CN105297344B

CN105297344B - A kind of decelerating clutch of washing machine and washing machine

Info

Publication number: CN105297344B
Application number: CN201410373658.7A
Authority: CN
Inventors: 迟宗锐; 栾厚利; 李作强; 肖磊; 王丽美; 徐超
Original assignee: Qingdao Haier Washing Machine Co Ltd
Current assignee: Qingdao Haier Washing Machine Co Ltd
Priority date: 2014-07-31
Filing date: 2014-07-31
Publication date: 2019-06-28
Anticipated expiration: 2034-07-31
Also published as: CN105297344A

Abstract

The present invention provides a kind of decelerating clutch of washing machine, it include: input shaft, deceleration device, arrangement of clutch, output shaft and output sleeve, the arrangement of clutch includes clutch platen and clutch axle sleeve, clutch axle sleeve is sleeved on the week of deceleration device to the periphery, and the axial movement of clutch pressure dish driving clutch axle sleeve realizes that synchronized/differential speed rotation of output shaft and output sleeve realizes dehydration/washing operating condition to control deceleration device；The clutch platen is connected with driving motor, and driving motor driving clutch pressure armor rotates about the axis movement driving clutch axle sleeve and is axially moveable.Clutch platen of the invention realizes rotary motion by driving motor, structure is simple, it is easy for installation, again since clutch platen passes through driving clutch axle sleeve axial movement in rotary course, realize the clutch action of clutch axle sleeve, so that the mounting structure of deceleration device and arrangement of clutch is compact, the whole height of speed-reducing clutch is substantially reduced, increases the washing capacity of same volume washing machine.

Description

A kind of decelerating clutch of washing machine and washing machine

Technical field

The present invention relates to washing machine technology fields, and in particular, to a kind of decelerating clutch of washing machine and washing machine.

Background technique

Washing machine is common household electrical appliance in people's daily life, different by laundry mode, be divided into roller washing machine and Rotary drum washing machine.Roller washing machine generally includes outer cylinder, roller and motor, and motor driven roller is in the dynamic realization of outer cylinder transfer to clothing Object is washed or is dehydrated.Present roller washing machine is only washed using the rotation of roller merely, only using in roller Lifting rib promoted and leave the mode of washings and clothing is beaten be difficult to obtain outstanding washing effect to wash Fruit.Present roller washing machine in roller there are also impeller is increased, and impeller and roller are respectively by its rotation of independent motor driven Effect is cleaned to optimize.Due to using two motors, the manufacturing cost of roller washing machine is caused to increase.

The rotation of impeller and roller can be driven by solving a motor, be a kind of good mode using speed-reducing clutch. But general speed-reducing clutch arrangement of clutch and deceleration device are located at same axial direction, general motor, arrangement of clutch, deceleration Device is set gradually along axial direction, in this way, speed-reducing clutch the space occupied can be very big, and if speed-reducing clutch the space occupied Greatly, in the shell of same volume, the space of cylindric washer will become smaller, and washing capacity will become smaller, if requiring washing capacity not It can become smaller, it is necessary to increase the volume of washing machine, nowadays how the washing machine of same volume accomplishes that maximum washing capacity is One is sought after the problem of studying.

Impeller and the interior bucket rotation of rotary drum washing machine are controlled using speed-reducing clutch, equally face the washing machine of same volume How to accomplish how the washing machine of maximum washing capacity or identical washing capacity accomplishes the smallest volume.

Since decelerating clutch of washing machine is mounted on outer barrel/cylinder bottom, and outer barrel/cylinder diameter is than speed-reducing clutch Diameter is much larger, so very large space is also had around speed-reducing clutch, if this segment space does not install other knots Structure will result in waste spatially, and successively installs in deceleration device and arrangement of clutch axial direction and further cause bottom sky Between waste, so, the axial spacing of the installation of arrangement of clutch and deceleration device is reduced, to reduce the entirety of speed-reducing clutch Highly.

However, the clutch mode of existing speed-reducing clutch mostly uses the mode of shift fork driving lever progress clutch, shift fork driving lever Clutch mode it is although simple and effective, but occupy axial distance it is larger, therefore be unfavorable for shorten speed-reducing clutch occupy axis To distance.Therefore, the clutch driving method for how solving existing speed-reducing clutch, speed-reducing clutch axial direction can be shortened by providing one kind The clutch driving method of mounting distance becomes for a technical problem urgently to be solved.

Given this present invention is proposed.

Summary of the invention

In order to solve the above-mentioned technical problems, the present invention provides a kind of decelerating clutch of washing machine, new using one kind Clutch driving method is driven clutch axle sleeve to be axially moved by way of rotation and carries out clutch, speed-reducing clutch is greatly reduced Axially mounted distance.Specifically, the following technical solution is used:

A kind of decelerating clutch of washing machine, comprising: input shaft, deceleration device, arrangement of clutch, output shaft and output sleeve, The arrangement of clutch includes clutch platen and clutch axle sleeve, and clutch axle sleeve is sleeved on the week of deceleration device to the periphery, clutch pressure The axial movement of dish driving clutch axle sleeve realizes that synchronized/differential speed rotation realization of output shaft and output sleeve is de- to control deceleration device Water/washing operating condition；The clutch platen is connected with driving motor, and driving motor driving clutch pressure armor rotates about the axis movement Driving clutch axle sleeve is axially moveable.

Further, the clutch platen is cyclic structure, and the side of annulus ontology and the shell of speed-reducing clutch are recessed The other side of convex cooperation, annulus ontology is matched with clutch axle sleeve.

Further, the clutch platen includes driving lever, and the driving lever extends a protrusion shape by clutch platen At；The driving motor includes motor shaft, the described motor shaft push-and-pull movement or rotational movement driving lever circular motion, Or partial circumference moves back and forth or circumference moves back and forth.

Further, the driving motor is push-and-pull motor or thrust motor, and sliding slot is arranged on driving lever, and motor shaft connects Connect sliding block；The motor shaft pushes and pulls driving lever rotation by sliding block.

Further, the sliding block is matched with sliding slot, and sliding block is freely slidable relative to sliding slot and does not fall out；It is excellent Selection of land, the sliding block are vertically arranged with motor shaft.

Further, the motor shaft rotary motion of the driving motor connects pinion gear on motor shaft；The clutch pressure The rack gear that circumferentially one week or local setting are meshed with pinion gear on disk；The facewidth of the pinion gear is greater than the tooth of rack gear It is wide；Preferably, the rack gear is arc-shaped rack, and rack gear is fixedly mounted on the driving lever of clutch platen.

Further, the inside setting microswitch of the driving motor or rack gear both ends setting are micro- Dynamic switch；The microswitch control pinion gear moves back and forth on rack gear.

Further, the clutch platen further includes annulus ontology, and one end end and the clutch axle sleeve of annulus ontology are matched It closes, at least one first wedge-shaped protrusion is arranged in the end of the other end of annulus ontology；The driving motor drives annulus ontology Rotary motion, the effect that is supported in the first wedge-shaped protrusion rotary course push the axial movement of annulus ontology.

