CN105734907B - A kind of use in washing machine speed-reducing clutch and washing machine - Google Patents

Abstract

The present invention relates to a kind of use in washing machine speed-reducing clutch, including a shell, the intracorporal braked wheel of shell, train inside braked wheel, further include can slide up and down clutch axle sleeve and drive clutch axle sleeve shift fork, one brake band is set between shell and braked wheel, brake band is arranged around braked wheel, one end is fixedly mounted on shell, the other end stretches out shell and connects a brake arm, brake arm is arranged on a central axis, central axis is fixedly mounted on shell, the lower part that central axis is located at brake arm is additionally provided with a linking arm, brake arm is drivingly connected arm movement, linking arm drives brake band and shift fork movement, driving clutch axle sleeve, which slides up and down, connect realization dehydration and washing with torque transmissioning shaft set and fixed hub respectively.

Description

A kind of use in washing machine speed-reducing clutch and washing machine

Technical field

The present invention relates to washing machine field, especially a kind of use in washing machine speed-reducing clutch and washing machine.

Background technique

Currently, the effect of the speed-reducing clutch of pulsator washing machine is usually band after the Double-directional rotary of motor is slowed down Dynamic impeller does reciprocating rotation.Conventional speed-reducing clutch mainly by input shaft, output shaft, output sleeve, input axle sleeve, braked wheel, The deceleration mechanism being mounted on inside braked wheel and the clutch components being mounted in input axle sleeve composition.When washing operating condition, Output shaft low-speed bidirectional is asked to rotate repeatedly, output sleeve and braked wheel are an entirety, and deceleration mechanism, which generally only rises, simply to be subtracted Speed effect, when braked wheel is braked, output sleeve is also braked, and driving motor bidirectional rotation can only drive output shaft accordingly double To rotation.

Existing twisting speed-reducing clutch, internal reduction mechanism simultaneously have not been changed, and only change clutch control mechanism, by Conventional list ratchet, single pawl, are changed to double ratchet wheels, double pawls, and when washing operating condition, braked wheel is tentatively unclamped (just complete when dehydration It is complete to unclamp), driving motor bidirectional rotation drives the corresponding bidirectional rotation of output shaft, while output sleeve is because being braked, and by Water flow reaction masterpiece rotation corresponding to output shaft opposite direction when output shaft rotates, corner very little, and by the resistance of clothing Power variation, it is unstable that the revolving speed and the amplitude of oscillation of output sleeve change at any time.Though being formed to stranding phenomenon, and not up to ideal Washing effect, and because the operating mechanism of brake band and double pawls is linkage, when washing, double pawls do not allow to leave ratchet (just being left when dehydration), therefore when washing, brake band is only preliminary release, and separation is not thorough, and increases friction and the mill of brake band Damage, improves the shaping and adjustment requirement to brake band.When dehydration condition, it is desirable that output shaft and output sleeve are whole as one The unidirectional high speed rotation of body, to achieve the purpose that centrifugal dehydration.In order to convert the operating condition of washing and dehydration, conventional speed-reducing clutch must Must be equipped with complete clutch parts such as ratchet, pawl, ratchet spring, brake spring, clutch axle sleeve, adjustment bolts, but itself is simultaneously Function without automatic clutch conversion must make brake spring that clutch action, Cai Nengzhuan occur through the manipulation of external traction electric machine The operating condition washed with dehydration is changed clothes, electric-control system and clutch steerable system are more complex, increase abrasion, increase brake bar Opening force directly affects the service life of associated components.

Improved twisting formula speed-reducing clutch, using the deceleration mechanism of bi-directional drive, deceleration mechanism is by will be electric The rotation output of machine turns to rotations opposite, that speed is different for two, thus respectively drive impeller and interior bucket carry out it is contrary, The different rotation of speed, and then play the role of carrying out clothing washing to washing by rubbing with the hands.The deceleration of existing washing machine bi-directional drive from Planet fixed shaft gear train drive mechanism, gear transmission structure and Oscillating Tooth Gear Reducer structure is usually used in clutch, due to general gear Transmission noise in the transmission of positive and negative twocouese is big, and to obtain manufacturing cost higher for Oscillating Tooth Gear Reducer structure, and therefore, planet fixed shaft gear train passes Dynamic structure is widely used.

Application No. is 03239381.4 Chinese patents to disclose a kind of automatic reduction clutch of washing machine, it mainly by Input shaft, output shaft, output sleeve, input axle sleeve, braked wheel and the double drive gear mechanism composition being mounted on inside braked wheel, Input shaft, output sleeve and output shaft are connected with double drive gear mechanism respectively, are equipped between braked wheel and output sleeve component Arrangement of clutch.When washing operating condition, output shaft and output sleeve are mutually reverse, two-way to drive in proportion, repeatedly swing rotary, relatively Strength rubs pendulum with the hands.When dehydration condition, is acted on by the locking of arrangement of clutch, output shaft and output sleeve can be made to combine automatically, simultaneously Make the unidirectional continuous rotation of high speed, centrifugal dehydration.

But the washing machine with above-mentioned speed-reducing clutch is when washing operating condition, interior bucket with impeller is frequently opposite operates, it is interior The moment of inertia that bucket generates acts directly on freewheel clutch, and with the increase of washing of drum type washing machine capacity, often because surmounting Clutch is bad and quality problem occurs.Opposition often is generated to unilateral bearing in interior bucket rotary course, unidirectionally Bearing is easy to appear failure phenomenon, while holding phenomenon tightly and clutch spring being caused to be damaged occur in clutch spring when just will appear washing；Separately Outside, it is separated due to dehydrating shaft with braked wheel, and is connect with retarder, interior bucket generates the amplitude of oscillation under dewatering state, acts directly on On dehydrating shaft, dehydration eccentric shaft is larger, causes vibration of washing machine is big noise occur.

In view of this present invention is specifically proposed.

Summary of the invention

It is an object of the present invention to overcome the deficiencies of the prior art and provide a kind of use in washing machine speed-reducing clutch, efficient, structure Simple and reliable two-way backwards rotation washing, the especially brake structure of speed-reducing clutch.

In order to realize the purpose, the present invention adopts the following technical scheme: a kind of use in washing machine speed-reducing clutch, including a shell Body, the intracorporal braked wheel of shell, the train inside braked wheel further include can slide up and down clutch axle sleeve and driving clutch axle sleeve A brake band is arranged in shift fork between shell and braked wheel, brake band is arranged around braked wheel, and one end is fixedly mounted on shell, separately One end stretches out shell and connects a brake arm, and brake arm is arranged on a central axis, and central axis is fixedly mounted on shell, central axis It is additionally provided with a linking arm positioned at the lower part of brake arm, brake arm is drivingly connected arm movement, and linking arm drives brake band and shift fork fortune Dynamic, driving clutch axle sleeve slides up and down realization dehydration and washing.

Surface on the brake arm and linking arm perpendicular to central axis bends out the first push jack and second respectively in axial direction Push jack, the first push jack and the second push jack are opposite, and the direction of central axis rotation is surrounded perpendicular to brake arm and linking arm.

Torsional spring is set between the brake arm and central axis, torsional spring, natural shape are set between the linking arm and central axis Under state, the first push jack and the second push jack have certain distance.

The center of first push jack or the second push jack is equipped with hole, installs a bolt by the hole, bolt head is located at the In the gap of one push jack and the second push jack, gasket is equipped between bolt head and the first push jack or the second push jack.

The linking arm axially extends or bends out third push jack, and third push jack is opposite with one end of shift fork, and driving is dialled Fork movement.

