CN204434985U - A kind of decelerating clutch of washing machine and washing machine - Google Patents

Abstract

The utility model provides a kind of decelerating clutch of washing machine and washing machine, speed-reducing clutch comprises deceleration device, deceleration device comprises housing, the train being arranged on the braked wheel in housing and being arranged in braked wheel, the input of described train connects power shaft and input axle sleeve respectively, output connects output shaft and dehydrating shaft respectively, it is characterized in that, upper end and the dehydrating shaft of described braked wheel are rigidly connected, lower end is arranged on power shaft and puts, between the lower end of described braked wheel and housing, clutch shaft bearing is installed, second bearing is installed between the upper end of braked wheel and housing, or the second bearing is installed between the lower end of described dehydrating shaft and housing.Dehydrating shaft of the present utility model is fixedly connected with braked wheel, and the top and bottom of braked wheel arrange rolling bearing respectively, therefore, better supporting role can be carried out to dehydrating shaft, prevent bucket in dehydration from rocking, also reduce interior bucket simultaneously and rock the damage that speed-reducing clutch is caused.

Description

A kind of decelerating clutch of washing machine and washing machine

Technical field

The utility model relates to washing machine technology field, particularly, relates to a kind of decelerating clutch of washing machine and washing machine.

Background technology

Two-power washing machine is a kind of novel pulsator washing machine, its main feature is when washing, the interior bucket of washing machine and impeller can rotate with contrary direction, different rotating speeds, what make washings in the process of washing, be subject to interior bucket and impeller oppositely turns power, play and carry out washing the effect of washing by rubbing with the hands to washings, higher to washings wash cleanliness.

Washing machine interior bucket and impeller when washing rotate backward and mainly rely on the speed-reducing clutch of washing machine to realize, the speed-reducing clutch of existing washing machine bi-directional drive is generally adopt planet fixed shaft gear train drive mechanism, gear drive and movable tooth drive mechanism, because general gear drive noise when positive and negative Bidirectional driving is large, and the manufacturing cost of movable tooth drive mechanism is high, therefore, planet fixed shaft gear train transmission mechanism is widely used.

Application number is the Chinese utility model patent of 03239381.4, it is primarily of power shaft, output shaft, output sleeve, input axle sleeve, braked wheel and the Dual Drive gear mechanism composition being arranged on braked wheel inside, power shaft, output sleeve and output shaft are connected with Dual Drive gear mechanism respectively, between braked wheel and output sleeve parts, arrangement of clutch are housed.During washing operating mode, output shaft and output sleeve are mutually reverse, two-wayly drive in proportion, swing rotary repeatedly, and relative strength rubs pendulum with the hands.During dehydration condition, by the locking effect of arrangement of clutch, output shaft and output sleeve can be made automatically to combine, make the unidirectional continuous rotation of high speed, centrifugal dehydration simultaneously.

But, have the washing machine of above-mentioned speed-reducing clutch in washing process, interior bucket and impeller rotate backward frequently, and interior bucket produces moment of inertia and acts directly on freewheel clutch, and along with the increase of washing of drum type washing machine capacity, often there is quality problem because freewheel clutch is bad.In interior bucket rotary course, often can produce reaction force to the unilateral bearing of bottom, easily there is failure phenomenon in unilateral bearing, and meanwhile, during with regard to there will be washing, clutch spring is held tightly and causes clutch spring to damage.In addition, because dehydrating shaft is separated with braked wheel, and be connected with speed-reducing clutch, interior bucket has the swing of the slight amplitude of oscillation under dewatering state, act directly on dehydrating shaft, and the bearings bias of dehydrating shaft is comparatively large, causes dehydrating shaft one end to be subject to moment of torsion comparatively large, the vibrations of washing machine can be increased simultaneously and occur noise.

In view of this, special proposition the utility model.

Utility model content

In order to solve the problems of the technologies described above, the utility model provides a kind of decelerating clutch of washing machine, particularly, have employed following technical scheme:

A kind of decelerating clutch of washing machine, comprise deceleration device, deceleration device comprises housing, the train being arranged on the braked wheel in housing and being arranged in braked wheel, the input of described train connects power shaft and input axle sleeve respectively, output connects output shaft and dehydrating shaft respectively, upper end and the dehydrating shaft of described braked wheel are rigidly connected, lower end is arranged on power shaft and puts, between the lower end of described braked wheel and housing, clutch shaft bearing is installed, second bearing is installed between the upper end of braked wheel and housing, or the second bearing is installed between the lower end of described dehydrating shaft and housing.

Further, described dehydrating shaft comprises axis body and axle bed, and the upper end of described axis body is fixedly connected with the washtub of washing machine, and the lower end of axis body is fixedly connected with axle bed or one-body molded; Described axis body is arranged the axis body through hole being used for output shaft and passing; Axle bed and the braked wheel of described dehydrating shaft are rigidly connected; The second described bearing is arranged on the junction of axis body lower end and axle bed.

Further, described axis body is bar shape, and described axle bed is in the form of annular discs, described axis body lower end and axle bed one-body molded, described axle bed is formed by the lower end outward flanging of axis body; Described axle bed and the junction of axis body arrange the positioning boss of location second installing positions of bearings.

Further, described braked wheel offers opening near one end of dehydrating shaft, and the axle bed of described dehydrating shaft is fixedly connected with by the mode of riveting with braked wheel opening, and the axle bed of described dehydrating shaft covers the opening of braked wheel completely.

Further, described braked wheel comprises braking wheel cap and has the braked wheel body of internal chamber, upper end and the dehydrating shaft of braked wheel body are rigidly connected, opening is offered in the lower end of braked wheel body, and braking wheel cap is riveted on the lower end of braked wheel body and covers the closed interior chamber formed on the opening of braked wheel body for arranging train; Described clutch shaft bearing is arranged between braking wheel cap and housing, and the second described bearing is arranged between braked wheel body and housing.

Further, described braking wheel cap is disk-like structure, opening is offered in the center of disk-like structure, the power shaft that the opening sleeve of described braking wheel cap is contained in washing machine puts, the opening part of the described braking wheel cap certain distance that axially stretches out forms clutch shaft bearing installation portion, described clutch shaft bearing is arranged between clutch shaft bearing installation portion and housing

Preferably, install at least two between described clutch shaft bearing installation portion and input axle sleeve and overlap the 3rd bearing, the 3rd described bearing is rolling bearing.

Further, described housing comprises the upper shell and lower house respectively with internal chamber, and upper shell and lower house are fixedly connected to form the closed interior chamber for arranging braked wheel; On a mounting board, lower house is positioned at the bottom of installing plate, the top reaching installing plate at least partly of upper shell for described upper shell and lower house fixed installation; End, the upper end center position of described upper shell caves inward formation second axle bearing mount portion, the second described bearing is arranged on the second axle bearing mount portion, the lower end center position of described lower house caves inward and forms clutch shaft bearing installation portion, and described clutch shaft bearing is arranged on clutch shaft bearing installation portion; Preferably, described clutch shaft bearing, the second bearing are rolling bearing.

Further, described train comprises double-layer planet gear train, lower floor's train of double-layer planet gear train comprises lower floor's central gear, the lower floor's planetary gear be engaged with, lower floor's planetary wheel carrier and lower floor's ring gear, lower floor's central gear is fixedly connected with power shaft, lower floor's planetary gear engages with lower floor ring gear, and lower floor's ring gear bottom is fixedly connected with input axle sleeve; The upper strata train of double-layer planet gear train comprises upper strata central gear, the upper strata planetary gear be engaged with, upper strata planetary wheel carrier and upper strata ring gear, upper strata central gear is connected with output shaft, upper strata planetary gear engages with upper strata ring gear, and upper strata ring gear and braked wheel are fixed by spline joint; The center position of described lower floor's planetary wheel carrier is fixedly connected with upper strata central gear, and described upper strata planetary wheel carrier and lower floor's ring gear are fixed by spline joint; The peripheral outer wall of the corresponding train place, upper strata of described braked wheel madial wall, upper strata ring gear arranges spline tooth respectively, braked wheel madial wall has gap between train place of corresponding lower floor and lower floor's ring gear.

Further, also comprise arrangement of clutch, described arrangement of clutch comprises clutch axle sleeve and drives the shift fork of clutch axle sleeve, described clutch axle sleeve is fixedly connected with input axle sleeve and can realizes dewatering and washing along inputting sliding axially of axle sleeve, clutch axle sleeve is positioned at the cavity of the stator of direct driving motor, the cavity that described shift fork one end is positioned at stator and clutch shaft overlap to contact to be stirred clutch shaft and overlaps axially-movable, the other end is positioned at the outside drive unit also connected for shift fork motion of cavity of stator, one buffer structure is set between described drive unit and shift fork, described buffer structure is an elastic component, described elastic component is compressed or power needed for stretching is greater than the power of stirring needed for clutch axle sleeve.

Further, described direct driving motor comprises rotor and is arranged on the stator in rotor, described stator interior has cavity, the clutch axle sleeve of decelerating clutch of washing machine is set in the cavity of stator, described clutch axle sleeve upward sliding engages with stator and realizes washing procedure, and clutch axle sleeve slide downward engages with rotor and realizes dehydration procedure; Described stator is arranged and is used for engaging with clutch axle sleeve and makes its fixing stator engaging piece.

The utility model provides the washing machine of the decelerating clutch of washing machine described in a kind of above-mentioned any one simultaneously.

Dehydrating shaft of the present utility model is fixedly connected with braked wheel, and the top and bottom of braked wheel arrange rolling bearing respectively, therefore, better supporting role can be carried out to dehydrating shaft, prevent bucket in dehydration from rocking, also reduce interior bucket simultaneously and rock the damage that speed-reducing clutch is caused.

In addition, all non-rolling bearing of bearing that the utility model uses, does not adopt unilateral bearing, avoids unilateral bearing and loses efficacy and the phenomenon that speed-reducing clutch cannot brake occurs, and therefore, speed-reducing clutch of the present utility model is more reliable, longer service life.