Further, further include speed-reducing clutch shell, the deceleration device and arrangement of clutch be arranged at deceleration from One end end of the inside of clutch shell, speed-reducing clutch shell is fixedly connected relative to the outer cylinder of washing machine, and the other end protrudes into Into the internal cavities of the rotor of direct driving motor and the second wedge-shaped protrusion is arranged in the inner wall of the end end；Second wedge shape is convex It rises and corresponds to the setting of the first wedge-shaped protrusion；The driving motor drives clutch pressure disc spins, the second wedge-shaped protrusion support first Wedge-shaped protrusion moves axially during clutch pressure disc spins.

Further, one end end that the speed-reducing clutch shell is connect with washing machine outer cylinder forms mounting plate, subtracts Speed clutch is fixed on the outer cylinder of washing machine by mounting plate；Installation resets bullet between the mounting plate and clutch axle sleeve Spring, the driving motor are fixedly mounted on a mounting board.

Invention also provides a kind of washing machines with above-mentioned speed-reducing clutch.The present invention provides a kind of laundries Machine speed-reducing clutch drives clutch axle sleeve to be axially moved by the way of through clutch pressure disc spins and realizes clutch, so that slowing down The mounting structure of device and arrangement of clutch is compact, substantially reduces the whole height of speed-reducing clutch, is conducive to increase washing machine Washing capacity.

In order to which the clutch platen for realizing of the invention is rotated, the present invention provides two ways:

The first, perhaps thrust motor pushes and pulls motor or thrust motor to driving motor of the invention using push-and-pull motor The characteristics of be motor shaft carry out stretching motion, this is different from the rotary motion of the motor shaft of ordinary motor.Use push-and-pull motor for It can be realized the rotary motion of clutch platen, sliding slot be set on the driving lever of clutch platen of the invention, motor shaft connection sliding block, The motor shaft pushes and pulls driving lever rotation by sliding block, and in this way, connection is simple, easy to operate.Simultaneously as push-and-pull The motor shaft of motor or thrust motor is along linear motion, therefore, in order to realize that the linear motion of motor shaft can be suitable Benefit passes to clutch platen, and the circumference for making clutch platen carry out part moves back and forth, and sliding block of the invention is matched with sliding slot, sliding Block is freely slidable relative to sliding slot and does not fall out；Preferably, the sliding block is vertically arranged with motor shaft.

Second, driving motor of the invention uses common stepper motor, and the motor shaft of stepper motor is to make rotation fortune It is dynamic, in order to which the rotary motion of motor shaft is passed to clutch platen, the present invention using connecting pinion gear on motor shaft, from The mode for the rack gear that circumferentially one week or local setting are meshed with pinion gear on combined pressure disk realizes, at the same in order to realize from Microswitch is arranged in the reciprocating motion of combined pressure disk, the inside setting microswitch of driving motor or the rack gear both ends； The microswitch control pinion gear moves back and forth on rack gear.

In conclusion clutch platen of the invention realizes rotary motion by driving motor, structure is simple, easy for installation, Again since clutch platen is by driving clutch axle sleeve axial movement in rotary course, the clutch action of clutch axle sleeve is realized, significantly The axially mounted distance for reducing speed-reducing clutch, increase the washing capacity of same volume washing machine.

Detailed description of the invention

Fig. 1: speed-reducing clutch Structure explosion diagram of the invention；

Fig. 2: speed-reducing clutch structure sectional view of the invention；

Fig. 3: another embodiment of the present invention speed-reducing clutch Structure explosion diagram；

Fig. 4: another embodiment of the present invention speed-reducing clutch structure sectional view；

Fig. 5: the structure connection diagram of clutch platen and driving motor of the invention；

Fig. 6: the another structure connection diagram of clutch platen and driving motor of the invention；

Fig. 7: the another structure of clutch platen and driving motor of the invention connects exploded view；

Fig. 8: the perspective view one of speed-reducing clutch shell of the present invention；

Fig. 9: the perspective view two of speed-reducing clutch shell of the present invention.

Wherein: 1, input shaft, 2, output shaft, 3, output sleeve, 4, ring gear, 5, end-tooth, 6, rotor, 7, stator, 8, Mounting plate, 9, tooth socket, 10, centre wheel, 11, planetary gear, 12, pinion frame, 13, first bearing, 14, second bearing, 15, Recessed portion, 16, threaded fastener, 17, annular boss, 18, reset spring, 19, speed-reducing clutch shell, 191, first end, 192, side wall, 193, the second end, 194, reinforcing rib, 195, bearing block, 20, clutch platen, 21, clutch axle sleeve, 22, driving lever, 23, clutch discs, 24, guiding spline, 25, guide chute, 26, annulus ontology, the 27, first wedge-shaped protrusion, the 271, first plane, 272, the second plane, 28, driving lever, 281, sliding slot, the 29, second wedge-shaped protrusion, the 291, second plane, the 292, second inclined-plane, 30, lack Mouthful, 31, driving motor, 311, motor shaft, 32, sliding block, 33, pinion gear, 34, rack gear.

Specific embodiment

A kind of decelerating clutch of washing machine of the invention is described in detail with reference to the accompanying drawing:

As shown in figs. 1-7, a kind of decelerating clutch of washing machine, comprising: input shaft 1, deceleration device, arrangement of clutch, output Axis 2 and output sleeve 3, the arrangement of clutch include clutch platen 20 and clutch axle sleeve 21, and clutch axle sleeve 21 is mounted in the dress that slows down The week set, clutch platen 20 drove the axial movement of clutch axle sleeve 21 to realize output shaft 2 and output to control deceleration device to the periphery Synchronized/differential speed rotation of axle sleeve 3 realizes dehydration/washing operating condition；The clutch platen 20 is connected with driving motor, driving motor Drive 20 rotary motion of clutch platen.

Decelerating clutch of washing machine of the invention uses the axial shifting of 20 rotary motion of clutch platen driving clutch axle sleeve 21 Dynamic to realize clutch, due to using the clutch mode of the rotation driving of clutch platen 20, and 21 sets of clutch axle sleeve in deceleration device Periphery, so deceleration device and arrangement of clutch of the invention structure installation it is more compact, reduce the whole of speed-reducing clutch Body height can effectively increase the washing capacity of equal volume washing machine in this way.Therefore, the rotation fortune of clutch platen 20 how is realized Dynamic is the key point for realizing goal of the invention of the invention, and in order to realize the rotary motion of clutch platen 20, the present invention is specific Using the following technical solution.

Scheme one, as shown in figure 5, clutch platen 20 of the present invention includes driving lever 28, the driving motor 31 is wrapped Include motor shaft 311, the push-and-pull movement of motor shaft 311 drive 28 circular motion of driving lever or partial circumference move back and forth or Person's circumference moves back and forth.

Specifically, driving motor 31 of the present invention is push-and-pull motor or thrust motor, and sliding slot is arranged on driving lever 28 281,311 connection sliding block 32 of motor shaft；The motor shaft 311 pushes and pulls driving lever 28 by sliding block 32 and rotates.Driving of the invention Using push-and-pull motor, perhaps thrust motor push-and-pull motor or thrust motor mainly apply worm and gear mutually to nibble to motor 31 The principle of conjunction converts circular motion to the straight line push-and-pull movement of motor shaft 311.