The brake arm includes the vertical plane of two parallel surfaces of two parallel surfaces and connection, and two parallel surfaces are oppositely arranged, and two is flat Row face is equipped with the through-hole that passes through for central axis, and the vertical plane extends one end, which connects a traction electric machine, it is described with It is bent on the opposite parallel surface of linking arm and extends first push jack vertical with the parallel surface.

The linking arm includes the vertical plane of two parallel surfaces of two parallel surfaces and connection, and two parallel surfaces are oppositely arranged, and two is flat Row face is equipped with the through-hole passed through for central axis, and the vertical plane, which bends and extends a laminated structure, forms third push jack, the piece Shape structure is opposite with the driving end of shift fork, bends on the parallel surface opposite with brake arm and extends one and hangs down with the parallel surface The second straight push jack, the second push jack are opposite with the first push jack.

Buffer structure is set between the third push jack and shift fork, and the buffer structure is an elastic component, the elastic component It is compressed or stretches power used and be greater than and stir power used in clutch axle sleeve.

The buffer structure include setting third push jack or shift fork driving end on and can with the laminated structure or shift fork The vertical movable movable part in direction in end is driven, a buffer spring is set on movable part, the preferably described movable part includes a pin shaft, Pin shaft one end is equipped with a round end cap, and the other end is screwed on a nut, and buffer spring is arranged between end cap and nut on pin shaft.

A kind of washing machine with the speed-reducing clutch.

After technical solutions according to the invention, bring following the utility model has the advantages that the present invention provides a kind of efficient, structures The speed-reducing clutch of simple and reliable two-way backwards rotation washing and the application scheme on washing machine, improve the biography of washing machine Efficiency of movement reduces energy consumption.Structure is simple, high reliablity, improves washing machine performance.Bearing capacity is improved, biography is overcome System double dynamical deceleration clutch dehydrating shaft is separated with braked wheel, and system rigidity is poor, the interior bucket amplitude of oscillation is big, noise is big under dewatering state etc. Defect；To keep deceleration wheel train structure novel, system stiffness is good, and bearing capacity is strong, reliable operation, and long service life realizes Washings is washed by rubbing with the hands in the water flow of stable ideal, improves clean ratio, reduces energy consumption, reduces and has even prevented washing Object wrapping phenomena.Shifting fork structure is simple, and driving is reliable, easy for installation, realizes the drive that clutch shaft is set in stator cavity It is dynamic, buffer structure is set, avoid clutch axle sleeve upper end and fixed hub spline not it is corresponding when caused by deformation or fracture, mention The service life of high shift fork.That it goes without doing is too thick and heavy for shift fork simultaneously, can be realized and stirs, save the cost reduces washer weight. Clutch and braking share a traction electric machine, and save the cost simplifies structure.

A specific embodiment of the invention is described in further detail with reference to the accompanying drawing.

Detailed description of the invention

Fig. 1: speed-reducing clutch of the present invention washs state cross-sectional view

Fig. 2: speed-reducing clutch dewatering state cross-sectional view of the present invention

Fig. 3: speed-reducing clutch of the present invention braking, clutch structure figure

Fig. 4: shifting fork structure figure of the present invention

Fig. 5: shifting fork structure figure of the present invention

Fig. 6: electric machine structure figure of the present invention

Fig. 7: input shaft structure figure of the present invention

Fig. 8: motor of the present invention and lower case connection structure diagram

Fig. 9: Structure explosion diagram of the invention；

Figure 10: the schematic perspective view of train assembly relation in upper layer of the present invention；

Figure 11: the schematic perspective view of upper layer train and braked wheel assembly relation of the present invention；

Figure 12: the schematic perspective view of lower layer's train assembly relation of the present invention；

Figure 13: the schematic perspective view of lower layer's train and input axle sleeve assembly relation of the present invention；

Figure 14: the schematic perspective view of dehydrating shaft of the present invention；

Figure 15: the schematic perspective view of braked wheel of the present invention；

Figure 16: the assembly explosive view of braked wheel and dehydrating shaft of the invention；

Wherein, 1, input shaft, 2, input axle sleeve, 3, lower layer's central gear, 4, lower layer's planetary gear, 5, lower layer's planetary wheel carrier, 6, lower layer's internal gear, 7, upper layer planetary wheel carrier, 8, upper layer planetary gear, 9, upper layer centre wheel, 10, upper layer internal gear, 11, braking Wheel, 12, dehydrating shaft, 13, output shaft, 14, upper housing, 15, lower case, 1501, space, 1502, side wall, the 1503, first lower end Face, 1504, second sidewall, 1505, third lower end surface, 16, stator, 1601, notch, 1602, mounting portion, 1603, spline tooth, 1604, neck, 17, rotor, 18 torque transmissioning shaft sets, 19, clutch axle sleeve, 20, shift fork, 21, brake band, 22, brake arm, 2201, One push jack, 23, central axis, 24, first bearing, 25, second bearing, 26,3rd bearing, 27, linking arm, the 2701, second push jack, 2702, third push jack, 29, buffer structure, 2901, pin shaft, 2902, end cap, 2903, nut, 2904, buffer spring, 30, fixation Part, 3001, first lug, 31, torsional spring, 32, traction electric machine.

Specific embodiment

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, a kind of use in washing machine deceleration clutch of the present invention Device, including at least a shell, positioned at the intracorporal braked wheel 11 of shell, the train in braked wheel 11, lower part of the housing is fixedly connected One direct driving motor, the cavity of direct driving motor stator 16 is interior to be arranged the clutch axle sleeve 19 that can slide up and down, and glides in clutch axle sleeve 19 Dynamic to connect realization dehydration and washing with torque transmissioning shaft set 18 and fixed hub respectively, clutch axle sleeve 19 is driven by shift fork 20, described There is a gap between 19 lateral wall of 16 inner sidewall of stator and clutch axle sleeve, the top that stator 16 is located at the gap is equipped with a notch 1601, the shift fork 20, which protrudes into the notch 1601 and is at least partially disposed in 16 cavity of stator to contact with clutch axle sleeve 19, stirs clutch Axle sleeve 19 is axially moved.

Clutch axle sleeve 19, which is arranged, can shorten speed-reducing clutch axial height in 16 cavity inside of stator, can save axially mounted Space.20 one end of shift fork is protruded into cavity, the movement of clutch axle sleeve 19 is driven, since clutch axle sleeve is arranged in 16 cavity of stator 19, the gap between 19 lateral wall of clutch axle sleeve and the inner sidewall of stator 16 is smaller, and the driving device of shift fork 20 can not be arranged in In cavity, therefore the driving device of shift fork 20 is arranged in the outside of cavity, and around shell, therefore the other end of shift fork 20 is necessary It around the outside of cavity, shell, is driven by driving device, 16 inner sidewall of stator and 19 lateral wall gap of clutch axle sleeve Top is equipped with a notch 1601, and shift fork protrudes into cavity inside by the notch 1601 and goes driving clutch axle sleeve 19.

Spring is arranged in the top of clutch axle sleeve 19, and 20 need of shift fork stir the upward movement of clutch axle sleeve 19, clutch axle sleeve 19 downward movements are realized by spring and the gravity of clutch axle sleeve 19 itself.

Shift fork 20 includes at least the company moved with the clicking section 2001 of the contact of clutch axle sleeve 19 and driving clicking section 2001 Socket part 2002, the clicking section 2001 are located at 16 cavity inside of stator, and the interconnecting piece 2002 and a fixing piece 30 are hinged, one end Outside 16 cavity of stator, the other end is stretched in 16 cavity of stator.