Accompanying drawing explanation

Sectional view in the washing process of Fig. 1 the utility model embodiment one;

Sectional view in the dehydration of Fig. 2 the utility model embodiment one;

The structural blast figure of Fig. 3 the utility model embodiment one;

The perspective view of the upper strata train assembly relation of Fig. 4 the utility model embodiment one;

The upper strata train of Fig. 5 the utility model embodiment one and the perspective view of braked wheel assembly relation;

The perspective view of lower floor's train assembly relation of Fig. 6 the utility model embodiment one;

Lower floor's train of Fig. 7 the utility model embodiment one and power shaft overlap the perspective view of assembly relation;

The structural blast figure of Fig. 8 the utility model embodiment two;

The perspective view of Fig. 9 the utility model embodiment four dehydrating shaft;

The perspective view of Figure 10 the utility model embodiment four braked wheel;

The braked wheel of Figure 11 the utility model embodiment four and the assembling explosive view of dehydrating shaft;

The perspective view of the direct driving motor of Figure 12 the utility model embodiment five;

The explosive view of the direct driving motor of Figure 13 the utility model embodiment five;

The another kind of structural representation of Figure 14 the utility model embodiment five stator;

The rotor structure schematic diagram of Figure 15 the utility model embodiment five;

The explosive view of the decelerating clutch of washing machine of Figure 16 the utility model embodiment five;

The speed-reducing clutch braking of Figure 17 the utility model embodiment six, clutch structure figure;

The shifting fork structure figure of Figure 18 the utility model embodiment six;

The shifting fork structure figure of Figure 19 the utility model embodiment six;

The installation diagram that the power shaft of Figure 20 the utility model embodiment five and torque transmissioning shaft overlap;

Figure 21 sectional view of the present utility model.

Label declaration in accompanying drawing: 1-power shaft, 2-inputs axle sleeve, 3-lower floor central gear, 4-lower floor planetary gear, 5-lower floor planetary wheel carrier, 6-lower floor ring gear, 7-upper strata planetary wheel carrier, 8-upper strata planetary gear, 9-upper strata central gear, 10-upper strata ring gear, 11-braked wheel, 12-dehydrating shaft, 13-output shaft, 14-upper shell, 15-lower house, 16-stator 17-rotor, 18-torque transmissioning shaft cover, 19-clutch axle sleeve, 20-shift fork, 21-brake band, 22-brake arm, 23-central shaft 24-clutch shaft bearing, 25-second bearing, 26-the 3rd bearing, 27-linking arm, 29-buffer structure, 30-fixture, 31-torsion spring, 32-traction electric machine, 33-circuit board, 34-stop nut, 35-elastomeric pad, 36-back-moving spring, 201-inputs sleeve body, 202-power shaft block set, 203-inputs axle sleeve joint pin, 501-lower floor planetary gear stand, joint pin under 502-, 503-lower planet wheel shaft, 504-lower floor planetary wheel carrier lid, 505-lower floor planetary wheel carrier connecting portion, installing hole 601-lower floor ring gear internal tooth under 506-, 602-lower floor ring gear connecting portion, 603-lower floor ring gear installing hole, 701-upper strata planetary wheel carrier lid, 702-upper planet wheel shaft, the upper joint pin of 703-, 704-upper strata planetary gear stand, the upper installing hole of 705-, 901-upper strata central gear mount pad, 1001-upper strata ring gear internal tooth, 1002-upper strata ring gear connecting portion, 1101-braked wheel connecting portion, 1102-caulking part, 1104-brakes wheel cap, 1105-braked wheel body, 1103-braked wheel installation portion, 1201-axis body, 1202-axle bed, 1203-axis body through hole, 1501-space, 1502-sidewall, 1503-first lower surface, 1504-second sidewall, 1505-the 3rd lower surface, 1601-stator body, 1602-stator connecting portion, 1603-connecting portion, 1604-shift fork mouth, 1605-stator installing hole, 1606-stator locating dowel, 1607-stator engaging piece, 1608-installation portion, 1609-motor connection jaws, 1701-rotor connecting portion, 1801-torque transmissioning shaft cover engaging piece, 1802-cylindrical body, 1803-central through hole, 2701-second push jack, 2702-the 3rd push jack, 29-buffer structure, 2901-bearing pin, 2902-end cap, 2903-nut, 2904-spring.

Detailed description of the invention

Below in conjunction with accompanying drawing, a kind of decelerating clutch of washing machine of the present utility model is described in detail:

A kind of decelerating clutch of washing machine of the present utility model, comprise deceleration device, deceleration device comprises housing, the train being arranged on the braked wheel 11 in housing and being arranged in braked wheel 11, the input of described train connects power shaft 1 and input axle sleeve 2 respectively, output connects output shaft 13 and dehydrating shaft 12 respectively, upper end and the dehydrating shaft 12 of described braked wheel 11 are rigidly connected, lower end is arranged on input axle sleeve 2, between the lower end of described braked wheel 11 and housing, clutch shaft bearing 24 is installed, braked wheel 11 and the second bearing 25 is installed between upper end and housing, or the second bearing 25 is installed between the lower end of described dehydrating shaft 12 and housing.

Dehydrating shaft 13 of the present utility model is fixedly connected with braked wheel 11, and the top and bottom of braked wheel 11 arrange rolling bearing respectively, therefore, better supporting role can be carried out to dehydrating shaft 13, prevent washtub in dehydration from rocking, also reduce washtub simultaneously and rock the damage that speed-reducing clutch is caused.

Particularly, the mounting means of described clutch shaft bearing 24, second bearing 25 can different and different according to the rigid connection of braked wheel 11 and dehydrating shaft 13, and concrete have employed following two kinds of technical schemes:

Scheme one

Dehydrating shaft 12 described in the utility model comprises axis body 1201 and axle bed 1202, and the described upper end of axis body 1201 is fixedly connected with the washtub of washing machine, and the lower end of axis body 1201 is fixedly connected with axle bed 1202 or one-body molded; Described axis body (1201) is upper arranges the axis body through hole 1203 being used for output shaft 13 and passing; Axle bed 1202 and the braked wheel 11 of described dehydrating shaft 12 are rigidly connected; The second described bearing 25 is arranged on the junction of axis body 1201 lower end and axle bed 1202.

Further, described axis body 1201 is in bar shape, and described axle bed 1202 is in the form of annular discs, described axis body 1201 lower end and axle bed 1202 one-body molded, described axle bed 1202 is formed by the lower end outward flanging of axis body 1201; Described axle bed 1202 and the junction of axis body 1201 arrange the positioning boss of bearing 25 installation site, location second.

Further, described braked wheel 11 offers opening near one end of dehydrating shaft 12, and the axle bed 1202 of described dehydrating shaft 12 is fixedly connected with by the mode of riveting with braked wheel 11 opening, and the axle bed 1202 of described dehydrating shaft 12 covers the opening of braked wheel 11 completely.

The connected mode of braked wheel 11 of the present utility model and dehydrating shaft 12 is that dehydrating shaft 12 is riveted with the upper end of braked wheel 11, make the assembling between braked wheel 11 and dehydrating shaft 12 convenient like this, owing to have employed such mounting means, the assemble sequence of speed-reducing clutch of the present utility model is changed thereupon, and the utility model adopts and assembles from output shaft 13 end to the mode of power shaft 1 end.Such assembling mode is more suitable for the assembling of the train of speed-reducing clutch of the present utility model and speed-reducing clutch and power shaft 1, input assembling between axle sleeve 2, output shaft 13 and dehydrating shaft 12, the program of assembling more is rationalized, the globality of assembling is also higher, and the service life of corresponding speed-reducing clutch of the present utility model is also longer.

Scheme two

As shown in figure 17, a kind of decelerating clutch of washing machine of the present utility model, comprise deceleration device, the train that deceleration device comprises braked wheel 11 and is arranged in braked wheel 11, it is characterized in that, described braked wheel 11 comprises braking wheel cap 1104 and has the braked wheel body 1105 of internal chamber, upper end and the dehydrating shaft 12 of braked wheel body 1105 are rigidly connected, opening is offered in the lower end of braked wheel body 1105, braking wheel cap 1104 is fixedly connected on the lower end of braked wheel body 1105 and covers form closed internal chamber on the opening of the lower end of braked wheel body 1105, described train is arranged in the internal chamber closed between braked wheel body 1105 and braking wheel cap 1104.

Particularly, described braking wheel cap 1104 is disk-like structure, opening is offered in the center of disk-like structure, and the opening sleeve of described braking wheel cap 1104 is contained on the input axle sleeve 2 of washing machine, and braking wheel cap 1104 is fixed by the mode of riveting with the opening of braked wheel body 1105.

Further, the opening part of described braked wheel body 1105 arranges caulking part, and the thickness that the inner wall thickness of described caulking part is less than braked wheel body 1105 circumferential side wall makes to form the ledge structure for spacing braking wheel cap 1104 between the inwall of the inwall of caulking part and braked wheel body 1105; The axial height of described caulking part is greater than the thickness of braking wheel cap 1104.

Further, a kind of reduction clutch of washing machine stated, it is characterized in that, the opening part of described braking wheel cap 1104 certain distance that axially stretches out forms axle bearing mount portion, arranges at least two and overlap the 3rd bearing 26 between the axle bearing mount portion of described braking wheel cap 1104 and input axle sleeve 2.

Deceleration device described in the utility model comprises housing, and described braked wheel 11 is arranged on enclosure interior, arranges at least a set of second bearing 25 between the axle bearing mount portion of described braking wheel cap 1104 and the lower end of housing.

Dehydrating shaft 12 described in the utility model and and the upper end of housing between at least a set of clutch shaft bearing 24. is set preferably, described clutch shaft bearing 24, second bearing 25 and the 3rd bearing 26 are rolling bearing.

As a kind of preferred embodiment of the present utility model, described housing comprises upper shell 14 and lower house 15, described clutch shaft bearing 24 is arranged between dehydrating shaft 12 and upper shell 14, and the second described bearing 25 is arranged between braked wheel body 1105 and lower house 15.

The another kind of implementation that braked wheel body 1105 of the present utility model is fixedly connected with braking wheel cap 1104, the open end outward flanging of described braked wheel body 1105 forms braked wheel body connecting portion, and described braking wheel cap 1104 is threaded connection with braked wheel body connecting portion.

The another kind of implementation that braked wheel body 1105 of the present utility model is fixedly connected with braking wheel cap 1104, described braked wheel body 1105 is fixed by spline joint with braking wheel cap 1104, described braking wheel cap 1104 circumferential side wall arranging spline tooth, the opening inwall of described braked wheel body 1105 being arranged the spline teeth groove for assembling braking wheel cap spline tooth.

