassis (534) of the rotor sleeve (534a) that is connected with following wash shaft (240) on the centre.

10. the drive unit of automatic washing machine according to claim 9, it is characterized in that: installation and positioning structure (462a) on the cylindrical shape that has formed the hollow that forms one with it on the last bottom surface that outstanding structure (464a) is installed, and on outstanding structure (464b) is installed down, under the outstanding cylindrical shape that has formed the hollow that forms one with it outstanding structure (462b) is installed.

11. the drive unit of automatic washing machine according to claim 10 is characterized in that: the diameter that dwindles installation and positioning structure (462a) has formed and can be inserted in down the inner insertion projection (463) of installation and positioning structure (462b)

12. the drive unit of automatic washing machine according to claim 9 is characterized in that: described upper and lower end ring (516,518) and Metallic rod (514) adopt aluminum to do.

13. the drive unit of automatic washing machine according to claim 9 is characterized in that: described upper and lower end ring (516,518) and Metallic rod (514) adopt copper to do.

14. the drive unit of automatic washing machine according to claim 9 is characterized in that: described upper and lower end ring (516,518) and Metallic rod (514) form with lost wax casting.

15. the drive unit of an automatic washing machine is characterized in that: comprising: at the outer bucket of the enclosure horizontally set of the profile that constitutes washing machine;

Possess several dewatering holes, have the washtub of the function of dehydration barrel;

Carry out axle with the washtub that runs through the inboard setting of outer bucket and be connected, the driving force of motor is passed to the wash shaft of washtub;

Comprise: the iron plate to several circle types of having formed magnetic pole from the center to the external cylindrical surface is carried out the iron core that lamination forms; Be wrapped in the coil of the coil external cylindrical surface on the magnetic pole; The upper insulator that combines with the upper end of iron core; On the lower end, possessed the lower insulator of the rib that forms one with it and sticked on inside, prevented that the internal insulator that coil contacts with iron core from constituting, and be arranged at a side of bell housing, under the effect of alternating current, produced the stator module of rotating excitation field;

Comprise the magnetic pole that surrounds stator under the state that maintains a certain distance with stator module, and the rotor core that forms by the silicon steel sheet that stacks that has formed several holes along periphery and block the Metallic rod of rotor hole and flux effect and be connected two ends of Metallic rod, the end ring up and down that constitutes the loop circuit of 2 primary currents constitutes, thus guide current and produce the rotor of revolving force;

Comprise the bearing-surface of the lower end that has possessed supporting rotor and be equipped with the rotor frame that the external cylindrical surface that encases stator module that is provided with the chassis formation of the rotor sleeve that is connected with following wash shaft on cylinder type sidewall and the centre of upper end fixed structure of several fixed rotors upper ends is also fixed described rotor.

Images