Interconnecting piece 2002 can be structure as a whole with clicking section 2001, and the clicking section 2001 is half arc-shaped structure, Circular arc concave surface 2004 is extended outward towards stator 16 towards the side of stator 16 towards clutch axle sleeve 19, arc convex surface 2005 It bends and extends to outside 16 cavity of stator upwards behind one laminated structure to the intermediate position in stator 16 and the gap of clutch axle sleeve 19 Portion, then radially outward bend and extend along stator 16, it is hinged with a fixing piece 30, and shell is fixed to by the fixing piece 30 On, then extend upward a driving end 2003.This kind of shift fork integral structure, shift fork are integrally formed, and are convenient for modularized production, are reduced The notch that the top in the quantity of the part of washing machine, this kind of 16 inner sidewall of situation stator and 19 lateral wall gap of clutch axle sleeve is set The 1601 larger or described notches 1601 are a gap.

Or interconnecting piece 2002 and clicking section 2001 are separate structure, the clicking section 2001 is half arc-shaped structure, Circular arc concave surface 2004 is extended out to towards stator 16 towards the side of stator 16 towards clutch axle sleeve 19, arc convex surface 2005 The intermediate position in the gap of stator 16 and clutch axle sleeve 19, the interconnecting piece 2002 are that a laminated structure and a fixing piece 30 are cut with scissors It connects, one end bends downward and extends in 16 cavity of stator the gap for being located at stator 16 and clutch axle sleeve 19 with clicking section 2001 One end is fixedly connected, and 2002 other end of interconnecting piece extends radially outwardly along stator 16, then is folded upward at and is extended a driving end 2003.This kind of structure is easy to disassemble convenient for assembly.

Interconnecting piece 2002 extends to the gap that clicking section 2001 is located at stator 16 and clutch axle sleeve 19 into 16 cavity of stator One end after bend inwards and extend, form a part Chong Die with clicking section 2001, the two is connected through a screw thread in the part. The structure of each part of this kind of situation is simple, facilitates processing.

Shell includes upper housing 14 and lower case 15, and fixing piece 30 is fixed on lower casing, 15 laminated structure, with lower casing for one 15 lower end of body is arranged in parallel, the installation of the interconnecting piece 2002 of fixing piece 30 and shift fork 20 are as follows: set on the surface of the laminated structure There are two the first lugs 3001 perpendicular to the surface, and two first lugs 3001 are oppositely arranged, and are set in first lug 3001 There is the first mounting hole, two the second lugs 2006 are oppositely arranged on the interconnecting piece 2002, two the second lugs 2006 are set relatively It sets, and the second lug 2006 is equipped with the second mounting hole and is connected after the first mounting hole is aligned with the second mounting hole by pin shaft, Pin shaft is equipped with torsional spring.Only need shift fork 20 to the movement in a direction, the movement in another direction is automatic by the power of torsional spring It resets.This kind of connection type structure is simple, easy to process, assembles easy for installation.

As shown in fig. 6, direct driving motor stator 16 includes a mounting portion 1602, the mounting portion 1602 is in 16 upper end of stator Circumference extend inwardly to form one have certain thickness circular ring shape flange, the lower end surface of the circular ring shape flange and lower case 15 It is connected through a screw thread after cooperation.The direct driving motor stator mounting portion 1602 is equipped with the notch 1601 passed through for shift fork, lower casing Body lower end surface corresponds to the sheet fixing piece 30 that shift fork 20 is installed at the notch 1601.Fixed hub is structure as a whole with stator 16. The fixed hub is the mounting portion of stator 16, the inner periphery of the mounting portion 1602 or the lower end surface of the mounting portion 1602 Equipped with the spline tooth cooperated with clutch axle sleeve 19.

The specific stator 16 is a column structure, and cylinder center is equipped with cavity, and cylinder inner periphery extends upward one Neck 1604, the neck 1604 are equipped with a notch 1601, and the shift fork passes through the notch 1601 and protrudes into 16 cavity of stator.

Neck 1604 outwardly or inwardly bends and extends a peace for forming stator with certain thickness circular ring shape flange Dress portion 1602, the mounting portion 1602 are equipped with a notch 1601, and the shift fork 20 passes through the notch 1601 and protrudes into stator cavity It is interior, it is connected through a screw thread after the mounting portion and the lower end surface cooperation of lower case 15.

Fixed hub is the spline tooth 1603 of the inner periphery setting of the upper end of 16 cavity of stator, and the preferably described fixed hub is The spline tooth 1603 of the lower end surface setting of the inner periphery or mounting portion 1602 of mounting portion 1602 cooperated with clutch axle sleeve 19.

Shift fork 20 is driven by a driving device, and a buffer structure 29, the buffering are set between driving device and shift fork 20 Structure 29 is an elastic component, and power needed for compressing or stretching the elastic component is greater than the power for stirring clutch axle sleeve 19, when shift fork 20 When driving clutch axle sleeve 19 moves upwards, the spline tooth of clutch axle sleeve 19 is not inserted into the spline of fixed hub, but withstands The spline tooth of fixed hub, this end of shift fork 20 cannot move, and driving device is also moved in shift fork at this time, such as Fruit does not have buffer structure 29, will cause the deformation of shift fork, or fractures, provided with shift fork cannot move at this time after buffer structure 29 , buffer structure movement, shift fork will not deform or fracture.Power needed for compressing or stretching the elastic component, which is greater than, stirs clutch shaft The power of set 19, when guaranteeing not withstood under 19 normal condition of clutch axle sleeve, driving device shift fork 20 is moved, and cannot drive Dynamic buffer structure movement.Buffer structure is set, can avoid shift fork and impacted, extend the service life of shift fork, while shift fork is not What is be used as is too thick and heavy, can be realized and stirs, save the cost, reduces washer weight.

Specifically, the driving end 2003 of the shift fork 20 is driven by a driving device, driving device and driving end 2003 Between set a buffer structure 29, the buffer structure 29 is an elastic component, and power needed for compressing or stretching the elastic component is greater than The power for stirring clutch axle sleeve 19, when shift fork 20 drives clutch axle sleeve 19 to move upwards, the spline tooth of clutch axle sleeve 19 is not inserted Enter the spline of fixed hub, but withstood the spline tooth of fixed hub, the clicking section 2001 of shift fork 20 cannot move , driving device is also moved in shift fork at this time, if will cause the deformation of shift fork without buffer structure 29, or fracture, Provided with driving device driving at this time after buffer structure 29, the clicking section 2001 of shift fork is motionless, buffer structure movement, the drive of shift fork Moved end 2003 is motionless, so shift fork will not deform or fracture.Power needed for compressing or stretching the elastic component, which is greater than, stirs clutch The power of axle sleeve 19, when guaranteeing not withstood under 19 normal condition of clutch axle sleeve, driving device shift fork 20 is moved, and cannot Drive buffer structure movement.

Shift fork 20 includes at least the interconnecting piece 2002 of the clicking section 2001 contacted with clutch axle sleeve and the movement of driving clicking section, Connecting portion in one end outside cavity be driving end, driving end be a laminated structure, the driving device be a laminated structure, two Person is oppositely arranged, and buffer structure is fixed between two laminated structures with one of laminated structure, with another laminated structure Relatively.

The buffer structure 29 include setting third push jack or shift fork driving end on and can with the laminated structure or group The vertical movable movable part in direction in driving end is pitched, a buffer spring is set on movable part, specifically, the buffer structure 29 wraps Include a pin shaft 2901,2901 one end of pin shaft is equipped with a round end cap 2902, and the other end is screwed on a nut 2903, and pin shaft 2901 is upper A buffer spring 2904 is arranged between end cap 2902 and nut 2903, power needed for driving the buffer spring 2904, which is greater than, drives Power needed for dynamic clutch axle sleeve 19.