As a kind of preferred embodiment of the present utility model, described train comprises double-layer planet gear train, lower floor's train of double-layer planet gear train comprises lower floor's central gear 3, the lower floor's planetary gear 4 be engaged with, lower floor's planetary wheel carrier 5 and lower floor's ring gear 6, lower floor's central gear 3 is fixedly connected with power shaft 1, lower floor's planetary gear 4 engages with lower floor ring gear 6, and lower floor's ring gear 6 bottom is fixedly connected with input axle sleeve 2; The upper strata train of double-layer planet gear train comprises upper strata central gear 9, the upper strata planetary gear 8 be engaged with, upper strata planetary wheel carrier 7 and upper strata ring gear 10, upper strata central gear 9 is connected with output shaft 13, upper strata planetary gear 8 engages with upper strata ring gear 10, and upper strata ring gear 10 and braked wheel 11 are fixed by spline joint; The center position of described lower floor's planetary wheel carrier 5 is fixedly connected with upper strata central gear 9, and described upper strata planetary wheel carrier 7 is fixed by spline joint with lower floor's ring gear 6; The peripheral outer wall of the corresponding train place, upper strata of described braked wheel 11 madial wall, upper strata ring gear 10 arranges spline tooth respectively, braked wheel 11 madial wall has gap between train place of corresponding lower floor and lower floor's ring gear 6.

Dehydrating shaft 12 of the present utility model is fixedly connected with braked wheel 11, described dehydrating shaft 12 is fixed on braked wheel body 1105 by spline joint, braked wheel body 1105 adopts the mode of riveting to be fixedly connected on strange land with braking wheel cap 1104, dehydrating shaft 12 and the braked wheel body 1105 of the present embodiment are adopted splined mode and are fixed together, assembling mode is simple, more reliable and stable after being connected and fixed, ensure that the transmission stability between braked wheel 11 and dehydrating shaft 12.

Dehydrating shaft 12 of the present utility model is fixedly connected with braked wheel 11, and the top and bottom of braked wheel 11 arrange rolling bearing respectively, therefore, better supporting role can be carried out to dehydrating shaft 12, prevent bucket in dehydration from rocking, also reduce interior bucket simultaneously and rock the damage that speed-reducing clutch is caused.

embodiment one

As shown in Figures 1 and 2, the present embodiment is the concrete structure structure of the train of decelerating clutch of washing machine of the present utility model and the mode of connection, particularly, have employed following technical scheme:

The train of the present embodiment comprises braked wheel 11 and the double-layer planet gear train set within it, lower floor's train of double-layer planet gear train comprises lower floor's central gear 3, the lower floor's planetary gear 4 be engaged with, lower floor's planetary wheel carrier 5 and lower floor's ring gear 6, lower floor's central gear 3 is fixedly connected with power shaft 1, lower floor's planetary gear 4 engages with lower floor ring gear 6, and lower floor's ring gear 6 bottom is fixedly connected with input axle sleeve 2; The upper strata train of double-layer planet gear train comprises upper strata central gear 9, the upper strata planetary gear 8 be engaged with, upper strata planetary wheel carrier 7 and upper strata ring gear 10, upper strata central gear 9 is connected with output shaft 13, upper strata planetary gear 8 engages with upper strata ring gear 10, and the periphery of upper strata ring gear 10 is fixedly connected with braked wheel 11; The center position of described lower floor's planetary wheel carrier 5 is fixedly connected with upper strata central gear 9, and the mode that described upper strata planetary wheel carrier 7 is connected by key with lower floor ring gear 6 is fixedly connected with.

The train of the decelerating clutch of washing machine of the present embodiment comprises upper and lower two-layer planet circular system, all carry out the transmission of power between upper and lower two-layer planet circular system and redistribute, output shaft 13 connects the impeller of washing machine, dehydrating shaft 12 connects the interior bucket of washing machine, and when speed-reducing clutch of the present utility model coordinates arrangement of clutch to achieve washing of drum type washing machine, interior bucket and impeller rotate backward., improve the structure of speed-reducing clutch and the connected mode of inside, make the transmission of decelerating clutch of washing machine of the present utility model more steadily reliable, overall construction intensity is higher meanwhile.

The train of the present embodiment is made up of upper and lower two-layer planet circular system, because the mode that upper strata train is fixedly connected with lower floor ring gear 6 by upper strata planetary wheel carrier 7, upper strata central gear 9 is fixedly connected with lower floor planetary wheel carrier 5 realizes by the power transmission of lower floor's train to upper strata train, and then be transferred to output shaft 13 and dehydrating shaft 12.Therefore, the utility model is by designing the structure of upper strata planetary wheel carrier 7, upper strata central gear 9, lower floor's planetary wheel carrier 5, the mode adopting key to connect realizes upper strata planetary wheel carrier 7 and lower floor ring gear 6, upper strata central gear 9 is fixedly connected with lower floor planetary wheel carrier 5, connected mode is simple and reliable, make the power transmission of speed-reducing clutch of the present utility model more stable, longer service life, and reduce manufacturing cost, there is good market popularization value.

How to design that upper strata planetary wheel carrier 7, lower floor's ring gear 6 are fixing, the structure of upper strata central gear 9, lower floor's planetary wheel carrier 5, and how to realize upper strata planetary wheel carrier 7 and lower floor ring gear 6, upper strata central gear 9 are the keys realizing the utility model technical purpose with the mode that is fixedly connected with of lower floor planetary wheel carrier 5.Particularly, have employed following technical scheme:

The mode that upper strata planetary wheel carrier 7 described in the present embodiment is connected by key with lower floor ring gear 6 is fixedly connected with, described upper strata planetary wheel carrier 7 arranging connecting key, described lower floor's ring gear 6 being arranged lower floor's ring gear connecting portion 602 of the connecting key for assembling upper strata planetary wheel carrier (7).

Further, connecting key on described upper strata planetary wheel carrier 7 is spline tooth, described lower floor's ring gear connecting portion 602, for being arranged on the spline teeth groove on the inwall at lower floor's ring gear 6 upper end open place, achieves a fixed connection in the spline teeth groove of the spline tooth insertion lower floor ring gear 6 of described upper strata planetary wheel carrier 7.

As shown in Figures 3 and 4, the upper strata planetary wheel carrier 7 of the present embodiment comprises upper strata planetary gear stand 704 and upper strata planetary wheel carrier lid 701, upper strata planetary gear stand 704 multiple upper joint pin 703 for connecting upper strata planetary wheel carrier lid 701 is circumferentially vertically set; Described upper strata planetary gear 8 is arranged between the upper strata planetary wheel carrier lid 701 of upper strata planetary wheel carrier 7 and upper strata planetary gear stand 704, and the upper strata planetary gear stand 704 of described upper strata planetary wheel carrier 7 is fixedly connected with by spline joint mode with lower floor ring gear 6.

Upper strata planetary gear stand 704 and the upper strata planetary wheel carrier lid 701 of the present embodiment are disk-like structure, both are coupled together by upper joint pin 703 and form upper strata planetary wheel carrier 7, described upper connector 703 is integrated with upper strata planetary gear stand 704, protrudes upward multiple column form upper connector 703 by the card week of upper strata planetary gear stand 704.Correspond, the card of upper strata planetary wheel carrier lid 701 offers multiple through hole matched with upper connector 703, described connector 703 inserts in the through hole on upper strata planetary wheel carrier lid 701 and can realize being connected in one.Described upper strata planetary gear 8 is arranged on upper strata planet carrier 7, particularly, in the card circumference of upper strata planetary gear stand 704 circumference offer multiple on installing hole 705, upper installing hole 705 is blind hole, blind hole is inserted upper strata planet wheel spindle 702, described upper strata planetary gear 8 is arranged on upper strata planet wheel spindle 702 can realize rotation, can revolve round the sun along with upper strata planetary wheel carrier 7 meanwhile.The overall structure assembling of upper strata of the present utility model planetary wheel carrier 7 is simple, and has higher stability.

Because when installing, the upper strata planetary gear stand 704 of the upper strata planetary wheel carrier 7 of the present embodiment is in bottom, more near lower floor's train, therefore, the connection of upper strata planetary wheel carrier 7 and lower floor's ring gear 6 of lower floor train is fixedly connected with realization mainly through upper strata planetary gear stand 704 with lower floor ring gear 6.Like this, assembly connection can be carried out along a direction, more convenient and swift.

Particularly, periphery, lower floor's ring gear 6 of the upper strata planetary gear stand 704 of described upper strata planetary wheel carrier 7 arrange spline respectively on the inwall of train one end, upper strata.So when mounted, only need the spline spline of upper strata planetary gear stand 704 being inserted lower floor ring gear 6 can realize being fixedly connected with between the two, connected mode is simple, and the mode be fixedly connected with is reliable and stable.In addition, the inner side due to lower floor's ring gear 6 is provided with lower floor's ring gear internal tooth 601, is adding man-hour, convenient at ring gear inside processing spline tooth while processing lower floor ring gear internal tooth 601.

As shown in Figure 6, described lower floor's planetary wheel carrier 5 comprises lower floor's planetary gear stand 501 and lower floor's planetary wheel carrier lid 504, lower floor's planetary gear stand 501 multiple lower joint pin 502 for connecting lower floor's planetary wheel carrier lid 504 is circumferentially vertically set; Described lower floor's planetary gear 4 is arranged between lower floor's planetary gear stand 501 of lower floor's planetary wheel carrier 5 and lower floor's planetary wheel carrier lid 504, and lower floor's planetary gear stand 501 of described lower floor's planetary wheel carrier 5 is threaded connection with upper strata central gear 9, spline joint or hole are sold the mode of assembling and be fixedly connected with.

The mounting means of lower floor's planetary wheel carrier 5 of the present embodiment is substantially identical with the mounting means of upper strata planetary wheel carrier 7, lower floor's planetary gear stand 501 and lower floor's planetary wheel carrier lid 504 are disk-like structure, and both are coupled together by lower joint pin 503 and form lower floor's planetary wheel carrier 5.Described lower floor's planetary gear 4 is arranged on lower floor's planet carrier 5, particularly, in the card circumference of lower floor's planetary gear stand 501, circumference offers multiple lower installing hole 506, lower installing hole 506 is blind hole, blind hole is inserted lower floor's planet wheel spindle 503, described lower floor's planetary gear 4 is arranged on lower floor's planet wheel spindle 503 can realize rotation, can revolve round the sun along with lower floor's planetary wheel carrier 5 meanwhile.The overall structure assembling of lower floor of the present utility model planetary wheel carrier 5 is simple, and has higher stability.