Therefore, the motor shaft 311 of driving motor 31 of the invention does the push-and-pull campaign of straight line, drives coupled sliding block 32, sliding block 32 drives driving lever 28 to move while sliding slot 281 is free to slide relatively in sliding slot 281, and driving lever 28 is by sliding block 32 Push-and-pull action realize part circumference move back and forth.The present invention passes through motor shaft 211 using push-and-pull motor or thrust motor Linear reciprocating motion traction clutch platen 20 carries out local rotary reciprocating motion, and structure connection is simple, and operation control is easy.

In order to realize that the linear motion of motor shaft can smoothly pass to clutch platen, clutch platen is made to carry out the circle of part Week moves back and forth, and the assembly between sliding block 32 and sliding slot 281 is extremely important, and the sliding block 32 is wanted relative to sliding slot 281 can phase To free to slide and can not fall off from sliding slot 281, specifically, the sliding block 32 is matched with sliding slot 281,32 phase of sliding block For sliding slot 281 vertically and horizontally slidably.Preferably, the sliding block 32 is vertical with motor shaft 311 sets Set, the sliding slot 281 along clutch platen 20 radial direction be arranged, be more conducive to being driven in this way, reduce each component it Between added force.

Scheme two, as shown in FIG. 6 and 7, the present invention use common stepper motor, and the motor shaft 311 of stepper motor is Rotation, therefore how the rotary motion of motor shaft 311 is passed to clutch platen 20 is to need problem to be solved, for reality This existing technical purpose, specifically, present invention employs the following technical solutions: the motor shaft 311 of the driving motor 31 Rotary motion connects pinion gear 33 on motor shaft 311；On the clutch platen 20 circumferentially one week or local setting with it is small The rack gear 34 that gear 33 is meshed.

According to the transport characteristics between gear and rack gear, the present invention is applied it in the present invention, is realized motor shaft 311 rotary motion passes to the technical purpose of clutch platen 20.Using this kind of drive, clutch platen 20 of the invention can It realizes continuous circular motion, rack gear 34 is arranged one week along the circumferential of clutch platen 20, the small tooth on such motor shaft 311 Wheel 33 can drive always clutch platen 20 to carry out continuous circular motion；Clutch platen 20 of the invention can also be realized local Circumference moves back and forth, and by rack gear along the circumferential setting unit of clutch platen 20, rotate forward by controlling motor shaft 311 and anti- Turn to realize that pinion gear 32 drives clutch platen 20 to carry out partial circumference movement.

As a kind of preferred embodiment of the invention, rack gear 34 of the present invention be can be set to and clutch platen 20 1 It is body formed to be made, i.e. the directly tooth punching in the circumferential direction of clutch platen 20, although simplifying structure in this way, simple installation, from The processing of combined pressure disk 20 is relatively complicated.Preferably, rack gear 34 of the invention is an independent component, after separately machined It is mounted on clutch platen 20, the rack gear 34 is arc-shaped rack, and rack gear 34 is fixedly mounted on the driving lever 28 of clutch platen 20 On, in this way, when rack gear 34 damages, it is only necessary to independent dismounting and change is carried out, if be wholely set, it is also necessary to dismantle deceleration clutch Device.

When rack gear 34 of the invention is an arc-shaped rack, in order to realize that the partial circumference of clutch platen 20 moves back and forth, institute Microswitch is arranged in the inside setting microswitch for the driving motor 31 stated or 34 both ends of rack gear；Described is micro- Dynamic switch control pinion gear 33 moves back and forth on rack gear 34.The present invention controls the motor shaft of driving motor 31 by microswitch 311 rotating forward or the range of reversion or time realize that the partial circumference of clutch platen 20 moves back and forth.

As a kind of preferred embodiment of the invention, the clutch platen 20 further includes annulus ontology 26, annulus sheet One end end of body 26 and output sleeve 3 cooperate, and it is convex that at least one first wedge shape is arranged in the end of the other end of annulus ontology 26 Play 27；The driving motor 31 drives the rotary motion of annulus ontology, is supported work in 27 rotary course of the first wedge-shaped protrusion With pushing annulus ontology 26 to move axially, annulus ontology 26 acts on clutch axle sleeve 21, and clutch axle sleeve 21 is pushed to move axially, real Existing clutch.

Further include speed-reducing clutch shell 19 as a kind of preferred embodiment of the invention, the deceleration device and Arrangement of clutch is arranged at the inside of speed-reducing clutch shell 19, and one end end of speed-reducing clutch shell 19 is relative to washing machine Outer cylinder be fixedly connected, the other end is extend into the internal cavities of the rotor 6 of direct driving motor and the inner wall of end end setting the Two wedge-shaped protrusions 29；Second wedge-shaped protrusion 29 is arranged corresponding to the first wedge-shaped protrusion 27；The driving motor 31 drives Dynamic clutch platen 20 rotates, and the second wedge-shaped protrusion 29 supports the first wedge-shaped protrusion 27 axially to move in 20 rotary course of clutch platen It is dynamic.

Speed-reducing clutch shell 19 of the invention not only acts as the deceleration device and arrangement of clutch for protecting speed-reducing clutch Effect, also acts as and matches with clutch platen 20, realize the effect of clutch function.Specifically, driving motor 31 of the invention drives During dynamic clutch platen 20 rotates, when the first wedge-shaped protrusion 27 is opposite with the second wedge-shaped protrusion 29, clutch platen 20 by Support force moves axially, and then the clutch axle sleeve 21 matched with clutch platen 20 is pushed to move axially, clutch axle sleeve 21 It is moved to and is meshed with fixed disk, output shaft 2 is different from the rotary state of output sleeve 3, is at this time washing operating condition；With clutch Platen 20 continues to rotate, and the first wedge-shaped protrusion 27 deviates the second wedge-shaped protrusion 29, and clutch platen 20 is no longer influenced by support force, and Reset spring 18 outside clutch axle sleeve 21 is applied to 21 1 elastic force of clutch axle sleeve because of deformation, under elastic force effect, 21 repercussion of clutch axle sleeve movement is engaged with clutch discs 23, clutch discs 23 are fixedly connected with the rotor 6 of direct driving motor, output shaft 2 and Output sleeve rotates in same direction at the same speed, this is dehydration condition.

As a kind of preferred embodiment of the invention, the speed-reducing clutch further includes mounting plate 8, the deceleration Clutch is fixedly connected on the outer cylinder of washing machine by mounting plate 8；The driving motor 31 is fixedly mounted on mounting plate 8

Embodiment one

As shown in figs 1-9, decelerating clutch of washing machine shell 19, including first end 191, the second end 193 and side Wall 192, the second end 193 are fixedly connected on the outer cylinder of washing machine, and the whole and side wall 192 of first end 191 are at least It partially protrudes into the internal cavities of stator 7 of direct driving motor, side wall 192 is connected with first end 191 and the second end 193 respectively And surround internal chamber, speed-reducing clutch is set in internal chamber, speed-reducing clutch includes arrangement of clutch, arrangement of clutch include from The clutch platen 20 that sympodium set 4 and driving clutch axle sleeve 4 move axially；The side wall 192, which is equipped with, is used for clutch platen 20 notch 30 at least partly exposed, the inner wall of first end 191 are matched with clutch platen 20.