It drives end 2003 to be equipped with through-hole, is set on pin shaft 2901 by the through-hole, drive end 2003 and pin shaft that can live Dynamic connection, and between nut 2903 and buffer spring 2904, buffer spring 2904 and nut 2903 can mutually resist driving End 2003 or the driving device are equipped with through-hole, are set on pin shaft 2901 by the through-hole, driving device and pin shaft can It is flexibly connected, and between nut 2903 and buffer spring 2904, driving device of the round end cap 2902 towards shift fork 20, institute It states spring 2904 and is in compressive state, spring 2904 and nut 2903 can mutually resist driving end 2003.

The other end that round end cap 2902 is located at pin shaft 2901 is an arc-shaped curved surface, preferably a sphere curved surface.It is set as Thrust can be assigned to 2901 direction of pin shaft to the greatest extent when with the curved face contact by sphere curved surface, can use the smallest power Shift fork 20 can be driven.

Braked wheel 11 is set in shell, a brake band 21 is set between braked wheel 11 and shell, and brake band 21 is around braked wheel 11 settings, one end are fixedly mounted on shell, and the other end stretches out shell and connects a brake arm 22, and brake band 21 connects a brake arm 22, the central axis 23 of brake arm 22 is fixedly mounted on 15 upper surface of 14 lower surface of speed-reducing clutch upper housing or lower case, in The lower part that mandrel 23 is located at brake arm 22 is additionally provided with a linking arm 27, and brake arm 22 is drivingly connected arm 27 and moves, and linking arm 27 drives Dynamic shift fork 20 moves, and driving clutch axle sleeve 19, which slides up and down, to be connect realization dehydration respectively and washed with torque transmissioning shaft set and fixed hub It washs.The linking arm 27 is the driving device of shift fork.Brake arm 22 is drawn by traction electric machine 32.

Surface on brake arm 22 and linking arm 27 perpendicular to central axis 23 bends out the first push jack 2201 respectively in axial direction With the second push jack 2701, the first push jack 2201 and the second push jack 2701 are opposite, and surround perpendicular to brake arm 22 and linking arm 27 The direction that central axis 23 rotates.When brake arm 22 rotates around center axis, the first push jack 2201 pushes the movement of the second push jack 2701, the Two push jacks 2701 drive linking arm 27 to rotate around central axis 23.

Torsional spring is set between brake arm 22 and central axis 23, torsional spring is set between the linking arm 27 and central axis 23, only The movement in 22 1 directions of brake arm need to be driven, the movement in another direction is realized by the reset of torsional spring.

Under natural conditions, the first push jack 2201 and the second push jack 2701 have certain distance.Traction electric machine 32 can be achieved one Brake band can only be driven to unclamp under a lesser stroke, be unable to the movement of shift fork 20, when the arrival of traction electric machine 32 one is larger Stroke when, the first push jack 2201 and the contact of the second push jack 2701, brake arm 22 could be drivingly connected arm 27, and linking arm 27 drives again Dynamic shift fork 20.

The center of first push jack 2201 or the second push jack 2701 is equipped with hole, installs a bolt, bolt head position by the hole In the gap of the first push jack 2201 and the second push jack 2701, between bolt head and the first push jack 2201 or the second push jack 2701 Equipped with gasket.The gasket can adjust the distance between the first push jack 2201 and the second push jack 2701, guarantee the row of traction electric machine 21 The position of journey and clutch axle sleeve 19 matches.

Brake arm 22 includes two parallel surfaces and the vertical plane for connecting two parallel surfaces, and two parallel surfaces are oppositely arranged, and two is parallel Face is equipped with the through-hole passed through for central axis, and the vertical plane extends one end, which connects a traction electric machine, described and company It connects and first push jack vertical with the parallel surface is bent and extended on the opposite parallel surface of arm.

Linking arm 27 axially extends or bends out third push jack 2702, and third push jack 2702 is opposite with one end of shift fork, Shift fork movement.The third push jack 2302 is the driving device of shift fork 20.

Linking arm 27 includes two parallel surfaces and the vertical plane for connecting two parallel surfaces, and two parallel surfaces are oppositely arranged, and two is parallel Face is equipped with the through-hole passed through for central axis, and the vertical plane, which bends and extends a laminated structure, forms third push jack, the sheet Structure is opposite with the driving end of shift fork, bends on the parallel surface opposite with brake arm and to extend one vertical with the parallel surface The second push jack, the second push jack is opposite with the first push jack.

Above-mentioned buffer structure is set between third push jack 2302 and shift fork 20, and the shift fork is equipped with through-hole, logical by this Hole is set on pin shaft 2901, and between nut 2903 and buffer spring 2904, round end cap towards third push jack 2702, Or the third push jack 2302 is equipped with through-hole, is set on pin shaft 2901 by the through-hole, and is located at nut 2903 and delays It rushes between spring 2904, round end cap 2902 is in compressive state towards shift fork, the buffer spring 2904.

The brake apparatus of speed-reducing clutch includes the brake band 21 outside braked wheel 11 and braked wheel 11 outside train, The arrangement of clutch of the speed-reducing clutch include can slide up and down clutch axle sleeve 19 and drive clutch axle sleeve shift fork 20, it is described Brake band 21 and shift fork 20 share a traction electric machine 21, save the cost, and the traction electric machine 32 includes at least two strokes.One The driving of brake band 21 and clutch axle sleeve 19 can be realized in a traction electric machine 32, and braked wheel 11 is connect with the dehydrating shaft 12 of washing machine It is integrated, when washing of drum type washing machine, output shaft 13 and dehydrating shaft 12 are rotated backward, when laundry machine dehydration, dehydrating shaft 12 and defeated Shaft 13 rotates in same direction, and washs under state and dewatering state, braked wheel 11 all turns, it is necessary to which brake arm 22 controls brake band 21 unclamp braked wheel 11, and when washing of drum type washing machine, output shaft 13 and dehydrating shaft 12 are rotated backward, and clutch axle sleeve 19 is located at top Connect with fixed hub, when laundry machine dehydration, dehydrating shaft 13 and output shaft 12 are rotate in same direction, clutch axle sleeve 19 be located at lower part with Torque transmissioning shaft set connection, under natural conditions, clutch axle sleeve 19 is that the power of spring is leaned on to be located at lower part to washing machine, so traction electric machine 32 Two strokes are set, when first stroke, a brake arm 22 are only driven to drive 21 take-off the brake wheel 11 of brake band, when second stroke, are driven Dynamic brake arm 22 drives 21 take-off the brake wheel 11 of brake band, while brake arm 22 is drivingly connected arm 27,27 shift fork of linking arm 20, shift fork 20 is stirred clutch axle sleeve 19 and is moved upwards.

Brake band 21 connects brake arm 22, and brake arm 22 is equipped with a central axis 23 and is fixedly mounted on speed-reducing clutch upper housing 15 upper surface of 14 lower surfaces or lower case, described 22 one end of brake arm connect traction electric machine 32, the other end and braking band connection, in The lower part that mandrel is located at brake arm is additionally provided with a linking arm, and brake arm is drivingly connected arm movement, and the movement of linking arm shift fork is dialled Fork driving clutch axle sleeve, which slides up and down, connect realization dehydration and washing with torque transmissioning shaft set and fixed hub respectively.

Traction electric machine 32 includes first stroke and second stroke, and the displacement of the traction of first stroke is less than leading for second stroke The displacement drawn, under the first stroke state, brake arm 22 drives brake band 21 to unclamp, and the shift fork 20 is failure to actuate, and described the Under two stroke states, brake arm 22 drives brake band 21 to unclamp, and the shift fork 20 stirs clutch axle sleeve 19 upwards and fixed hub Connection.First stroke and second stroke, brake band 21 are all releasing orientations, and the degree only unclamped is different.Only in emergency stop, fortune Row is completed or manually under out-of-work state, and brake band 21 is holding state, wears small in use process, and reduction is braked The probability of abnormal sound.