Particularly, when lower floor's planetary wheel carrier seat 501 is threaded with upper strata central gear 9, described lower floor's planetary wheel carrier connecting portion 505 is screwed hole, the bottom outward flanging of described upper strata central gear 9 forms upper strata central gear mount pad 901, upper strata central gear mount pad 901 offers screwed hole, bolt or screw is adopted to achieve a fixed connection through the screwed hole on the screwed hole of lower floor's planetary gear stand 501 and upper strata central gear 9, adopt the mode be threaded fixing more reliable, ensure that the stability of power transmission.

When lower floor's planetary wheel carrier seat 501 and upper strata central gear 9 spline joint, lower floor's planetary gear stand 501 center position offers opening, described lower floor's planetary wheel carrier connecting portion 505 is for being arranged on the spline on opening inwall, the bottom of described upper strata central gear 9 arranges the spline matched with the spline on lower floor planetary gear stand 501, the spline joint of both realizations.Adopting splined mode makes assembling more simple and convenient, is fixedly connected with effectively reliable simultaneously.

Lower joint pin 502 described in the present embodiment is arranged along the edge of lower floor's planetary gear stand 501, and the circumferential lengths of lower joint pin 502 is greater than radical length.Such setting, mainly has following technique effect:

First, after the gearratio of lower floor's train determines, described lower floor's planetary gear 4 and the size of lower floor's ring gear 6 all determine, if guarantee, lower floor's planetary gear 4 is loaded in lower floor's ring gear smoothly, lower floor's planetary wheel carrier 501 size-constrained in the specification of lower floor's ring gear 6, therefore, what need the size of lower floor's planetary gear stand 501 to try one's best is little of to meet installation requirement.And lower joint pin 502 is arranged on the edge of lower floor's planetary gear stand 501, make the hole between lower joint pin 502 larger with meet lower floor's planetary gear stand 501 design little after and do not affect the installation of lower floor's planetary gear 4.

Secondly, it is larger that the circumferential lengths of lower joint pin 502 is greater than the moment of torsion that radical length makes lower joint pin 502 bear, and guarantees the resistance to overturning of lower floor's planetary wheel carrier 5.

Finally, the circumferential lengths of lower joint pin 502 is greater than radical length and makes the gap between lower joint pin 502 and planet circular system less, can effectively prevent lower floor's planetary gear 4 internal layer from entering ash.Lower floor's planetary gear stand 501 of lower floor of the present utility model planetary wheel carrier 5 is positioned at the upper end of lower floor's planetary wheel carrier lid 504 after mounting, more near upper strata train, because upper strata central gear 9 is fixedly connected with lower floor planetary wheel carrier 5, so upper strata central gear 9 is fixedly connected with lower floor's planetary gear stand 501 of lower floor planetary wheel carrier 5.Therefore, the center position of described lower floor's planetary gear stand 501 arranges the lower floor's planetary wheel carrier connecting portion 505 being used for being fixedly connected with upper strata central gear 9.

As shown in Figure 7, the lower end of lower floor's ring gear 6 of the present embodiment is fixedly connected with input axle sleeve 2.Particularly, described input axle sleeve 2 comprises input sleeve body 201 and power shaft block set 202, described power shaft block set 202 is formed by the end outward flanging of input sleeve body 201, power shaft block set 202 extend upward multiple input axle sleeve joint pin 203 week, the end that described ring gear 6 and input axle sleeve 2 assemble arranges multiple first installing hole 603, and described input axle sleeve joint pin 203 inserts the first installing hole 603 and achieves a fixed connection.

As shown in Figure 5, upper strata ring gear 10 described in the present embodiment is fixed together by spline joint with braked wheel 11, the outer wall circumference of described upper strata ring gear 10 is arranged upper strata ring gear spline 1002, on the inwall of described braked wheel 11, the position of corresponding upper strata ring gear 10 arranges braked wheel spline 1101.

The upper end of the braked wheel 11 described in the present embodiment is fixedly connected with dehydrating shaft 12, and the lower end outward flanging of described dehydrating shaft 12 forms dehydrating shaft mount pad, and the upper end of described braked wheel 11 is fixedly connected with the dehydrating shaft mount pad of dehydrating shaft.

embodiment two

As shown in Figure 8, the present embodiment is only with the difference of embodiment one: the mode that the upper strata planetary wheel carrier 7 of the present embodiment and lower floor ring gear 6 passing hole pin assemble is fixedly connected with.

The upper strata planetary gear stand 704 of the upper strata planetary wheel carrier 7 of the present embodiment circumferentially arranges multiple first steady pin 706 on the end of lower floor's train one end, described lower floor's ring gear 6 corresponds to the first steady pin 706 and arranges multiple first installing hole 603 on the end of train one end, upper strata, and the first described steady pin 706 inserts in the first installing hole 603 and realizes being fixedly connected with of hole pin assembling mode.

Further, described upper strata planetary wheel carrier 7 and lower floor ring gear 6 are connected by key or hole is sold the mode of assembling and is fixedly connected with.

The first steady pin 706 described in the present embodiment is one-body molded with upper strata planetary gear stand 704, and described upper strata planetary gear stand 704 fits near the end of train one end, upper strata near the end of lower floor's train one end and lower ring gear 6 after the first steady pin 706 inserts the first installing hole 603.

The advantage of the present embodiment is: adopt the syndeton that the mode upper strata planetary wheel carrier 7 of hole pin cooperation and lower floor's ring gear 6 are arranged more simple, be more prone to processing, it is also more convenient to assemble.

In like manner, the upper strata central gear 9 of the present embodiment arranges multiple second steady pin near the end of one end of lower floor's train, described lower floor's planetary gear stand 501 corresponding second steady pin on the end of train one end, upper strata arranges multiple second installing hole, and the second described steady pin inserts in the second installing hole and realizes being fixedly connected with of hole pin assembling mode.

The upper strata central gear 9 of the present embodiment and lower floor planetary wheel carrier 5 adopt hole to sell the mode coordinated and are fixed and are connected, and structure is simple, and connected mode is simple and reliable

embodiment three

The difference of the present embodiment and embodiment one, embodiment two is only: described lower floor's ring gear connecting portion 602 is the internal tooth of lower floor's ring gear 6, connecting key on described upper strata planetary wheel carrier 7 is the external tooth be meshed with the internal tooth of lower floor ring gear 6, the upper strata planetary wheel carrier 7 of the end of external tooth is arranged the convex rank for limiting upper strata planetary wheel carrier 7 axial displacement.

The advantage of adopting in this way is, keep the structure of lower floor's ring gear 6 constant, do not need on lower floor's ring gear 6, process spline or offer mounting hole site separately, the external tooth identical with lower floor ring gear 6 profile of tooth is set by upper strata planetary wheel carrier 7, glides along internal tooth thus to realize being fixedly connected with between upper strata planetary wheel carrier 7 with lower floor ring gear 6 being limited it by convex rank after the external tooth of upper strata planetary wheel carrier 7 is engaged with the internal tooth of lower floor ring gear 6.Particularly, the external tooth of the upper strata planetary wheel carrier 7 of the present embodiment is arranged in the circumference of upper strata planetary gear stand 704 bottom terminal ends, and described convex rank are arranged on the top of external tooth on upper strata planetary gear stand 704.

embodiment four

As Fig. 9, Figure 10, Figure 11, this gives the another kind of structure of the dehydrating shaft 12 of decelerating clutch of washing machine of the present utility model and the connected mode of dehydrating shaft 12 and braked wheel 11, particularly, have employed following technical scheme:

The Washing machine dewatering shaft of the present embodiment, comprise axis body 1201 and axle bed 1202, the described upper end of axis body 1201 is fixedly connected with the washtub of washing machine, the lower end of axis body 1201 be fixedly connected with axle bed 1202 or the lower end of axis body 1201 and axle bed 1202 one-body molded; Described dehydrating shaft is connected with the decelerator of washing machine by axle bed; Described axis body is arranged the axis body through hole 1203 being used for output shaft 13 and passing.

Because the braked wheel 11 of speed-reducing clutch of the present utility model is fixedly connected with dehydrating shaft, therefore, present embodiments provide a kind of dehydrating shaft with brand new, by axis body 1201 with axle bed 1202 two parts are one-body molded or split is composed of a fixed connection, axle bed 1202 is convenient to be fixedly connected with braked wheel 11 more.

Therefore, the dehydrating shaft of the present embodiment is applicable to speed-reducing clutch of the present utility model, is convenient to the assembling of speed-reducing clutch and dehydrating shaft, ensures that the power transmission of dehydrating shaft is more stable.

Concrete, the axis body 1201 described in the present embodiment is in bar shape, and described axle bed 1202 is in the form of annular discs, described axis body 1201 lower end and axle bed 1202 one-body molded, preferably, described axle bed 1202 is formed by the lower end outward flanging of axis body 1201.

The axis body 1201 of the present embodiment is one-body molded with axle bed 1202, ensure that the globality of dehydrating shaft, makes the overall structure of dehydrating shaft more stable.

The dehydrating shaft of the present embodiment also can adopt split to design, particularly, described axis body 1201 is in bar shape, and described axle bed 1202 is in the form of annular discs, discoid axle bed 1202 center position offers opening, described axis body 1201 lower end and the opening spline joint of axle bed 1202.Like this, the upper end open mainly due to braked wheel 11 is comparatively large, in order to realize close installation between the two, the size of axle bed 1202 is relatively large, and employing split arranges rear axis body 1201 and axle bed 1202 can be processed respectively, is more easy to processing, employing spline joint is fixed, and assembling mode is simply effective.

As Fig. 1, Fig. 9, Figure 10, Figure 11, a kind of decelerating clutch of washing machine of the present embodiment, be equipped with above-mentioned dehydrating shaft 12, comprise deceleration device, the train that deceleration device comprises braked wheel 11 and arranges in braked wheel 11, described braked wheel 11 offers opening near one end of dehydrating shaft 12, and the axle bed 1202 of described dehydrating shaft 12 is fixedly mounted on the opening of braked wheel 11.

The axle bed 1202 of the dehydrating shaft 12 of the present embodiment is fixedly connected with by the mode of riveting with the opening of braked wheel 11, and the axle bed 1202 of described dehydrating shaft 12 covers the opening of braked wheel 11 completely.Dehydrating shaft 12 and the axle bed 1202 of the present embodiment adopt the mode of riveting to be fixed together, and assembling mode is simple, more reliable and stable after being connected and fixed, and ensure that the transmission stability between braked wheel 11 and dehydrating shaft 12.