Whole speed-reducing clutch shell 19 of the invention is in truncated cone-shaped structure, and the inner hollow of truncated cone-shaped structure is inner chamber Room, truncated cone-shaped structure include two sections, respectively first end 191 and the second end 193.Outside speed-reducing clutch of the invention The second end of shell 19 is fixedly mounted on the outer cylinder of washing machine, and deceleration device and arrangement of clutch are provided in internal chamber, Therefore, the installation of the speed-reducing clutch of the invention whole height more compact for making speed-reducing clutch shell 19 reduces, and reduces Installation occupied axial length, increases the washing capacity of the washing machine of same volume.In addition, deceleration clutch of the invention Notch 30 is set on the side wall 192 of device shell 19, and notch 30 is mainly convenient for the clutch platen 20 of arrangement of clutch and driving clutch pressure It is connected with each other between the driving motor that disk 20 rotates.The inner wall of the first end 191 of speed-reducing clutch shell 19 of the invention with Clutch platen 20 matches, and realizes supporting role to clutch platen 20, it is ensured that clutch platen 20 can be realized axial movement with It pushes clutch axle sleeve 4 to be axially moved and realizes clutch.

In order to ensure realizing that the present invention drives the axial movement of clutch axle sleeve 4 to realize clutch using clutch platen 20, as this At least one projecting surface, the inner wall of first end 191 is arranged on the clutch platen 20 in a kind of preferred embodiment of invention It is upper that the support portion for being used to support projecting surface is set；The projecting surface that the support portion corresponds to clutch platen 20 is arranged.

The present invention by the way that projecting surface is arranged on clutch platen 20, while on the inner wall of first end 191 relative to from Support portion is arranged in the projecting surface of combined pressure disk 20, in this way, during clutch platen 20 is rotated under the drive of driving motor, When the projecting surface of clutch platen 20, which is gone to, to offset with the support portion of first end 191, clutch platen 20 is by first end 191 The supporting role of support portion move axially, clutch platen 20 pushes the clutch axle sleeve 4 mutually assembled with it that axis occurs in turn To movement, clutch axle sleeve 4 separates clutch axle sleeve 4 and the engagement of the rotor 6 of direct driving motor since axial movement occurs；Work as clutch When the projecting surface of platen 20 produces the support portion of first end 191, clutch platen 20 is no longer influenced by supporting role, at this point, being in The reset spring 18 of compressive state is 6 weight of rotor for returning to original state and pushing the axial movement of clutch axle sleeve 4 with drive motor New engagement.Therefore, the first end 191 of speed-reducing clutch shell 19 of the invention plays the clutch of arrangement of clutch important Supporting role ensure that arrangement of clutch smoothly realizes clutch.The projecting surface being arranged on clutch platen 20 of the invention includes at least One, it is preferable that settable, so that clutch platen 20 realizes multiple clutch during whole circumference moves, only need The clutch requirement of washing machine can be met by designing the velocity of rotation of clutch platen 20, and 20 needs of clutch platen are done Simple circular motion, structure are more simple, it is easier to it realizes, specifically, the protrusion being arranged on the clutch platen 20 Face includes at least four, is along the circumferential direction uniformly arranged.And the support portion of first end 191 should be with the protrusion of clutch platen 20 Specifically setting four also may be selected, and be circumferentially uniformly arranged in the corresponding setting in face.

As a kind of preferred embodiment of the invention, the clutch platen 20 includes rotatable 26 He of annulus ontology Driving lever 28 for driving annulus ontology 26 to rotate；One end end of the annulus ontology 26 it is circumferentially arranged at least one One wedge-shaped protrusion 27, it is convex that the second wedge shape that at least one is used to support the first wedge-shaped protrusion 27 is arranged in the inner wall of first end 191 Play 29；The driving lever 28 is stretched out from notch 30 to be connected with driving motor.Specifically, the first wedge-shaped protrusion 27 of the invention can Setting 4, is uniformly arranged respectively along the circumferential direction of annulus ontology 26, and similarly, second wedge-shaped protrusion 29 is also provided with 4, The inner wall of first end 191 is circumferentially uniformly arranged respectively, and is oppositely arranged respectively respectively at the first wedge-shaped protrusion 27.The present invention Clutch platen 20 and first end 191 by using setting the first wedge-shaped protrusion 27 and the second wedge-shaped protrusion 29 can be realized from The circumferential supporting role of combined pressure disk 20, structure is simple, easy to assembly.

As a kind of preferred embodiment of the invention, first wedge-shaped protrusion 27 includes the first plane 271 and the One inclined-plane 272, the height of the first plane 271 are higher than the face height of annulus ontology 26, the first inclined-plane 272 respectively with the first plane 271, the end face of annulus ontology (26) is smoothly connected；Second wedge-shaped protrusion 29 includes the second plane 291 and the second inclined-plane 292, the height of the second plane 291 is higher than the inside wall height of first end 191, the second inclined-plane 292 respectively at the second plane 291, The interior walls be smooth of first end 191 connects；First inclined-plane 272 is identical as the tilt angle on the second inclined-plane 292.

In order to guarantee that arrangement of clutch is smoothly realized after being mounted on 19 internal chamber of speed-reducing clutch shell of the invention It is meshed with the rotor 6 of direct driving motor, dehydration condition is realized, as a kind of preferred embodiment of the invention, the clutch Device includes clutch discs 23, and clutch discs 23 are fixedly connected with the center of the rotor 6 of direct driving motor；The first end 191 is opened If opening, clutch discs 23 protrude into internal chamber by the opening of first end 191 and engage with the realization of clutch axle sleeve 4.

Speed-reducing clutch shell 19 of the invention should also meet the installation of second bearing 14 simultaneously, as of the invention one Kind of preferred embodiment, internally chamber is extended and forms bearing block 195 opening of the first end 191, described Second bearing 14 is encapsulated between bearing block 195 and clutch discs 23.In order to enable the installation of second bearing 14 does not interfere with clutch shaft Engagement/disengagement between set 4 and clutch discs 23, second bearing 14 of the invention is sleeved in clutch discs 23, and clutch discs 23 Tooth socket 9 top of second bearing 14 is set.

Since bearing block 195 and the second wedge-shaped protrusion 29 are arranged at the inner wall of first end 191, in order to ensure the two it Between do not interfere mutually, as a kind of preferred embodiment of the invention, second wedge-shaped protrusion 29 is arranged in bearing block 195 Between side wall 192, the height of bearing block 195 is lower than the height in the highest face of the second wedge-shaped protrusion 29.Bearing block of the invention 195 height is lower than the height in the highest face of the second wedge-shaped protrusion 29, so that the second wedge-shaped protrusion 27 stretches out bearing block 195, this Sample can ensure that the second wedge-shaped protrusion 29 and the interaction of the first wedge-shaped protrusion 27 realize the axial movement of clutch platen 20.

As a kind of preferred embodiment of the invention, external flange of the second end 193 towards internal chamber Fixed installation portion is formed, mounting portion is mounted on the outer cylinder of washing machine convenient for speed-reducing clutch shell；It is set on the side wall 192 Set multiple reinforcing ribs 194, reinforcing rib 194 along first end 191 edge towards the fixed installation portion of the second end 193 side The direction of edge is arranged, and speed-reducing clutch shell can be dispersed in circumferential stress in reinforcing rib 194, and speed-reducing clutch shell is effectively prevent to send out Raw stress concentration phenomenon.