Surface on brake arm 22 and linking arm 27 perpendicular to central axis 23 bends out the first push jack 2201 respectively in axial direction With the second push jack 2701, the first push jack 2201 and the second push jack 2701 are opposite, and surround perpendicular to brake arm 22 and linking arm 27 The direction of central axis rotation, under the first stroke state, the first push jack 2201 and the second push jack 2701 are not contacted, and described second Under stroke state, the first push jack 2201 and the contact of the second push jack 2701.Linking arm 27 axially extends or bends out third push jack 2702, third push jack 2702 is opposite with one end of shift fork 20, shift fork movement, under the second stroke state, third push jack 2702 end in contact opposite with shift fork.

Under original state, the clutch axle sleeve and torque transmissioning shaft set are connected, and traction electric machine 32 is failure to actuate, under washing state, is led Draw motor to second stroke, under dewatering state, traction electric machine 32 is first stroke.

The radially outer part in 15 lower end surface of lower case is fixedly connected with direct driving motor stator 16,15 lower end of lower case Face diameter is recessed upwards to inner part and forms a space 1501, the spring bearing 25 of installation braked wheel in the space 1501.Shell Body is divided into upper housing 14 and lower case 15, and upper housing 14 is connect with the outer barrel bottom of washing machine, and direct driving motor is directly installed on down Shell is lower part, can reduce connector, reduces the number of washing machine parts, simplifies structure.The periphery of shell is about one straight The consistent column structure of diameter, keeps hull outside bending few, is easily installed.

The bottom end of 15 side wall 1502 of lower case bends certain distance radially inward and forms the first lower end surface 1503, then upwards Extend certain distance after bending and form second sidewall 1504, then extends certain distance after bending inwards and form third lower end surface 1505, the spring bearing 25 of second sidewall 1504 and installation braked wheel 11 in the space of the formation of third lower end surface 1505.The branch Support bearing is rolling bearing.

Direct driving motor stator includes a mounting portion 1602, and the mounting portion 1602 is that 16 upper end inner periphery of stator extends internally One formed has certain thickness circular ring shape flange, the first lower end surface 1503 cooperation of the circular ring shape flange and lower case 15 After be connected through a screw thread.The inner periphery of the mounting portion 1602 is equipped with spline tooth or the lower end surface of the mounting portion 1602 is set There is spline tooth.

Clutch axle sleeve 19 be set in input axle sleeve 2 outside and the slidably non-rotatable connection of input axle sleeve 2, it is described from Sympodium set 19 is arranged in the cavity of stator, and clutch axle sleeve is moved up to be connect with the mounting portion spline of stator, fixed input shaft Set.

As shown in Figure 1, Figure 2, shown in Fig. 7, speed-reducing clutch include motor, input shaft 1, input axle sleeve 2, train, output shaft 13, Dehydrating shaft 12, described 1 one end of input shaft are connect with rotor 17, and the other end is connect with train, close to electricity on the input shaft 1 Machine rotor position is equipped with torque transmissioning shaft set 18, and torque transmissioning shaft set 18 is and disc structure which is provided with spline tooth, the biography square Axle sleeve 18 and input shaft 1 are integrally formed.

The excircle of torque transmissioning shaft set 18 is equipped with the upper surface that spline tooth or the torque transmissioning shaft cover and is equipped with spline tooth.Clutch shaft Set 19 is set in outside and the slidably non-rotatable connection of input axle sleeve 2 of input axle sleeve 2, and the setting of clutch axle sleeve 19 exists In the cavity of stator 16, clutch axle sleeve 19 is moved down to be connect with torque transmissioning shaft 18 splines of set, and input axle sleeve 2 and input shaft 1 are connected It connects.

One end that input shaft 1 is connect with train is equipped with a central gear 3, and the central gear 3 is integrally formed with input shaft 1 Or it is fixedly connected.

One end that input shaft 1 is connect with rotor 17 passes through stop nut connection or input shaft 1 and rotor 17 One end of connection is connected by nut, and check washer is equipped between nut and rotor 17.

As shown in Figure 1, Figure 2, shown in Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, a kind of decelerating clutch of washing machine of the invention, packet The double-layer planet gear train for including braked wheel 11 and setting within it, lower layer's train of double-layer planet gear train include lower layer's central gear 3, Lower layer's planetary gear 4, lower layer's planetary wheel carrier 5 and the lower layer's ring gear 6 being engaged with, lower layer's central gear 3 and input shaft 1 are fixed to be connected It connects, lower layer's planetary gear 4 is engaged with lower layer ring gear 6, and 6 lower part of lower layer's ring gear is fixedly connected with input axle sleeve 2；The double-deck planetary gear Upper layer planetary gear 8, upper layer planetary wheel carrier 7 and the upper layer ring gear that the upper layer train of system includes upper layer central gear 9, is engaged with 10, upper layer central gear 9 is connect with output shaft 13, and upper layer planetary gear 8 is engaged with upper layer ring gear 10, outside upper layer ring gear 10 It encloses and is fixedly connected with braked wheel 11；The center position of lower layer's planetary wheel carrier 5 is fixedly connected with upper layer central gear 9, The upper layer planetary wheel carrier 7 is fixedly connected with the mode that lower layer ring gear 6 is connected by key.

Decelerating clutch of washing machine of the invention includes upper layer and lower layer planetary gear train, between upper layer and lower layer planetary gear train all into It the transmission of action edge and redistributes, output shaft 13 connects the impeller of washing machine, and dehydrating shaft 12 connects the interior bucket of washing machine, this hair Interior bucket and impeller rotate backward when bright speed-reducing clutch cooperation arrangement of clutch realizes washing of drum type washing machine.Meanwhile to slow down from The structure of clutch and the connection type of inside are improved, so that the transmission of decelerating clutch of washing machine of the invention is more It is steady reliable, overall structural strength is higher.

Train of the invention is made of upper layer and lower layer planetary gear train, since upper layer train passes through upper layer planetary wheel carrier 7 under Layer ring gear 6 is fixedly connected, upper layer central gear 9 is fixedly connected with lower layer planetary wheel carrier 5 mode is realized lower layer's train Power transmission give upper layer train, and then be transferred to output shaft 13 and dehydrating shaft 12.Therefore, the present invention passes through to upper layer planetary gear Frame 7, upper layer central gear 9, lower layer's planetary wheel carrier 5 structure be designed, upper layer planetary gear is realized by the way of key connection Frame 7 and lower layer ring gear 6, upper layer central gear 9 are fixedly connected with lower layer planetary wheel carrier 5, and connection type is simple and reliable, so that The power transmission of speed-reducing clutch of the invention is more stable, and the service life is longer, and reduces manufacturing cost, has good Market popularization value.

How the knot of upper layer planetary wheel carrier 7, lower layer ring gear 6 fixation, upper layer central gear 9, lower layer planetary wheel carrier 5 is designed Structure, and how to realize the fixation of upper layer planetary wheel carrier 7 Yu lower layer's ring gear 6, upper layer central gear 9 and lower layer's planetary wheel carrier 5 Connection type is the key that realize the technology of the present invention purpose.Specifically, the following technical solution is used:

Upper layer planetary wheel carrier 7 of the present invention is fixedly connected with the mode that lower layer ring gear 6 is connected by key, described Connecting key is set on upper layer planetary wheel carrier 7, the company for assembling upper layer planetary wheel carrier (7) is set on lower layer's ring gear 6 Connect lower layer's ring gear interconnecting piece 602 of key.