Particularly, the opening part of described braked wheel 11 arranges caulking part 1102, and the thickness that the inner wall thickness of described caulking part 1102 is less than braked wheel 11 circumferential side wall makes the ledge structure of the axle bed formed between the inwall of the inwall of caulking part 1102 and braked wheel 11 for spacing dehydrating shaft 12; The axial height of described caulking part 1102 is greater than the thickness of the axle bed 1202 of dehydrating shaft 12.

The mode that the braked wheel 11 of the present embodiment is fixedly connected with dehydrating shaft 12 makes the assemble method of speed-reducing clutch of the present utility model there occurs change, during deceleration clutch assembling of the present utility model, from output shaft end to power shaft to assembling, therefore when riveting, first dehydrating shaft 12 is sleeved on after on output shaft 13, after fixing for dehydrating shaft 12, braked wheel 11 is contained on dehydrating shaft 12, stretch in the process of the upper end open of system driving wheel 11 at the axle bed 1202 of dehydrating shaft 12, can not continue to stretch into when arrival ledge structure place is defined, now caulking part 1102 is riveted to the laggard row of in-flanges.

The structural change of the dehydrating shaft 12 of the speed-reducing clutch of the present utility model mounting means of speed-reducing clutch, dehydrating shaft 12 and the annexation of braked wheel 11 make the process of assemble more rationally effective, and the overall Du Genggao of assembling, ensure that the stability of transmission.

The mode that the braked wheel 11 of the present embodiment is fixedly connected with dehydrating shaft 12 can also adopt the mode be threaded, the open end outward flanging of described braked wheel 11 forms braked wheel connecting portion, and axle bed 1202 and the braked wheel connecting portion of described dehydrating shaft 12 are threaded connection.Adopt the mode be threaded more simple and convenient, be more convenient to assembling.

The mode that the braked wheel 11 of the present embodiment is fixedly connected with dehydrating shaft 12 can also adopt splined mode, described braked wheel 11 is fixed by spline joint with the axle bed 1202 of dehydrating shaft 12, axle bed 1202 circumferential side wall of described dehydrating shaft 12 arranging spline tooth, the opening inwall of described braked wheel 11 being arranged the spline teeth groove for assembling axle bed spline tooth.Adopt splined mode, the part processing precision of needs is higher, and the degree of accuracy of assembling is also higher, and the degree of stability after assembling is also better, is applicable to high-precision matching requirements.

Because upper strata of the present utility model ring gear 10 and braked wheel 11 are fixed by spline joint, the peripheral outer wall of the corresponding train place, upper strata of described braked wheel 11 madial wall, upper strata ring gear 10 arranges spline tooth respectively, braked wheel 11 madial wall has gap between train place of corresponding lower floor and lower floor's ring gear 6.

The lower ending opening of the braked wheel 11 described in the present embodiment is enclosed within input axle sleeve 2, and the lower ending opening of braked wheel 11 axially stretches out and forms braked wheel installation portion 1103, arranges at least two and overlap the 3rd bearing 26 between braked wheel installation portion 1103 and input axle sleeve 2; Described deceleration device comprises housing, and described braked wheel 11 is arranged on enclosure interior, arranges at least a set of second bearing 25 between braked wheel installation portion 1103 and the lower end of housing, and preferably, the second described bearing 25, the 3rd bearing 26 are rolling bearing.

Between the axle bed 1202 of the dehydrating shaft 12 of the present embodiment and housing, at least a set of clutch shaft bearing 24 is installed, described clutch shaft bearing 24 also non-rolling bearing.

The dehydrating shaft 12 of the present embodiment is fixedly connected with braked wheel, and the top and bottom of braked wheel 11 arrange bearing respectively, therefore, better supporting role can be carried out to dehydrating shaft 12, prevent bucket in dehydration from rocking, also reduce interior bucket simultaneously and rock the damage that speed-reducing clutch is caused.

embodiment five

As shown in Figure 12,13,14,15 and 16, the present embodiment is the direct driving motor being applied to speed-reducing clutch of the present utility model, particularly, have employed following technical scheme:

The direct driving motor of the present embodiment comprises rotor 17 and the stator 16 be arranged in rotor 17, described stator 16 inside has cavity, the clutch axle sleeve 19 of decelerating clutch of washing machine is set in the cavity of stator 16, described clutch axle sleeve 19 upward sliding engages with stator 16 and realizes washing procedure, and clutch axle sleeve 19 slide downward engages with rotor 17 and realizes dehydration procedure; Described stator 16 is arranged and is used for engaging with clutch axle sleeve 19 and makes its fixing stator engaging piece 1607.

The inside of the stator 16 of the direct driving motor of the present embodiment has cavity, the arrangement of clutch of speed-reducing clutch is made to be integrated in the internal chamber of stator 16 of direct driving motor, the stator 16 of simultaneously motor being arranged to be meshed with clutch axle sleeve 19 realizes its stator engaging piece 1607 fixed, therefore, direct driving motor of the present utility model is not only speed-reducing clutch and provides and turn power, but also there is a part of critical function of arrangement of clutch, expand the functional of direct driving motor, make the degree of integration of speed-reducing clutch higher.

In addition, on the stator 16 of direct driving motor of the present utility model, the stator engaging piece 1607 arranged for engaging clutch axle sleeve 19 is the stators 16 combining direct driving motor itself is fixed work characteristics.After clutch axle sleeve upward sliding engages with stator 16 engaging piece, because stator 16 is fixed, so the clutch axle sleeve 19 be engaged with also maintains static, clutch axle sleeve 19 is fixedly connected with input axle sleeve 2 again, then input motionless, the power shaft 1 of axle sleeve 2 and rotate under the drive of rotor 17 and realize washing procedure; When clutch axle sleeve 19 slide downward engages with rotor 17, described power shaft 1, input axle sleeve 2 all synchronized rotating in same directions under the drive of rotor, realize dehydration procedure.Therefore, the design feature taking full advantage of self of direct driving motor of the present utility model and working method, achieve and coordinated with direct driving motor height by arrangement of clutch, also advantageously in the work of arrangement of clutch.

In order to realize the clutch function of stator 16 of the present utility model, need on stator 16, arrange corresponding with clutch axle sleeve 19 and for being mated stator engaging piece 1607, as a kind of preferred embodiment of the present embodiment, the stator 16 of described cavity inside or opening part extends certain distance and forms annular muscle position inside cavity, and described stator engaging piece 1607 is for being arranged on the spline tooth on the inwall of annular muscle position.

The clutch shaft of the present embodiment is set in the internal cavities of stator 16, therefore wants to realize clutch axle sleeve 19 and engaging between stator, in the internal chamber that described stator engaging piece 1607 also should be arranged on the stator 16 or top of internal chamber.The present embodiment gives a kind of set-up mode of concrete stator engaging piece 1607 in conjunction with the concrete structure of stator, particularly, have employed following technical scheme:

The stator connecting portion 1602 that stator 16 described in the present embodiment comprises stator body 1601 and is fixedly connected with it, stator connecting portion 1602 is fixedly mounted on decelerating clutch of washing machine shell; Described cavity is arranged on the inside of stator body 1601, and described stator engaging piece 1607 is arranged on the cavity inner wall of stator body 1601, or described stator engaging piece 1607 is arranged on stator connecting portion 1602.A part for the arrangement of clutch of speed-reducing clutch is arranged on stator 16 in conjunction with the concrete structure of stator 16 by the present embodiment, makes the integrated level of direct driving motor higher, and arrangement of clutch assembling is more simple and convenient.

Further, described stator connecting portion 1602 is one-body molded with stator body 1601, stator connecting portion 1602 comprises connecting portion 1603 and installation portion 1608, described stator body 1601 axially extends to form connecting portion 1603 towards away from lumen side by cavities open, and the free end end of connecting portion 1603 forms installation portion 1608 to flange inside inner chamber; Described stator engaging piece 1607 is for being arranged on the spline tooth on installation portion 1608 inwall.

And the fixed engagement end of existing clutch axle sleeve generally all adopts and arranges separately one and to realize its fixing fixed disk for being meshed with clutch axle sleeve 19, fixed disk is fixedly mounted on the housing of speed-reducing clutch, this mode not only needs to carry out independent processing to fixed disk, also need to carry out independent fixed installation, add manufacturing cost and production cost greatly, and the stator connecting portion 1602 of the present embodiment not only has the effect of fixed installation stator 16, above stator engaging piece 1607 being integrated in simultaneously, while the stator 16 of fixed installation direct driving motor, the installation of the upper fixture of the clutch axle sleeve of speed-reducing clutch is also achieved during installation.

The present embodiment provides the concrete mounting means with stator 16, particularly, described stator body 1601 is fixedly mounted on the housing lower surface of decelerator for washing machine by stator connecting portion 1602, on the installation portion 1608 of stator connecting portion 1602 circumference arrange multiple stator installing hole 1605 for being threaded and multiple for installing time location stator locating dowel 1606.The present embodiment positions rear direct employing screw by stator locating dowel 1606 and is fixed, therefore, the installation of the stator 16 of the present embodiment is simple and convenient, the installation of the upper fixture of the clutch axle sleeve of speed-reducing clutch simultaneously also achieves installation, the step of the installation of saving, improves the efficiency of production.

The mode that the clutch axle sleeve 19 of the speed-reducing clutch of the present embodiment adopts shift fork to drive realizes sliding up and down, match with clutch axle sleeve 19 in order in the cavity that shift fork extend into stator 16, this gives a kind of concrete embodiment, particularly, described clutch axle sleeve 19 is driven by shift fork 20, one end of described shift fork 20 extend in the internal cavities of stator 16 and contacts to stir its axially-movable with clutch axle sleeve 19, described stator 16 is arranged the shift fork mouth 1604 being used for shift fork 20 and passing.

The shift fork mouth 1604 of the present embodiment has two kinds of set-up modes, concrete:

Mode one, as shown in figure 13, described shift fork mouth 1604 is arranged on stator connecting portion 1602, and described shift fork mouth 1604 is through-hole structure, and on installation portion 1608, the inwall at corresponding shift fork mouth 1604 place is provided with spline tooth.Be arranged so that the whole circle of stator engaging piece 1607 is arranged like this, make to engage Du Genggao when clutch axle sleeve 19 engages with it, more stable, ensure that the validity of clutch axle sleeve 19.

Mode two, as shown in figure 14, described shift fork mouth 1604 is gap structure, the connecting portion 1603 of the through stator connecting portion 1602 of gap structure and installation portion 1608.The mode of such setting, make the processing of shift fork mouth 1604 more simple and convenient, the aperture area of shift fork mouth 1604 is larger, more simple and convenient during assembling shift fork 20, and the position that installation portion 1608 does not arrange shift fork mouth 1604 is provided with spline tooth, ensure that the validity that clutch axle sleeve 19 engages.