As a kind of preferred embodiment of the invention, it further include mounting plate 8, mounting plate 8 is fixedly connected on washing machine On outer cylinder；The second end 193 is fixedly mounted on mounting plate 8；The side of mounting plate 8 towards the internal chamber is set It sets for the tooth socket 9 with 4 fixed engagement of clutch axle sleeve.

Speed-reducing clutch shell 19 of the invention is on the one hand can to meet deceleration using made of metal material integrated molding The force request of clutch outer member especially meets supporting role of the bearing block 195 of first end 191 to second bearing 14； On the other hand, the processing is simple, easy for assemble or unload.

As a kind of preferred embodiment of the invention, the arrangement of clutch further includes input shaft, deceleration device, output The input terminal of axis and output sleeve, deceleration device connects input shaft, and output end is separately connected output shaft and output sleeve；Described Clutch axle sleeve 4 is sleeved on the week of deceleration device to the periphery；The clutch axle sleeve 4 is the ring gear of deceleration device, and ring gear is axial It is mobile, control the different output states of output shaft and output sleeve；The second end 193 offers opening, clutch axle sleeve 4 The opening of extended/retraction the second end 193 and 9 engagement/disengagement of tooth socket of mounting plate 8.Of the invention using is a kind of completely new Clutch mode, by clutch axle sleeve 4 be sleeved on deceleration device week to the periphery, clutch axle sleeve 4 be deceleration device ring gear, from A part that sympodium set 4 is not only deceleration device is also a part of arrangement of clutch, realizes the validity of clutch, and significantly The axially mounted length for reducing arrangement of clutch, reduce the whole height of speed-reducing clutch.

Embodiment two

As shown in Figure 1 and Figure 2, a kind of decelerating clutch of washing machine of the present invention, comprising: input shaft 1, deceleration device, from Attach together set, the periphery of deceleration device is arranged in output shaft 2 and output sleeve 3, the arrangement of clutch, input shaft institute on straight line Projection it is least partially overlapped, the arrangement of clutch includes at least the clutch axle sleeve that is axially movable, and the clutch axle sleeve is to subtract The ring gear of speed variator, the axial movement of clutch axle sleeve 21 are connect with the structure of different conditions, control output shaft 2 and output sleeve 3 Different output states, the clutch axle sleeve 21 engages at least partly gear in deceleration device.

Above-mentioned washing machine is connect if perpendicular bucket rotary drum washing machine, the output shaft 2 with impeller, the output sleeve 3 with it is interior Bucket connection, above-mentioned washing machine are connect if roller rotary drum washing machine, the output shaft 2 with impeller, the output sleeve 3 and roller Connection, above-mentioned washing machine are connect if Double-rotary drum washing machine, the output shaft 2 with the first roller, the output sleeve 3 and second Roller connection.

Above-mentioned difference output state includes that the output shaft 2 and the synchronized rotation in the same direction of output sleeve 3, this kind of state is de- Water state, different output states further include the output shaft 2 and the differential speed rotation in the same direction of output sleeve 3, this kind of state is washing shape State can be used for roller rotary drum washing machine or full-automatic impeller type washing machine, and different output states further include, the output shaft 2 and defeated Axle sleeve 3 reversely rotates out, this kind of state is washing state, can be used for double dynamical rotary drum washing machine and Double-rotary drum washing machine, different Output state further includes that the rotation of output shaft 2 is moved and 3 free state of output sleeve, can be used for false two-power washing machine.

Arrangement of clutch of the present invention be arranged in deceleration device periphery with deceleration device share axial height, can will originally from It attaches together and sets the part axial space of occupancy and save, reduce the height that speed-reducing clutch integrally axially occupies, so as to To reduce the volume of washing machine in the case where washing capacity is constant, or increase washing in the case where washing machine constancy of volume Capacity.In the research and development of washing machine, all calculated even if the axial space that washing tube/cylinder bottom speed-reducing clutch occupies subtracts to be reduced by several millimeters Be it is very big improve, the influence to washing capacity will be very big, and the axial length of general clutch axle sleeve can reach tens Clutch axle sleeve is put into the outside of the reduction gearing of deceleration device by millimeter, the present invention, under the axial length of clutch axle sleeve is saved Come, washing capacity is had and is greatly improved.

And clutch axle sleeve 21 of the ring gear of speed-reducing clutch of the present invention as arrangement of clutch, eliminate individual clutch shaft Set 21, reduces the quantity of part, and structure is simple, easy to assembly, saves cost.

Input shaft 1 is connect with direct driving motor, and the deceleration device is at least partially disposed in the cavity of direct driving motor stator 7 Interior, the gear parts of the preferably described deceleration device are arranged in the cavity of direct driving motor stator 7.

Shell 19 of the invention, shell 19, speed-reducing clutch shell 19 and washing machine outer cylinder phase are set outside clutch axle sleeve 21 To fixation, and part is arranged in the cavity of direct driving motor stator 7, and speed-reducing clutch shell 19 includes the second end 193, this Two ends 193 are fixedly connected with washing machine outer cylinder, and the preferably described speed-reducing clutch shell 19 further includes mounting plate 8, mounting plate 8 with Washing machine outer cylinder is fixedly connected, and the second end 193 is fixedly mounted on mounting plate 8.

The clutch axle sleeve 21 is a tube-in-tube structure, and the both ends of clutch axle sleeve 21 are respectively equipped with end-tooth 5, clutch axle sleeve 21 Be axially movable at least in first position and the second position, when the state of first position, the end-tooth 5 of 21 one end of clutch axle sleeve with The connection of one rotational structure, the synchronized rotation in the same direction of clutch axle sleeve 21 and rotor 6, this state are dewatering state, when the second position, clutch The end-tooth 5 of 21 other end of axle sleeve is connect with a fixed structure, and clutch axle sleeve 21 is fixed, this state is washing state.Or also There can be a third place, when the third place state, the end-tooth 5 at 21 both ends of clutch axle sleeve is not connect with other structures, described Clutch axle sleeve 21 is in free state, this state is generally also washing state.

The rotational structure is the rotor 6 of direct driving motor or is and the relatively-stationary clutch discs 23 of rotor 6, the fixation Structure is outer cylinder or shell 19 or is and the relatively-stationary fixed disk of shell 19.

The mounting plate 8 of speed-reducing clutch is equipped with tooth socket 9 corresponding with the end-tooth 5 of clutch axle sleeve 21, the clutch The end-tooth 5 of axle sleeve 21 protrudes into corresponding tooth socket 9, and mounting plate 8 and clutch axle sleeve 21 are directly connected to, this kind of connection type, structure Simply, assembly is simple, and components are less, save the cost；Or a fixed disk is set on the mounting plate 8 of the speed-reducing clutch (fixed disk is being not shown in the figure), the fixed disk is equipped with tooth socket 9 corresponding with the end-tooth 5 of clutch axle sleeve 21, described The end-tooth 5 of clutch axle sleeve 21 protrudes into corresponding tooth socket 9, and mounting plate 8 and clutch axle sleeve 21 are indirectly connected with, this kind of connection type is more Be conducive to the service life of mounting plate, if clutch axle sleeve 21 is directly connected to by the tooth socket 9 on end-tooth 5 and mounting plate 8, due to Torque is larger in rotation process, after tooth socket 9 damages, need to all replace entire mounting plate, if passing through the tooth socket 9 in fixed disk It connects, after the tooth socket 9 in fixed disk damages, can only replacement fixed disk, the maintenance of such washing machine in the future become more It is convenient and efficient.