Further, the connecting key on the upper layer planetary wheel carrier 7 is spline tooth, lower layer's ring gear interconnecting piece 602 be the spline tooth socket being arranged on the inner wall at 6 upper end opening of lower layer's ring gear, the spline of the upper layer planetary wheel carrier 7 It achieves a fixed connection in the spline tooth socket of tooth insertion lower layer's ring gear 6.

Upper layer planetary wheel carrier 7 includes upper layer planetary gear stand 704 and upper layer planetary wheel carrier lid 701, upper layer planetary gear stand It is vertically arranged on 704 circumference multiple for connecting the upper connecting column 703 of upper layer planetary wheel carrier lid 701；The upper layer planet Wheel 8 is arranged between the upper layer planetary wheel carrier lid 701 of upper layer planetary wheel carrier 7 and upper layer planetary gear stand 704, the upper layer row The upper layer planetary gear stand 704 of star wheel frame 7 is fixedly connected with lower layer ring gear 6 by spline connection type.

Upper layer planetary gear stand 704 and upper layer planetary wheel carrier lid 701 of the invention is disk-like structure, and the two passes through upper company Column 703 is connect to connect to form upper layer planetary wheel carrier 7, the upper connector 703 and upper layer planetary gear stand 704 be one at Type, multiple columns, which are stretched out, in the disk circumferential direction by upper layer planetary gear stand 704 forms upper connector 703.It is corresponding, Multiple through-holes matched with upper connector 703 are opened up in the disk of upper layer planetary wheel carrier lid 701, the connector 703 is inserted Entering, which can be realized in the through-hole on upper layer planetary wheel carrier lid 701, is connected as one.The upper layer planetary gear 8 is mounted on upper layer On planet carrier 7, specifically, on upper layer, the disk of planetary gear stand 704 is circumferentially upper circumferentially opens up multiple upper installing holes 705, upper peace Dress hole 705 is blind hole, is inserted into upper layer planet wheel spindle 702 in blind hole, the upper layer planetary gear 8 is mounted on upper layer planet wheel spindle Rotation can be realized on 702, meanwhile, it can revolve with upper layer planetary wheel carrier 7.Upper layer planetary wheel carrier 7 of the invention it is whole Body Standard is simple, and stability with higher.

The upper layer planetary gear stand 704 of upper layer planetary wheel carrier 7 of the invention is in lower part when due to installation, closer under Layer train, therefore, the connection of lower layer's ring gear 6 of upper layer planetary wheel carrier 7 and lower layer's train mainly passes through upper layer planetary gear stand 704 are fixedly connected with realization with lower layer ring gear 6.In this way, assembly connection can be carried out along a direction, enhanced convenience is quick.

Specifically, the periphery of the upper layer planetary gear stand 704 of the upper layer planetary wheel carrier 7, lower layer's ring gear 6 lean on Spline is respectively set on the inner wall of nearly upper layer train one end.So during installation, it is only necessary to by the flower of upper layer planetary gear stand 704 Being fixedly connected between the two can be realized in the spline of key insertion lower layer's ring gear 6, and connection type is simple, the mode being fixedly connected It is reliable and stable.In addition, in processing, processing lower layer since the inside of lower layer's ring gear 6 is provided with lower layer's ring gear internal tooth 601 It is more convenient in interior gear ring inner processing spline tooth while ring gear internal tooth 601.

Lower layer's planetary wheel carrier 5 includes lower layer's planetary wheel carrier seat 501 and lower layer's planetary wheel carrier lid 504, lower layer's planetary wheel carrier seat It is vertically arranged on 501 circumference multiple for connecting the lower connecting column 502 of lower layer's planetary wheel carrier lid 504；Lower layer's planet Wheel 4 is arranged between lower layer's planetary wheel carrier seat 501 of lower layer's planetary wheel carrier 5 and lower layer's planetary wheel carrier lid 504, the lower row Lower layer's planetary wheel carrier seat 501 of star wheel frame 5 is connected through a screw thread with upper layer central gear 9, spline is connect or hole pin assembly Mode is fixedly connected.

The mounting means of the mounting means and upper layer planetary wheel carrier 7 of lower layer's planetary wheel carrier 5 of the invention is essentially identical, lower layer Planetary gear stand 501 and lower layer's planetary wheel carrier lid 504 are disk-like structure, and the two connects to be formed by lower connecting column 503 Lower layer's planetary wheel carrier 5.Lower layer's planetary gear 4 is mounted on lower layer's planet carrier 5, specifically, in lower layer's planetary wheel carrier seat 501 Disk it is circumferentially upper circumferential open up multiple lower mounting holes 506, lower mounting hole 506 is blind hole, is inserted into lower layer's planet wheel spindle in blind hole 503, lower layer's planetary gear 4, which is mounted on lower layer's planet wheel spindle 503, can be realized rotation, meanwhile, it can be with lower layer's planet Wheel carrier 5 revolves.The overall structure assembly of lower layer's planetary wheel carrier 5 of the invention is simple, and stability with higher.

Specifically, when lower layer's planetary wheel carrier seat 501 is threadedly coupled with upper layer central gear 9, lower layer's planetary gear Frame interconnecting piece 505 is threaded hole, and the lower end outward flanging of the upper layer central gear 9 forms upper layer central gear mounting base 901, threaded hole is opened up in upper layer central gear mounting base 901, and lower layer's planetary wheel carrier seat 501 is passed through using bolt or screw Threaded hole on threaded hole and upper layer central gear 9 achieves a fixed connection, and fixation is more reliable by the way of threaded connection, Ensure the stability of power transmission.

When lower layer's planetary wheel carrier seat 501 is connect with 9 spline of upper layer central gear, 501 centre bit of lower layer's planetary wheel carrier seat The place of setting opens up opening, and lower layer's planetary wheel carrier interconnecting piece 505 is the spline being arranged on opening inner wall, the upper layer center The spline that the lower part setting of gear 9 is matched with the spline on lower layer planetary wheel carrier seat 501, the spline both realized connect.It adopts Splined mode makes assembly more simple and convenient, while being fixedly connected reliable effective.

Lower connecting column 502 of the present invention is arranged along the edge of lower layer's planetary wheel carrier seat 501, lower connecting column 502 Circumferential lengths are greater than radical length.In this way, mainly having the following technical effect that:

Firstly, since after the transmission ratio of lower layer's train determines, the size of lower layer's planetary gear 4 and lower layer's ring gear 6 All determined, if ensuring for lower layer's planetary gear 4 to be smoothly fitted into lower layer's ring gear, lower layer's planetary wheel carrier 501 it is size-constrained in The specification of lower layer's ring gear 6, therefore, it is necessary to by the size of lower layer's planetary wheel carrier seat 501 as far as possible small to meet installation requirement.And Lower connecting column 502 is arranged in the edge of lower layer's planetary wheel carrier seat 501 so that the hole between lower connecting column 502 more greatly with Satisfaction designs small later without the installation of influence lower layer's planetary gear 4 in lower layer's planetary wheel carrier seat 501.

Make the torque of the lower receiving of connecting column 502 bigger secondly, the circumferential lengths of lower connecting column 502 are greater than radical length, Ensure the overall stability of lower layer's planetary wheel carrier 5.

Make between lower connecting column 502 and planetary gear train finally, the circumferential lengths of lower connecting column 502 are greater than radical length Gap is smaller, can effectively prevent 4 internal layer of lower layer's planetary gear into ash.Lower layer's planetary gear of lower layer's planetary wheel carrier 5 of the invention Stand 501 is located at the upper end of lower layer's planetary wheel carrier lid 504 after mounting, more close to upper layer train, due to upper layer centre tooth Wheel 9 is fixedly connected with lower layer planetary wheel carrier 5, so lower layer's planetary wheel carrier seat of upper layer central gear 9 and lower layer's planetary wheel carrier 5 501 are fixedly connected.Therefore, the center position setting of lower layer's planetary wheel carrier seat 501 is for solid with upper layer central gear 9 Surely the lower layer's planetary wheel carrier interconnecting piece 505 connected.