Stator engaging piece 1607 described in the present embodiment can directly be formed by stator connecting portion 1602 offers spline tooth, also can arrange separately, on the lower end surface being fixedly mounted on stator connecting portion 1602, particularly, described stator engaging piece 1607 is for being arranged on the spline tooth on the inwall of a ring discoid body, described ring discoid body is fixedly connected on the cavity inside of stator body 1601, or described ring discoid body to be fixedly connected on stator connecting portion 1602 on side relative to cavity.During the benefit of such setting, both splits arrange and when stator engaging piece 1607 damages, can change separately, reduce maintenance cost.

The another kind of embodiment that stator installation portion 1602 and stator engaging piece 1607 split of the present embodiment are arranged is, described stator connecting portion 1602 is joint pin, one end of joint pin is fixedly connected with stator body 1601, and the other end is fixedly connected on the housing bottom of decelerating clutch of washing machine; Described stator body 1601 extends certain distance by cavities open and forms annular muscle position inside cavity, and described stator engaging piece 1607 is for being arranged on the spline tooth on the inwall of annular muscle position.The structure making stator connecting portion 1602 is like this more simple, and it is more convenient that processing is got up, and stator engaging piece 1607 is also one-body molded with stator is arranged on the effect that cavity place realizes itself and clutch axle sleeve 19 fixed engagement.

The mode that said stator connecting portion 1602 is set to joint pin is more suitable for situation about being fixedly mounted on by stator 16 on the installing plate of washing machine, due to the installation site of direct driving motor and the distant of installing plate, erection column mounting means is adopted not only to install more simple, and the processing of stator connecting portion 1602 is also more easy, now again stator engaging piece is integrated in separately on stator 16 and realizes its function.

Clutch axle sleeve 19 slide downward of the present embodiment engages by overlapping 18 with torque transmissioning shaft, and torque transmissioning shaft cover 18 is arranged on rotor 17, realizes dehydration procedure.

The torque transmissioning shaft cover 18 of the present embodiment comprises cylindrical body 1802, torque transmissioning shaft cover engaging piece 1801 and central through hole 1803, the peripheral outer wall of described cylindrical body 1802 is arranged spline tooth formation and overlap engaging piece 1801 for the torque transmissioning shaft be meshed with the spline tooth of clutch axle sleeve 19 lower end, the central through hole 1803 passed for power shaft 1 is offered in the center of described cylindrical body 1802; The cylindrical body 1802 of described torque transmissioning shaft cover 18 is one-body molded with rotor 17 or be fixedly connected with.

As Figure 13, the torque transmissioning shaft cover 18 of the present embodiment can be directly made of one by rotor 17, process when processing rotor 17 with torque transmissioning shaft cover simultaneously, particularly, the cylindrical body 1802 of described torque transmissioning shaft cover 18 is formed by the boss structure of rotor 17 inside bottom wall center position protruding certain altitude to the inside.Torque transmissioning shaft cover 18 is set to one with rotor 17 by the present embodiment, when the rotor 17 of direct driving motor can be made like this to carry out modularized production, has more functional, is more convenient to modular assembly.

As shown in figure 15, the torque transmissioning shaft cover 18 of the present embodiment also can be arranged with rotor 17 split, namely the two is two independent parts, as 14, after processing torque transmissioning shaft cover 18 and rotor 17 separately, by certain mounting means, torque transmissioning shaft cover 18 is fastened on rotor 17 again, its advantage is that independent dismounting and change is convenient, and the cost of rotor 17 is higher, when keeping in repair, rotor 17 can be retained and only change fixed disk, reducing the cost of maintenance.

For the ease of the fixed installation of torque transmissioning shaft cover 18, the inner central position of the rotor 17 of the present embodiment arranges the rotor connecting portion 1701 for fixedly mounting torque transmissioning shaft cover 18.

As shown in figure 16, described torque transmissioning shaft cover 18 is fixedly connected with between rotor 17, between described torque transmissioning shaft cover 18 and rotor 17, elastic washer 35 is set, described elastic washer 35 has elastic spline tooth, and the spline tooth that elastic spline tooth and torque transmissioning shaft overlap engaging piece 1801 engages and the tooth depth of elastic spline tooth is less than the tooth depth that torque transmissioning shaft overlaps the spline tooth of engaging piece 1801.The elastic washer 35 of the present embodiment can clutch axle sleeve 19 and torque transmissioning shaft overlap 18 be meshed time slow down impulsive force and the engagement force of clutch axle sleeve 19, decrease noise during engagement.

The rotor 17 of the present embodiment is fixedly mounted on power shaft 1 by stop nut 34, makes rotor 17 be with driven input shaft 1 to rotate together.

As shown in figure 20, described in this enforcement torque transmissioning shaft cover 18 can also and power shaft 1 between spline joint, or torque transmissioning shaft cover 18 is one-body molded with power shaft 1, the peripheral outer wall of torque transmissioning shaft cover 18 is arranged the spline tooth being used for being meshed with the spline tooth of clutch axle sleeve 19 lower end.

Stator top described in the present embodiment is also fixed with the circuit board 33 of direct driving motor and the motor connection jaws 1609 of corresponding circuits plate 33 setting.

The present embodiment gives a kind of decelerating clutch of washing machine with above-mentioned direct driving motor simultaneously, comprise and control the arrangement of clutch that washing machine carries out washing/dehydrating switching, described arrangement of clutch comprises can clutch axle sleeve 19 and drive the shift fork 20 of clutch axle sleeve 19 in axial sliding, clutch axle sleeve 19 is arranged on stator 16 inside and has cavity, one end of described shift fork 20 is stretched in the internal cavities of stator 16, and the other end is arranged on the cavity outside of stator 16 and is connected with drive unit; Arrange buffer structure between described drive unit and shift fork 20, described buffer structure is compressed or power needed for stretching is greater than the power of stirring needed for clutch axle sleeve.

The clutch axle sleeve 19 of the decelerating clutch of washing machine of the present embodiment comprises upper and lower two ends, the external diameter of upper end is greater than the external diameter of bottom, on described upper end, circumference arranges the spline tooth being used for engaging with stator engaging piece 1607, and on the madial wall of described bottom, circumference arranges and is used for overlapping 18 spline tooths be meshed with torque transmissioning shaft.

Concrete structure and connected mode are shown in embodiment five, are not repeated at this.

embodiment six

As Figure 17, shown in Figure 18 and Figure 19, a kind of speed-reducing clutch of the present embodiment, at least comprise a housing, be positioned at the braked wheel 11 of housing, be positioned at the train of braked wheel 11, lower housing portion is fixedly connected with a direct driving motor, in the cavity of direct driving motor stator 16, the clutch axle sleeve 19 that can slide up and down is set, clutch axle sleeve 19 slides up and down to be connected with rotational structure and fixed structure respectively and realizes dewatering and washing, clutch axle sleeve 19 is driven by shift fork 20, a gap is had between described stator 16 madial wall and clutch axle sleeve 19 lateral wall, the top that stator 16 is positioned at this gap is provided with a breach, described shift fork 20 stretches into this breach and is positioned at stator 16 cavity at least partly and contacts with clutch axle sleeve 19 and stir clutch axle sleeve 19 axially-movable.

Clutch axle sleeve 19 is arranged on stator 16 cavity inside can shorten speed-reducing clutch axial length, can save axial installing space.Shift fork 20 one end is positioned at cavity, drive the motion of clutch axle sleeve 19, owing to arranging clutch axle sleeve 19 in stator 16 cavity, gap between the madial wall of clutch axle sleeve 19 lateral wall and stator 16 is less, the drive unit of shift fork 20 cannot be arranged in cavity, therefore the drive unit of shift fork 20 is arranged on the outside of cavity, around housing, therefore the other end of shift fork 20 must be positioned at the outside of cavity, around housing, driven by drive unit, the top in stator 16 madial wall and clutch axle sleeve 19 lateral wall gap is provided with a breach, shift fork stretches into cavity inside by this breach and goes to drive clutch axle sleeve 19.

The top of clutch axle sleeve 19 arranges spring, and clutch axle sleeve 19 motion upwards stirred by shift fork 20 need, and the downward motion of clutch axle sleeve 19 realizes by the gravity of spring and clutch axle sleeve 19 itself.

Shift fork 20 at least comprises and the clicking section 2001 of the contact of clutch axle sleeve 19 and the connecting portion 2002 driving clicking section 2001 to move, described clicking section 2001 is positioned at stator 16 cavity inside, described connecting portion 2002 and a fixture 30 hinged, one end is positioned at outside stator 16 cavity, and the other end stretches in stator 16 cavity.

Connecting portion 2002 and clicking section 2001 can be structure as a whole, described clicking section 2001 is half arc-shaped structure, circular arc concave surface 2004 is towards clutch axle sleeve 19, arc convex surface 2005 is towards stator 16, side towards stator 16 extends outward a laminated structure to the backward upper bending in middle part in stator 16 and the gap of clutch axle sleeve 19 and to extend to stator 16 cavity outside, radially outward bend along stator 16 again and extend, hinged with a fixture 30, then extend upward a drive end 2003.This kind of shift fork integrative-structure, shift fork is one-body molded, is convenient to modularized production, reduces the quantity of the part of washing machine, and the breach that the top in this kind of situation stator 16 madial wall and clutch axle sleeve 19 lateral wall gap is established is comparatively large, or described breach is a gap.

Or connecting portion 2002 and clicking section 2001 are Split type structure, described clicking section 2001 is half arc-shaped structure, circular arc concave surface 2004 is towards clutch axle sleeve 19, arc convex surface 2005 is towards stator 16, side towards stator 16 extends out to the middle part in the gap of stator 16 and clutch axle sleeve 19, described connecting portion 2002 is that a laminated structure and a fixture 30 are hinged, one end bends downwards and extends in stator 16 cavity and is positioned at stator 16 with clicking section 2001 and is fixedly connected with the one end in the gap of clutch axle sleeve 19, connecting portion 2002 other end extends radially outwardly along stator 16, upwards bend again and extend a drive end 2003.

Connecting portion 2002 extends to and to bend inwards after clicking section 2001 is positioned at stator 16 and the one end in the gap of clutch axle sleeve 19 and to extend in stator 16 cavity, and form a part overlapping with clicking section 2001, the two is threaded connection in this part.The structure of this kind of each part of situation is simple, convenient processing.