The rotor 6 of direct driving motor is equipped with tooth socket 9 corresponding with the end-tooth 5 of clutch axle sleeve 21, the clutch axle sleeve 21 end-tooth 5 protrudes into corresponding tooth socket 9, and rotor 6 and clutch axle sleeve 21 are directly connected to, this kind of connection type, and structure is simple, fills With simple, components are less, save the cost；Or rotor 6 is connect by a clutch discs 23 with clutch axle sleeve 21, the clutch discs 23 is fixed with input shaft 1 with the fixation of rotor 6 or the clutch discs 23, and the clutch discs 23 are equipped with the end with clutch axle sleeve 21 The corresponding tooth socket 9 of face tooth 5, the end-tooth 5 of the clutch axle sleeve 21 protrudes into corresponding tooth socket 9, between rotor 6 and clutch axle sleeve 21 It connecing in succession, this kind of connection type plays better protective effect to rotor, and rotor high speed rotation when due to dehydration, torque is larger, The intensity of rotor 6 can be affected by slotting on rotor 6, so having to increase the thickness of rotor 6, will cause the increasing of cost The increase of additive weight, so being indirectly connected with by clutch discs 23 as preferred embodiment, it is further preferred that clutch discs 23 are fixedly connected with the rotor, and can be connected by way of interference fit or spline connection.

Deceleration device includes deceleration train and the ring gear that is meshed with deceleration train, and different output states are by deceleration device Internal deceleration wheel train structure determines.As a kind of preferred embodiment of invention, the ring gear of the present embodiment is as clutch shaft Set 21, deceleration device includes central gear 10, the planetary gear 11 engaged with central gear 10, engaged with planetary gear 11 from Sympodium set 21,1 one end of input shaft of the speed-reducing clutch and the rotor 6 of direct driving motor connect, the other end and central gear 10 Connection, 2 one end of output shaft of the speed-reducing clutch connect the other end with central gear 10 and connect with agitation wheel for washing machine, described to subtract 3 one end of output sleeve of speed clutch connect the other end with planetary gear pinion frame 12 and connect with washing of drum type washing machine cylinder； The arrangement of clutch includes the clutch axle sleeve 21 of deceleration device and the driving device of driving ring gear axial movement.Due to ring gear As clutch axle sleeve, so driving output sleeve 3 is preferably connect with output sleeve 3 not by ring gear.

Above-mentioned input shaft 1 and output shaft 2 can be two axis, connect respectively with central gear or above-mentioned input shaft 1 and Output shaft 2 is one coaxial, and currently preferred is input shaft 1 and output shaft 2 is one coaxial, such 1 He of situation input shaft The support of two bearings of output shaft 2 needs, further shortens the axial length of speed-reducing clutch.

First bearing 13, the bearing block of the speed-reducing clutch shell 19 are set between the mounting plate 8 and output sleeve 3 Second bearing 14 is set between 195 and input shaft 1, the deceleration device is arranged between first bearing 13 and second bearing 14, And first bearing 13, deceleration device and second bearing 14 are disposed proximate to.It is compact-sized in axial direction, save space.

The inside of output sleeve 3 is arranged in output shaft 2, and is arranged between output sleeve 3 and the mounting plate 8 of speed-reducing clutch One bearing 13, the input shaft 1 are directly or indirectly fixedly connected with rotor 6, and a clutch discs 23 are arranged on input shaft 1, described defeated Enter and connected between axis 1 and clutch discs 23 by spline, second bearing 14 is set between the clutch discs 23 and shell 19, it is described to subtract Speed variator and arrangement of clutch are arranged between first bearing 13 and second bearing 14.The axial direction of deceleration device is installed before being equivalent to Apart from upper, it is mounted with deceleration device and arrangement of clutch now, substantially reduces the axial space of the occupancy of speed-reducing clutch, slows down Device and arrangement of clutch projection of straight line where input shaft are least partially overlapped, both ensure that the effect that can be realized clutch, The axial space of occupancy can also be greatlyd save.

Speed-reducing clutch is extending at least partially into the cavity of direct driving motor, and the preferably described deceleration device is at least partly arranged In the cavity of direct driving motor stator, the cavity of the stator of direct driving motor is arranged in the gear parts of further preferred deceleration device Interior, such direct driving motor and speed-reducing clutch have also shared axial space, further reduce shared by outer barrel/cylinder bottom structure Axial space, reserve more spaces to increase scrubbing space.

The input shaft 1 is connect with 6 center of direct drive motor rotor, 6 center of rotor to 1 side of input shaft be recessed, formed one with The recessed portion 15 that input shaft 1 connects, the depth of recess are enough to hide the head of the threaded fastener 16 of rotor 6 and input shaft 1, this The head of threaded fastener 16 has been hidden into recessed portion 15 by sample, and the head of threaded fastener 16 is also shared with direct driving motor Axial space, the head of threaded fastener 16 in axial occupation space, do not further reduce shared by outer barrel/cylinder bottom structure Axial space reserves more spaces to increase scrubbing space.

The mounting plate 8 of speed-reducing clutch and the stator 7 of direct driving motor are directly connected to, and eliminate the connector of the two, are reduced The quantity of part, structure is simple, easy to assembly, saves cost.The deceleration device is arranged in what stator 7 and mounting plate 8 formed In cavity, the mounting plate 8, deceleration device and direct driving motor are disposed proximate in the axial direction.It is compact-sized in axial direction, it saves empty Between.

A kind of clutch driving method of decelerating clutch of washing machine of the present invention: driving clutch axle sleeve 21 moves axially Driving device includes at least a clutch platen 20 being coaxially disposed with clutch axle sleeve 21, and the clutch platen 20 circumferentially rotates driving The axial movement of clutch axle sleeve 21.

Due to support construction be it is fixed, when clutch platen 20 rotates, the highest point of the first wedge-shaped protrusion 27 and the second wedge When the highest point contact of shape protrusion 28, clutch axle sleeve 21 is expressed to the another location in axial direction by the other end of clutch platen 20, When clutch platen 20 continues to rotate or rotates backward, the highest point of the first wedge-shaped protrusion 27 is minimum with the second wedge-shaped protrusion 28 When point contact, clutch axle sleeve 21 be returned to it is original, due to support construction be it is fixed, when clutch platen 20 rotate, first wedge shape When the highest point of protrusion 27 and the highest point contact of the second wedge-shaped protrusion 28, the other end of clutch platen 20 squeezes clutch axle sleeve 21 It is pressed onto the another location in axial direction, when clutch platen 20 continues to rotate or rotates backward, the highest point of the first wedge-shaped protrusion 27 When with the minimum point contact of the second wedge-shaped protrusion 28, clutch axle sleeve 21 is returned to home position.