The lower end of lower layer's ring gear 6 is fixedly connected with input axle sleeve 2.Specifically, the input axle sleeve 2 includes input shaft Cover ontology 201 and input shaft block set 202, the input shaft block set 202 by input axle sleeve ontology 201 end outward flanging shape At extending upward multiple input axle sleeve connecting columns 203 week of input shaft block set 202, the ring gear 6 and input axle sleeve 2 Multiple first mounting holes 603 are set on the end of assembly, and it is real that the input axle sleeve connecting column 203 is inserted into the first mounting hole 603 Now it is fixedly connected.

Upper layer ring gear 10 is connected and fixed with braked wheel 11 by spline, the outer wall of the upper layer ring gear 10 It sets up upper layer ring gear spline 1002 week, corresponds on the inner wall of the braked wheel 11 and set at the position of upper layer ring gear 10 Set braked wheel spline 1101.

The upper end of braked wheel 11 of the present invention is fixedly connected with dehydrating shaft 12, and the lower end of the dehydrating shaft 12 is turned-out Side forms dehydrating shaft mounting base, and the upper end of the braked wheel 11 is fixedly connected with the dehydrating shaft mounting base of dehydrating shaft.

As shown in Figure 1, Figure 2, shown in Figure 14, Figure 15, Figure 16, Washing machine dewatering shaft, including axis body 1201 and axle bed 1202, it is described The upper end of axis body 1201 be fixedly connected with the washing tube 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 are integrally formed；The dehydrating shaft is connected by the retarder of axle bed and washing machine；Institute The axis body through-hole 1203 that setting is passed through for output shaft 13 on the axis body stated.

Since the braked wheel 11 of speed-reducing clutch of the invention is fixedly connected with dehydrating shaft, it present embodiments provides A kind of dehydrating shaft with brand new is integrally formed with 1202 two parts of axle bed by axis body 1201 or fission is fixedly connected with group At axle bed 1202 is easily facilitated to be fixedly connected with braked wheel 11.

Therefore, the dehydrating shaft of the present embodiment is suitable for the invention speed-reducing clutch, is convenient for speed-reducing clutch and dehydrating shaft Assembly, guarantee that the power transmission of dehydrating shaft is more stable.

Specifically, axis body 1201 described in the present embodiment is in bar shape, the axle bed 1202 axis in the form of annular discs, described 1201 lower end of body and axle bed 1202 are integrally formed, it is preferable that the axle bed 1202 is turned-out by the lower end of axis body 1201 While being formed.

The axis body 1201 and axle bed 1202 of the present embodiment are integrally formed, it is ensured that the globality of dehydrating shaft, so that dehydrating shaft Overall structure it is more stable.

Seperated design can also be used in the dehydrating shaft of the present embodiment, and specifically, the axis body 1201 is in bar shape, described Axle bed 1202 is in the form of annular discs, and discoid 1202 center position of axle bed opens up opening, 1201 lower end of axis body and axle bed 1202 opening spline connection.In this way, mainly since the upper end opening of braked wheel 11 is larger, in order to realize between the two tight Close installation, axle bed 1202 it is relatively large sized, can be processed respectively using axis body 1201 after split settings and axle bed 1202, more It is easy to process, it is connected and fixed using spline, assembly method is simple and effective.

Decelerating clutch of washing machine, is equipped with above-mentioned dehydrating shaft 12, including deceleration device, and deceleration device includes braked wheel 11 open up opening, the dehydrating shaft close to one end of dehydrating shaft 12 with the train in setting braked wheel 11, the braked wheel 11 12 axle bed 1202 is fixedly mounted in the opening of braked wheel 11.

The axle bed 1202 of the dehydrating shaft 12 of the present embodiment is fixedly connected by way of riveting with the opening of braked wheel 11, institute The axle bed 1202 for the dehydrating shaft 12 stated covers all the opening of braked wheel 11.The dehydrating shaft 12 of the present embodiment is adopted with axle bed 1202 It is fixed together with the mode of riveting, assembly method is simple, more reliable and stable after being connected and fixed, it is ensured that braked wheel Transmission stability between 11 and dehydrating shaft 12.

Specifically, caulking part 1102, the interior wall thickness of the caulking part 1102 is arranged in the opening of the braked wheel 11 The thickness that degree is less than 11 circumferential side wall of braked wheel, which to be formed between the inner wall of caulking part 1102 and the inner wall of braked wheel 11, to be used for Limit the step structure of the axle bed of dehydrating shaft 12；The axial height of the caulking part 1102 is greater than the axle bed 1202 of dehydrating shaft 12 Thickness.

The assemble method of speed-reducing clutch of the invention occurs for the mode that braked wheel 11 is fixedly connected with dehydrating shaft 12 Change, when deceleration clutch assembling of the invention, from output shaft end to input shaft to being assembled, therefore when being riveted, After first dehydrating shaft 12 is sleeved on output shaft 13, after dehydrating shaft 12 is fixed by braked wheel 11 on dehydrating shaft 12, de- During the axle bed 1202 of water axis 12 extends into the upper end opening of braked wheel 11, when reaching, be defined at step structure cannot be after It is continuous to protrude into, at this time by caulking part 1102 to riveting after in-flanges.

The structure of the dehydrating shaft 12 of speed-reducing clutch changes the mounting means of speed-reducing clutch, dehydrating shaft 12 and braked wheel 11 connection relationship makes the process of assembly more rationally effective, the whole Du Genggao of assembly, it is ensured that the stability of transmission.

The mode that braked wheel 11 is fixedly connected with dehydrating shaft 12 can also be by the way of being threadedly coupled, the braked wheel 11 open end outward flanging forms braked wheel interconnecting piece, and the axle bed 1202 and braked wheel interconnecting piece of the dehydrating shaft 12 are logical Cross threaded connection.It is more simple and convenient by the way of threaded connection, more convenient for assembly.

The mode that braked wheel 11 is fixedly connected with dehydrating shaft 12 can also adopt splined mode, the braked wheel 11 are connected and fixed with the axle bed 1202 of dehydrating shaft 12 by spline, are arranged in 1202 circumferential side wall of axle bed of the dehydrating shaft 12 The spline tooth socket for assembling axle bed spline tooth is arranged on the opening inner wall of the braked wheel 11 for spline tooth.Connected using spline The mode connect, the part processing precision needed is higher, and the accuracy of assembly is also higher, and the degree of stability after assembly is also more preferable, fits Close high-precision matching requirements.

Since upper layer ring gear 10 of the invention is connected and fixed with braked wheel 11 by spline, 11 inside of braked wheel Wall corresponds at the train of upper layer, spline tooth is respectively set in the peripheral outer wall of upper layer ring gear 10, corresponds on 11 inner sidewall of braked wheel There is between lower layer's ring gear 6 gap at lower layer's train.

The lower ending opening of braked wheel 11 covers in input axle sleeve 2, and the lower ending opening of braked wheel 11 axially extends outwardly Braked wheel mounting portion 1103 is formed, at least two sets of 3rd bearings 26 are set between braked wheel mounting portion 1103 and input axle sleeve 2；Institute The deceleration device stated includes shell, and the braked wheel 11 is arranged inside housings, under braked wheel mounting portion 1103 and shell At least a set of second bearing 25 is set between end, it is preferable that the second bearing 25,3rd bearing 26 are rolling bearing.