Housing comprises upper shell 14 and lower house 15, fixture 30 is one be fixed on lower casing, the laminated structure of 15, be arranged in parallel with lower house 15 bottom, being installed as of the connecting portion 2002 of fixture 30 and shift fork 20: the surface of this laminated structure is provided with two the first lugs 3001 perpendicular to this surface, two the first lugs 3001 are oppositely arranged, and the first lug 3001 is provided with the first installing hole, described connecting portion 2002 is oppositely arranged two the second lugs 2006, two the second lugs 2006 are oppositely arranged, and the second lug 2006 is provided with the second installing hole, after first installing hole is aimed at the second installing hole, pass through pinned connection, bearing pin is provided with torsion spring.Only need shift fork 20 to the motion in a direction, the motion in another direction leans on the power of torsion spring to automatically reset.This kind of connected mode structure is simple, is convenient to processing, and erection is convenient.

Direct driving motor stator 16 comprises an installation portion, described installation portion be stator 16 upper end inner periphery extend internally formed one there is certain thickness annular flange, be threaded connection after described annular flange coordinates with the lower surface of lower house 15.Described direct driving motor stator installation portion is provided with the breach passed through for shift fork, and lower house lower surface is to indentation, there installing the sheet fixture 30 of shift fork 20.Described fixed structure is the installation portion of stator, and the inner periphery of described installation portion or the lower surface of described installation portion are provided with the spline tooth coordinated with clutch axle sleeve 19.

Shift fork 20 is driven by a drive unit, a buffer structure 29 is established between drive unit and shift fork 20, described buffer structure 29 is an elastic component, compression or the power stretched needed for this elastic component are greater than the power of stirring clutch axle sleeve 19, when shift fork 20 drives clutch axle sleeve 19 to move upward, the spline tooth of clutch axle sleeve 19 does not insert the spline of fixed structure, but withstood the spline tooth of fixed structure, this end of shift fork 20 can not move, now drive unit also moves at shift fork, if there is no buffer structure 29, the distortion of shift fork can be caused, or fracture, after being provided with buffer structure 29, now shift fork can not move, buffer structure moves, shift fork can not be out of shape or fracture.Compression or the power stretched needed for this elastic component are greater than the power of stirring clutch axle sleeve 19, and when namely not withstood under ensureing clutch axle sleeve 19 normal condition, drive unit shift fork 20 moves, and buffer structure can not be driven to move.Arrange buffer structure, shift fork can be avoided to be impacted, extend service life of shift fork, that it goes without doing is too thick and heavy for shift fork simultaneously, can realize stirring, cost-saving, reduces washer weight.

Concrete, the drive end 2003 of described shift fork 20 is driven by a drive unit, a buffer structure 29 is established between drive unit and drive end 2003, described buffer structure 29 is an elastic component, compression or the power stretched needed for this elastic component are greater than the power of stirring clutch axle sleeve 19, when shift fork 20 drives clutch axle sleeve 19 to move upward, the spline tooth of clutch axle sleeve 19 does not insert the spline of fixed structure, but withstood the spline tooth of fixed structure, can not move in the clicking section 2001 of shift fork 20, now drive unit also moves at shift fork, if there is no buffer structure 29, the distortion of shift fork can be caused, or fracture, after being provided with buffer structure 29, now drive unit drives, the clicking section 2001 of shift fork is motionless, buffer structure moves, the drive end 2003 of shift fork is motionless, so shift fork can not be out of shape or fracture.Compression or the power stretched needed for this elastic component are greater than the power of stirring clutch axle sleeve 19, and when namely not withstood under ensureing clutch axle sleeve 19 normal condition, drive unit shift fork 20 moves, and buffer structure can not be driven to move.

Concrete, described buffer structure 29 comprises a bearing pin 2901, bearing pin 2901 one end is provided with a circular end cap 2902, the other end spins a nut 2903, on bearing pin 2901 between end cap 2902 and nut 2903 a sheathed spring 2904, drive the power needed for described spring 2904 to be greater than the power driven needed for clutch axle sleeve 19.

Drive end 2003 is provided with through hole, be set on bearing pin 2901 by this through hole, and between nut 2903 and spring 2904, spring 2904 and nut 2903 can prop up drive end 2003 mutually, or described drive unit is provided with through hole, are set on bearing pin 2901 by this through hole, and between nut 2903 and spring 2904, circular end cap 2902 is towards the drive unit of shift fork 20, and described spring 2904 is in compressive state, and spring 2904 and nut 2903 can prop up drive end 2003 mutually.

The other end that circular end cap 2902 is positioned at bearing pin 2901 is an arc-shaped curved surface, is preferably a sphere curved surface.Be set to sphere curved surface, when with this curved face contact, farthest thrust can be assigned to bearing pin 2901 direction, shift fork 20 can be got final product by minimum power.

Braked wheel 11 is arranged a brake band 21, brake band 21 connects a brake arm 22, the central shaft 23 of brake arm 22 is fixedly mounted on speed-reducing clutch upper shell 14 lower surface or lower house 15 upper surface, the bottom that central shaft 23 is positioned at brake arm 22 is also provided with a linking arm 27, brake arm 22 drives linking arm 27 to move, linking arm 27 shift fork 20 moves, and driving clutch axle sleeve 19 slides up and down to be connected with rotational structure and fixed structure respectively and realizes dewatering and washing.Described linking arm 27 is the drive unit of shift fork.Brake arm 22 is drawn by traction electric machine 32.

Surface perpendicular to central shaft 23 on brake arm 22 and linking arm 27 bends out the first push jack 2201 and the second push jack 2701 respectively vertically, first push jack 2201 is relative with the second push jack 2701, and perpendicular to the direction that brake arm 22 and linking arm 27 rotate around central shaft 23.Brake arm 22 is when central axis, and the first push jack 2201 promotes the second push jack 2701 and moves, and the second push jack 2701 drives linking arm 27 to rotate around central shaft 23.

Arrange torsion spring between brake arm 22 and central shaft 23, arrange torsion spring between described linking arm 27 and central shaft 23, only need drive the motion in brake arm 22 1 directions, the motion in another direction realizes by the reset of torsion spring.

Under nature, the first push jack 2201 and the second push jack 2701 have certain distance.Can realize traction electric machine 32 can only drive brake band to unclamp under a less stroke, can not move by shift fork 20, when traction electric machine 32 arrives a larger stroke, first push jack 2201 contacts with the second push jack 2701, brake arm 22 could drive linking arm 27, and linking arm 27 is shift fork 20 again.

The center of the first push jack 2201 or the second push jack 2701 is provided with hole, installs a bolt by this hole, and bolt head is positioned at the gap of the first push jack 2201 and the second push jack 2701, is provided with pad between bolt head and the first push jack 2201 or the second push jack 2701.Distance between described pad adjustable first push jack 2201 and the second push jack 2701, ensures that the stroke of traction electric machine 21 and the position of clutch axle sleeve 19 match.

Linking arm 27 extends vertically or to bend out the 3rd push jack the 2702, three push jack 2702 relative with one end of shift fork, and shift fork moves.3rd push jack 2302 is the drive unit of shift fork 20.

Between 3rd push jack 2302 and shift fork 20, above-mentioned buffer structure is set, described shift fork is provided with through hole, be set on bearing pin 2901 by this through hole, and between nut 2903 and spring 2904, circular end cap is towards the 3rd push jack 2702, or described 3rd push jack 2302 is provided with through hole, be set on bearing pin 2901 by this through hole, and between nut 2903 and spring 2904, circular end cap 2902 is towards shift fork, and described spring 2904 is in compressive state.

The brake apparatus of speed-reducing clutch comprises the braked wheel 11 of train outside, with the brake band 21 of braked wheel 11 outside, the arrangement of clutch of described speed-reducing clutch comprises the shift fork 20 of can slide up and down clutch axle sleeve 19 and driving clutch axle sleeve, described brake band 21 and shift fork 20 share a traction electric machine 21, cost-saving, described traction electric machine 32 at least comprises two strokes.A traction electric machine 32 can realize the driving of brake band 21 and clutch axle sleeve 19, braked wheel 11 connects as one with the dehydrating shaft 12 of washing machine, when washing of drum type washing machine, output shaft 13 and dehydrating shaft 12 rotate backward, when laundry machine dehydration, dehydrating shaft 12 and output shaft 13 rotating in same direction, under washing state and dewatering state, braked wheel 11 all turns, just need brake arm 22 to control brake band 21 braked wheel 11 is unclamped, when washing of drum type washing machine, output shaft 13 and dehydrating shaft 12 rotate backward, clutch axle sleeve 19 is positioned at top and is connected with fixed structure, when laundry machine dehydration, dehydrating shaft 13 and output shaft 12 rotating in same direction, clutch axle sleeve 19 is positioned at bottom and is connected with rotational structure, under washing machine nature, clutch axle sleeve 19 leans on the power of spring to be positioned at bottom, so traction electric machine 32 arranges two strokes, during the first stroke, brake arm 22 is only driven to drive brake band 21 take-off the brake to take turns 11, during the second stroke, brake arm 22 is driven to drive brake band 21 take-off the brake to take turns 11, brake arm 22 drives linking arm 27 simultaneously, linking arm 27 shift fork 20, shift fork 20 is stirred clutch axle sleeve 19 and is moved upward.

Brake band 21 connects brake arm 22, brake arm 22 is provided with a central shaft 23 and is fixedly mounted on speed-reducing clutch upper shell 14 lower surface or lower house 15 upper surface, described brake arm 22 one end connects traction electric machine 32, the other end is connected with brake band, the bottom that central shaft is positioned at brake arm is also provided with a linking arm, brake arm drives linking arm motion, and linking arm shift fork moves, and shift fork driving clutch shaft cover slides up and down to be connected with rotational structure and fixed structure respectively and realizes dewatering and washing.

Traction electric machine 32 comprises the first stroke and the second stroke, the displacement of the traction of the first stroke is less than the displacement of the traction of the second stroke, under described first stroke state, brake arm 22 drives brake band 21 to unclamp, described shift fork 20 is failure to actuate, under described second stroke state, brake arm 22 drives brake band 21 to unclamp, and described shift fork 20 is stirred clutch axle sleeve 19 and is upwards connected with fixed structure.First stroke and the second stroke, brake band 21 is all releasing orientation, and the degree of just unclamping is different.Only to stop and without under state, brake band 21 is the states of holding tightly anxious, wear and tear in use procedure little, reduce the probability occurring the different sound of brake.