This kind of driving device, structure is simple, axially occupies little space, and so as to shorten the axial height of speed-reducing clutch, stays More space settings are bigger for washing tube/cylinder down, increase washing capacity, wash so that reducing in the case where washing capacity is constant The volume of clothing machine, or increase washing capacity in the case where washing machine constancy of volume.

Driving device further includes a reset spring 18, and the outer of ring gear is arranged in the clutch platen and the reset spring It encloses, clutch platen and the reset spring do not occupy axial height space individually, and 21 outer wall of clutch axle sleeve is equipped with ring-type The side of annular boss 17 is arranged in boss 17, clutch platen 20, and the other side of annular boss is arranged in reset spring 18.Or The same side of annular boss is arranged in the clutch platen 20 and reset spring 18.

Clutch platen 20 and reset spring 18 can also be separately positioned on the two sides of annular boss 17, when 20 turns of clutch platen Dynamic, when the highest point contact of the highest point of the first wedge-shaped protrusion 27 and the second wedge-shaped protrusion 28, the other end of clutch platen 20 will Clutch axle sleeve 21 is expressed to the another location in axial direction, and reset spring 18 is compressed, when clutch platen 20 continues to rotate or instead To rotation, when the minimum point contact of the highest point of the first wedge-shaped protrusion 27 and the second wedge-shaped protrusion 28, clutch platen 20 is to clutch The extruding force of axle sleeve 21 disappears, and 18 restoring force of reset spring makes clutch axle sleeve 21 be returned to home position.

Certain clutch platen 20 and reset spring 18 also can be set in the same side of annular boss 17, and clutch platen 20 squeezes When pressing annular boss 17 to drive clutch axle sleeve 21 mobile, 18 under tension of reset spring, when clutch platen 20 is to clutch shaft When the extruding force of set 21 disappears, 18 restoring force of reset spring makes clutch axle sleeve 21 be returned to home position.

The support construction is speed-reducing clutch shell 19, institute, the first end 191 of the speed-reducing clutch shell 19 Inner wall is equipped with the second wedge-shaped protrusion 29 with the cooperation of the first wedge-shaped protrusion 27 and reversed dip on clutch platen 20, resets bullet The other end of spring 18 is supported on the mounting plate 8 of speed-reducing clutch.

Or the support construction be speed-reducing clutch mounting plate 8, the mounting plate 8 be equipped with on clutch platen 20 The cooperation of the first wedge-shaped protrusion 27 and reversed dip the second wedge-shaped protrusion 29, the other end of reset spring 18 is supported on mounting plate On 8.

As shown in Fig. 5, Fig. 6, Fig. 7 and Fig. 9, one end of clutch platen 20 is equipped at least two first wedge-shaped protrusions 27, more Center of circle central symmetry of a first wedge-shaped protrusion 27 about clutch platen 20, first wedge-shaped protrusion 27 include the first inclined-plane 272 and first plane 271, the support construction of the clutch platen 20 is equipped with and the first wedge-shaped protrusion 27 on clutch platen 20 Shape is identical and the second wedge-shaped protrusion 29 of reversed dip, second wedge-shaped protrusion 29 include and the first inclined-plane 272 and first The second inclined-plane 292 and the second plane 291 that plane 271 cooperates.When the first inclined-plane 272 and fully mated the second inclined-plane 292, clutch Axle sleeve 21 is in a state of nature；Clutch platen 20 rotate the first wedge-shaped protrusion 27 gradually rotate, due to support construction be it is fixed, When the rotation of clutch platen 20 squeezes 21 to the first plane 271 of clutch axle sleeve and fully mated the second plane 291, clutch platen 20 will Clutch axle sleeve 21 is expressed to the another location in axial direction, and reset spring 18 is compressed, when clutch platen 20 continues to rotate or instead To rotation, clutch platen 20 disappears to the extruding force of clutch axle sleeve 21, and 18 restoring force of reset spring is returned to clutch axle sleeve 21 Home position.

Or the support construction of the clutch platen 20 is equipped with and 27 shape of the first wedge-shaped protrusion on clutch platen 20 Identical wedge shape is concave, and the concave wedge shape includes the inclined-plane cooperated with the first inclined-plane and the first plane and plane.Clutch pressure Disk 20 turn to first wedge-shaped protrusion 27 completely into matched setting wedge shape it is concave interior when, clutch axle sleeve 21 is in Reset condition；Clutch platen 20 rotate the first wedge-shaped protrusion 27 gradually screws out it is wedge-shaped concave, due to support construction be it is fixed, from Clutch axle sleeve 21 is expressed to the another location in axial direction by combined pressure disk 20, and reset spring 18 is compressed, when clutch platen 20 continues It rotates or rotates backward, gradually screw-in wedge shape is concave again for the first wedge-shaped protrusion 27, and clutch platen 20 is squeezed to clutch axle sleeve 21 Pressure disappears, and 18 restoring force of reset spring makes clutch axle sleeve 21 be returned to home position.

26 outer circumference of annulus ontology of clutch platen 20 is equipped with the driving lever 28 of driving clutch platen rotation, preferably driving lever 28 are structure as a whole with the annulus ontology 26 of clutch platen 20, and a notch 30 is equipped on the speed-reducing clutch shell 19, The driving lever 28 stretches out speed-reducing clutch shell 19 by the notch 30, connects a driving motor 31, driving lever on the driving lever 28 The slotted hole passed through for 31 motor shaft of driving motor is set on 28, and 31 motor shaft of driving motor is past under the action of driving motor 31 It is multiple mobile, the reciprocating rotation of driving lever 28 is driven, to realize the reciprocating rotation of clutch platen 20.

Certainly it drives the mode of 20 low-angle reciprocating rotation of clutch platen to have very much, the driving side of gear can also be passed through Formula: driving lever is rotated equipped with fan-shaped circumference gear or fan-shaped face gear, another gear of a motor driven, the gear and sector Circumference gear or the engagement of fan-shaped face gear, motor-driven gear positive and negative rotation, it can be achieved that driving lever 28 reciprocating rotation, thus real The reciprocating rotation of existing clutch platen 20.

The rotation of clutch platen 20 can also be driven by crank-rocker mechanism.

Embodiment three

As shown in Figure 3, Figure 4, a kind of decelerating clutch of washing machine of the present invention, comprising: input shaft 1, deceleration device, from Attach together set, the periphery of deceleration device is arranged in output shaft 2 and output sleeve 3, the arrangement of clutch, the arrangement of clutch at least wraps The clutch axle sleeve 21 being axially movable is included, the outside of the ring gear 4 of deceleration device is arranged in the clutch axle sleeve 21, with ring gear 4 opposite can axially slide circumferential not relatively turnable connection, and the axial movement of clutch axle sleeve 21 makes ring gear 4 pass through clutch axle sleeve 21 connect with the structure of different conditions, control the different output states of output shaft 2 and output sleeve 3, the ring gear 4 and deceleration At least partly gear engagement in device.