At least a set of first bearing 24, the first bearing 24 are installed between the axle bed 1202 and shell of dehydrating shaft 12 Non- rolling bearing.

Dehydrating shaft 12 is fixedly connected with braked wheel, and bearing is respectively set in the top and bottom of braked wheel 11, therefore, can be right Dehydrating shaft 12 carries out better supporting role, prevents interior bucket shaking during the dehydration process, while also reducing interior bucket and shaking to subtracting It is damaged caused by speed clutch.

The present invention also provides a kind of using a kind of above-mentioned washing machine of decelerating clutch of washing machine, may be implemented washing Impeller and interior bucket rotate backward in the process, and washing effect is more preferably.

Embodiment is only that the preferred embodiment of the present invention is described, and is not carried out to the spirit and scope of the present invention It limits, under the premise of not departing from design philosophy of the present invention, professional and technical personnel in the art make technical solution of the present invention Various changes and modifications out, all belong to the scope of protection of the present invention.

Claims (17)

1. a kind of use in washing machine speed-reducing clutch, including a shell, the intracorporal braked wheel of shell, the train inside braked wheel is also wrapped Include the shift fork of can slide up and down clutch axle sleeve and driving clutch axle sleeve, it is characterised in that: one is arranged between shell and braked wheel Brake band, brake band are arranged around braked wheel, and one end is fixedly mounted on shell, and the other end stretches out shell and connects a brake arm, system Swing arm is arranged on a central axis, and central axis is fixedly mounted on shell, and the lower part that central axis is located at brake arm is additionally provided with a company Arm is connect, brake arm is drivingly connected arm movement, the movement of linking arm shift fork, and driving clutch axle sleeve slides up and down realization dehydration and washes It washs, the surface on the brake arm and linking arm perpendicular to central axis bends out the first push jack and the second push jack respectively in axial direction, First push jack and the second push jack are opposite, and the direction of central axis rotation is surrounded perpendicular to brake arm and linking arm.

2. a kind of use in washing machine speed-reducing clutch according to claim 1, it is characterised in that: the brake arm and central axis Between torsional spring is set, torsional spring is set between the linking arm and central axis, and under natural conditions, the first push jack and the second push jack have one Set a distance.

3. a kind of use in washing machine speed-reducing clutch according to claim 1, it is characterised in that: first push jack or second The center of push jack is equipped with hole, installs a bolt by the hole, bolt head is located in the gap of the first push jack and the second push jack, spiral shell Gasket is equipped between bolt head and the first push jack or the second push jack.

4. a kind of use in washing machine speed-reducing clutch according to claim 2, it is characterised in that: first push jack or second The center of push jack is equipped with hole, installs a bolt by the hole, bolt head is located in the gap of the first push jack and the second push jack, spiral shell Gasket is equipped between bolt head and the first push jack or the second push jack.

5. a kind of use in washing machine speed-reducing clutch according to claim 1, it is characterised in that: the linking arm prolongs along axial direction Third push jack is stretched or bends out, third push jack is opposite with one end of shift fork, shift fork movement.

6. a kind of use in washing machine speed-reducing clutch according to claim 2, it is characterised in that: the linking arm prolongs along axial direction Third push jack is stretched or bends out, third push jack is opposite with one end of shift fork, shift fork movement.

7. a kind of use in washing machine speed-reducing clutch according to claim 3, it is characterised in that: the linking arm prolongs along axial direction Third push jack is stretched or bends out, third push jack is opposite with one end of shift fork, shift fork movement.

8. a kind of use in washing machine speed-reducing clutch according to claim 1, it is characterised in that: the brake arm includes two flat The vertical plane of two parallel surfaces of row face and connection, two parallel surfaces are oppositely arranged, and two parallel surfaces are equipped with the through-hole passed through for central axis, The vertical plane of brake arm extends one end, the end connect a traction electric machine, the one of parallel surface of two parallel surfaces with connect Arm is opposite, bends on the parallel surface opposite with linking arm and extends first push jack vertical with the parallel surface.

9. a kind of use in washing machine speed-reducing clutch according to claim 2, it is characterised in that: the brake arm includes two flat The vertical plane of two parallel surfaces of row face and connection, two parallel surfaces are oppositely arranged, and two parallel surfaces are equipped with the through-hole passed through for central axis, The vertical plane of brake arm extends one end, the end connect a traction electric machine, the one of parallel surface of two parallel surfaces with connect Arm is opposite, bends on the parallel surface opposite with linking arm and extends first push jack vertical with the parallel surface.

10. a kind of use in washing machine speed-reducing clutch according to claim 3, it is characterised in that: the brake arm includes two The vertical plane of two parallel surfaces of parallel surface and connection, two parallel surfaces are oppositely arranged, and two parallel surfaces are equipped with and lead to for what central axis passed through The vertical plane in hole, brake arm extends one end, which connects a traction electric machine, the one of parallel surface of two parallel surfaces and company It connects that arm is opposite, is bent on the parallel surface opposite with linking arm and extend first push jack vertical with the parallel surface.

11. a kind of use in washing machine speed-reducing clutch according to claim 5, it is characterised in that: the brake arm includes two The vertical plane of two parallel surfaces of parallel surface and connection, two parallel surfaces are oppositely arranged, and two parallel surfaces are equipped with and lead to for what central axis passed through The vertical plane in hole, brake arm extends one end, which connects a traction electric machine, the one of parallel surface of two parallel surfaces and company It connects that arm is opposite, is bent on the parallel surface opposite with linking arm and extend first push jack vertical with the parallel surface.

12. a kind of use in washing machine speed-reducing clutch according to claim 1, it is characterised in that: the linking arm includes two The vertical plane of two parallel surfaces of parallel surface and connection, two parallel surfaces are oppositely arranged, and two parallel surfaces are equipped with and lead to for what central axis passed through The vertical plane in hole, linking arm, which bends and extends a laminated structure, forms third push jack, the driving end of the laminated structure and shift fork Relatively, the one of parallel surface of two parallel surfaces is opposite with brake arm, bends on the parallel surface opposite with brake arm and extends one Second push jack vertical with the parallel surface, the second push jack are opposite with the first push jack.

13. according to a kind of any use in washing machine speed-reducing clutch of claim 2,3,5,8, it is characterised in that: the company The vertical plane that arm includes two parallel surfaces of two parallel surfaces and connection is connect, two parallel surfaces are oppositely arranged, and two parallel surfaces are equipped with for center The vertical plane of the through-hole that axis passes through, linking arm bend and extend a laminated structure formed third push jack, the laminated structure with dial The driving end of fork is opposite, and the one of parallel surface of two parallel surfaces is opposite with brake arm, bends on the parallel surface opposite with brake arm And extending second push jack vertical with the parallel surface, the second push jack is opposite with the first push jack.

14. according to a kind of any use in washing machine speed-reducing clutch of claim 5,11,12, it is characterised in that: described the Buffer structure is set between three push jacks and shift fork, and the buffer structure is an elastic component, and the elastic component is by compression or stretches institute Power, which is greater than, stirs power used in clutch axle sleeve.

15. a kind of use in washing machine speed-reducing clutch according to claim 14, it is characterised in that: the buffer structure includes Be arranged on third push jack or shift fork driving end and can with the movable work in direction that drive end vertical of the laminated structure or shift fork A buffer spring is arranged on movable part in dynamic portion.

16. a kind of use in washing machine speed-reducing clutch according to claim 15, which is characterized in that the movable part includes one Pin shaft, pin shaft one end are equipped with a round end cap, and the other end is screwed on a nut, and buffering is arranged between end cap and nut on pin shaft Spring.

17. a kind of washing machine with any speed-reducing clutch of claim 1-16.