Surface perpendicular to central shaft 23 on brake arm 22 and linking arm 27 bends out the first push jack 2201 and the second push jack 2701 respectively vertically, first push jack 2201 is relative with the second push jack 2701, and perpendicular to brake arm 22 and linking arm 27 direction around central axis, under described first stroke state, first push jack 2201 does not contact with the second push jack 2701, under described second stroke state, the first push jack 2201 contacts with the second push jack 2701.Linking arm 27 extends vertically or to bend out the 3rd push jack the 2702, three push jack 2702 relative with one end of shift fork 20, and shift fork moves, and under described second stroke state, the 3rd push jack 2702 contacts with shift fork opposite end.

Under original state, described clutch axle sleeve is connected with rotational structure, and traction electric machine 32 is failure to actuate, and under washing state, traction electric machine is to the second stroke, and under dewatering state, traction electric machine 32 is the first stroke.

The radial outer part in lower house 15 lower surface is fixedly connected with direct driving motor stator 16, and the radial inner portion being concave upward in described lower house 15 lower surface forms a space 1501, installs the spring bearing 25 of braked wheel in this space 1501.Housing is divided into upper shell 14 and lower house 15, and upper shell 14 is connected with bottom the washtub of washing machine, and it is bottom that direct driving motor is directly installed on lower house, can reduce connector, reduces the number of washing machine parts, simplifies structure.The periphery of housing is the consistent column structure of about one diameter, makes hull outside bending few, is convenient to install.

The bottom of lower house 15 sidewall 1502 certain distance that radially bends inwards forms the first lower surface 1503, upwards the rear certain distance that extends of bending forms the second sidewall 1504 again, extend certain distance after bending inwards again and form the spring bearing 25 installing braked wheel 11 in space that the 3rd lower surface 1505, second sidewall 1504 and the 3rd lower surface 1505 formed.Described spring bearing is rolling bearing.

Direct driving motor stator comprises an installation portion 1602, described installation portion 1602 be stator 16 upper end inner periphery extend internally formed one there is certain thickness annular flange, described annular flange is threaded connection after coordinating with the first lower surface 1503 of lower house 15.The inner periphery of described installation portion 1602 is provided with spline tooth, or the lower surface of described installation portion 1602 is provided with spline tooth.

Clutch axle sleeve 19 is set in the outside of input axle sleeve 2, and axle sleeve 2 is slidably non-rotatable is connected with input, and described clutch axle sleeve 19 is arranged in the cavity of stator, and clutch axle sleeve moves up and the installation portion spline joint of stator, fixingly inputs axle sleeve.

embodiment seven

Present embodiments provide a kind of washing machine adopting above-mentioned a kind of decelerating clutch of washing machine, can be implemented in impeller and interior bucket in washing process and rotate backward, clean result is better.

The above is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model, any technical staff being familiar with this patent is not departing within the scope of technical solutions of the utility model, make a little change when the technology contents of above-mentioned prompting can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solutions of the utility model, according to any simple modification that technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all still belong in the scope of the utility model scheme.

Claims (13)

1. a decelerating clutch of washing machine, comprise deceleration device, deceleration device comprises housing, the train being arranged on the braked wheel (11) in housing and being arranged in braked wheel (11), the input of described train connects power shaft (1) and input axle sleeve (2) respectively, output connects output shaft (13) and dehydrating shaft (12) respectively, it is characterized in that, upper end and the dehydrating shaft (12) of described braked wheel (11) are rigidly connected, lower end is arranged in input axle sleeve (2), between the lower end of described braked wheel (11) and housing, clutch shaft bearing (24) is installed, second bearing (25) is installed between the upper end of braked wheel (11) and housing, or the second bearing (25) is installed between the lower end of described dehydrating shaft (12) and housing.

2. a kind of decelerating clutch of washing machine according to claim 1, it is characterized in that, described dehydrating shaft (12) comprises axis body (1201) and axle bed (1202), the upper end of described axis body (1201) is fixedly connected with the washtub of washing machine, and the lower end of axis body (1201) is fixedly connected with axle bed (1202) or one-body molded; Described axis body (1201) is upper arranges the axis body through hole (1203) being used for output shaft (13) and passing; Axle bed (1202) and the braked wheel (11) of described dehydrating shaft (12) are rigidly connected; Described the second bearing (25) is arranged on the junction of axis body (1201) lower end and axle bed (1202).

3. a kind of decelerating clutch of washing machine according to claim 2, it is characterized in that, described axis body (1201) is in bar shape, described axle bed (1202) is in the form of annular discs, described axis body (1201) lower end and axle bed (1202) one-body molded, described axle bed (1202) is formed by the lower end outward flanging of axis body (1201); Described axle bed (1202) arranges the positioning boss of bearing (25) installation site, location second with the junction of axis body (1201).

4. a kind of decelerating clutch of washing machine according to Claims 2 or 3, it is characterized in that, described braked wheel (11) offers opening near one end of dehydrating shaft (12), the axle bed (1202) of described dehydrating shaft (12) is fixedly connected with by the mode of riveting with braked wheel (11) opening, and the axle bed (1202) of described dehydrating shaft (12) covers the opening of braked wheel (11) completely.

5. a kind of decelerating clutch of washing machine according to claim 1, it is characterized in that, described braked wheel (11) comprises braking wheel cap (1104) and has the braked wheel body (1105) of internal chamber, upper end and the dehydrating shaft (12) of braked wheel body (1105) are rigidly connected, opening is offered in the lower end of braked wheel body (1105), and braking wheel cap (1104) is riveted on the lower end of braked wheel body (1105) and covers the closed interior chamber formed on the opening of braked wheel body (1105) for arranging train; Described clutch shaft bearing (24) is arranged between braking wheel cap (1104) and housing, and described the second bearing (25) is arranged between braked wheel body (1105) and housing.

6. a kind of decelerating clutch of washing machine according to claim 5, it is characterized in that, described braking wheel cap (1104) is disk-like structure, opening is offered in the center of disk-like structure, the opening sleeve of described braking wheel cap (1104) is contained on the input axle sleeve (2) of washing machine, the opening part of described braking wheel cap (1104) certain distance that axially stretches out forms clutch shaft bearing installation portion, and described clutch shaft bearing (24) is arranged between clutch shaft bearing installation portion and housing.

7. a kind of decelerating clutch of washing machine according to claim 6, it is characterized in that, install at least two between described clutch shaft bearing installation portion and input axle sleeve (2) and overlap the 3rd bearing (26), the 3rd described bearing (26) is rolling bearing.

8. a kind of decelerating clutch of washing machine according to claim 1, it is characterized in that, described housing comprises the upper shell (14) and lower house (15) respectively with internal chamber, and upper shell (14) and lower house (15) are fixedly connected to form the closed interior chamber for arranging braked wheel (11); On a mounting board, lower house (15) is positioned at the bottom of installing plate, the top reaching installing plate at least partly of upper shell (14) for described upper shell (14) and lower house (15) fixed installation; End, the upper end center position of described upper shell (14) caves inward formation second axle bearing mount portion, described the second bearing (25) is arranged on the second axle bearing mount portion, the lower end center position of described lower house (15) caves inward and forms clutch shaft bearing installation portion, and described clutch shaft bearing (24) is arranged on clutch shaft bearing installation portion.

9. a kind of decelerating clutch of washing machine according to claim 8, is characterized in that, described clutch shaft bearing (24), the second bearing (25) are rolling bearing.

10. a kind of decelerating clutch of washing machine according to claim 1, it is characterized in that, described train comprises double-layer planet gear train, lower floor's train of double-layer planet gear train comprises lower floor's central gear (3), the lower floor's planetary gear (4) be engaged with, lower floor's planetary wheel carrier (5) and lower floor's ring gear (6), lower floor's central gear (3) is fixedly connected with power shaft (1), lower floor's planetary gear (4) engages with lower floor's ring gear (6), and lower floor's ring gear (6) bottom is fixedly connected with input axle sleeve (2); The upper strata train of double-layer planet gear train comprises upper strata central gear (9), the upper strata planetary gear (8) be engaged with, upper strata planetary wheel carrier (7) and upper strata ring gear (10), upper strata central gear (9) is connected with output shaft (13), upper strata planetary gear (8) engages with upper strata ring gear (10), and upper strata ring gear (10) and braked wheel (11) are fixed by spline joint; The center position of described lower floor's planetary wheel carrier (5) is fixedly connected with upper strata central gear (9), and described upper strata planetary wheel carrier (7) and lower floor's ring gear (6) are fixed by spline joint; The peripheral outer wall of the corresponding train place, upper strata of described braked wheel (11) madial wall, upper strata ring gear (10) arranges spline tooth respectively, braked wheel (11) madial wall has gap between train place of corresponding lower floor and lower floor's ring gear (6).

11. according to a kind of decelerating clutch of washing machine in claim 1-3 or 5-10 described in any one, it is characterized in that, also comprise arrangement of clutch, described arrangement of clutch comprises clutch axle sleeve (19) and drives the shift fork (20) of clutch axle sleeve (19), described clutch axle sleeve (19) is fixedly connected with input axle sleeve (2) and can realizes dewatering and washing along inputting sliding axially of axle sleeve (2), clutch axle sleeve (19) is positioned at the cavity of the stator (16) of direct driving motor, the cavity that described shift fork (20) one end is positioned at stator (16) contacts with clutch axle sleeve (19) stirs clutch axle sleeve (19) axially-movable, the drive unit that the outside also connection of cavity that the other end is positioned at stator (16) is moved for shift fork (20), one buffer structure (29) is set between described drive unit and shift fork (20), described buffer structure (29) is an elastic component, described elastic component is compressed or power needed for stretching is greater than the power of stirring needed for clutch axle sleeve.

12. a kind of decelerating clutch of washing machine according to claim 11, it is characterized in that, described direct driving motor comprises rotor (17) and is arranged on the stator (16) in rotor (17), described stator (16) inside has cavity, the clutch axle sleeve (19) of decelerating clutch of washing machine is set in the cavity of stator (16), described clutch axle sleeve (19) upward sliding engages with stator (16) and realizes washing procedure, and clutch axle sleeve (19) slide downward engages with rotor (17) and realizes dehydration procedure; The upper setting of described stator (16) is used for engaging with clutch axle sleeve (19) and makes its fixing stator engaging piece (1607).

13. 1 kinds of washing machines with the decelerating clutch of washing machine described in claim 1-12 any one.