The periphery of deceleration device is arranged in arrangement of clutch of the present invention, the part axis that can will be occupied original arrangement of clutch To space, the height that speed-reducing clutch integrally axially occupies is reduced, so as to reduce in the case where washing capacity is constant The volume of washing machine, or increase washing capacity in the case where washing machine constancy of volume.In the research and development of washing machine, washing Even if the axial space that bucket/cylinder bottom speed-reducing clutch occupies subtract be reduced by several millimeters it is all very big at last improve, to washing capacity Influence will be very big, and the axial length of general clutch axle sleeve can reach tens millimeters, and clutch axle sleeve is put by the present invention The axial length of clutch axle sleeve is saved, has to washing capacity and greatly mention by the outside of the reduction gearing of deceleration device It is high.

Deceleration device includes the central gear 10 connecting with input shaft 1, the planetary gear 11 engaged with central gear 10, with The ring gear 4 that planetary gear 11 engages, the arrangement of clutch include that clutch axle sleeve 21 and driving clutch axle sleeve 21 move axially Driving device, clutch axle sleeve 21 are arranged outside ring gear 4, and the outer wall of the ring gear 4 is equipped with axial guiding spline 24, institute It states 21 inner wall of clutch axle sleeve and is equipped with the guide chute 25 cooperated with guiding spline 24.Clutch axle sleeve 21 can be in the outside of ring gear 4 It moves in the axial direction, completion is connect with the structure of different conditions, and such as rotational structure and fixed structure, and ring gear 4 is axial static Only, what the sealing of such ring gear 4 became is more easier, and the requirement to machining accuracy will not be too high, is processed into reduce This, it is higher to the seal request being slidably connected if ring gear 4 slides axially, so, one is arranged in the present invention in the axial direction The clutch axle sleeve 21 that the structure connection of completion and different conditions can be slided, completes the function of clutch, meanwhile, in internal circumferential Ring gear 4 and clutch axle sleeve 21 can be driven to have identical rotary state.

One speed-reducing clutch shell 19 is set outside clutch axle sleeve 21, and speed-reducing clutch shell 19 is opposite with washing machine outer cylinder solid It is fixed, and part is arranged in the cavity of direct driving motor stator 7, the preferably described speed-reducing clutch shell 19 includes the second end 193, The second end 193 is fixedly connected with washing machine outer cylinder, and the preferably described speed-reducing clutch shell 19 further includes mounting plate 8, mounting plate 8 It is fixedly connected on washing machine outer cylinder, the mounting plate 8 of 193 speed-reducing clutch of the second end.

The clutch axle sleeve 21 is a tube-in-tube structure, and the both ends of clutch axle sleeve 21 are respectively equipped with end-tooth 5, clutch axle sleeve 21 It is axially movable in first position and the second position, when the state of first position, the end-tooth 5 of one end of clutch axle sleeve 21 and straight The rotor 6 for driving motor connects, the synchronized rotation in the same direction of clutch axle sleeve 21 and rotor 6, this state is dewatering state, when the second position, The end-tooth 5 of 21 other end of clutch axle sleeve is connect with the mounting plate 8 of speed-reducing clutch, and clutch axle sleeve 21 is fixed, this state is to wash Wash state.Or can also have the third place, when the third place state, the end-tooth 5 at 21 both ends of clutch axle sleeve not with other Structure connection, the ring gear 4 are in free state, this state is generally also washing state.

The rotational structure is the rotor 6 of direct driving motor or is and the relatively-stationary clutch discs 23 of rotor 6, the fixation Structure is outer cylinder or speed-reducing clutch shell 19 or is or is and the relatively-stationary fixed disk of speed-reducing clutch shell 19.

The mounting plate 8 of speed-reducing clutch is equipped with tooth socket 9 corresponding with the end-tooth 5 of clutch axle sleeve 21, the clutch The end-tooth 5 of axle sleeve 21 protrudes into corresponding tooth socket 9, and mounting plate 8 and clutch axle sleeve 21 are directly connected to, this kind of connection type, structure Simply, assembly is simple, and components are less, save the cost；Or a fixed disk is set on the mounting plate 8 of the speed-reducing clutch (fixed disk is being not shown in the figure), the fixed disk is equipped with tooth socket 9 corresponding with the end-tooth 5 of clutch axle sleeve 21, described The end-tooth 5 of clutch axle sleeve 21 protrudes into corresponding tooth socket 9, and mounting plate 8 and clutch axle sleeve 21 are indirectly connected with.This kind of connection type is more Be conducive to the service life of mounting plate 8, if clutch axle sleeve 21 is directly connected to by the tooth socket 9 on end-tooth 5 and mounting plate 8, by Torque is larger in rotation process, after tooth socket 9 damages, need to all replace entire mounting plate 8, if passing through the tooth in fixed disk Slot 9 connects, and after the tooth socket 9 in fixed disk damages, can only replacement fixed disk, the maintenance of such washing machine in the future become more Add convenient and efficient.

The rotor 6 of direct driving motor is equipped with tooth socket 9 corresponding with the end-tooth 5 of clutch axle sleeve 21, the clutch axle sleeve 21 end-tooth 5 protrudes into corresponding tooth socket 9, and rotor 6 and clutch axle sleeve 21 are directly connected to, this kind of connection type, and structure is simple, fills With simple, components are less, save the cost；Or rotor 6 is connect by a clutch discs 23 with clutch axle sleeve 21, the clutch discs 23 is fixed with input shaft 1 with the fixation of rotor 6 or the clutch discs 23, and the clutch discs 23 are equipped with the end with clutch axle sleeve 21 The corresponding tooth socket 9 of face tooth 5, the end-tooth 5 of the clutch axle sleeve 23 protrudes into corresponding tooth socket 9, between rotor 6 and clutch axle sleeve 21 Connect in succession, this kind of connection type plays better protective effect to rotor 6, due to dehydration when 6 high speed rotation of rotor, torque compared with Greatly, the intensity of rotor 6 can be affected by slotting on rotor 6, so having to increase the thickness of rotor 6, will cause cost Increasing additive weight increase, so being indirectly connected with as preferred embodiment by clutch discs 23, it is further preferred that from It closes disk 23 to be fixedly connected with the rotor, can be connected by way of interference fit or spline connection.

Deceleration device includes deceleration train and the ring gear that is meshed with deceleration train, and different output states are by deceleration device Internal deceleration wheel train structure determines.As a kind of preferred embodiment of the invention, the week of ring gear 4 is set with clutch to the periphery Axle sleeve 21, the other end is connect with central gear 10 for 1 one end of input shaft of speed-reducing clutch and the rotor 6 of direct driving motor connects, institute 2 one end of output shaft for stating speed-reducing clutch connect the other end with central gear 10 and connect with agitation wheel for washing machine, the deceleration clutch 3 one end of output sleeve of device connect the other end with the pinion frame 12 of planetary gear 11 and connect with washing of drum type washing machine cylinder.Due to Ring gear 4 and the rotary state of clutch axle sleeve 21 are identical, so preferably ring gear 4 is not connect driving with output sleeve 3 Output sleeve 3.Input shaft 1 is connect with central gear 10 or input shaft 1 is wholely set with central gear 10.

The inside of output sleeve 3 is arranged in output shaft 2, and is arranged between output sleeve 3 and the mounting plate 8 of speed-reducing clutch One bearing 13, the input shaft 1 are fixedly connected with rotor 6, and a clutch discs 23, the input shaft 1 and clutch are arranged on input shaft 1 It is connected between disk 23 by spline, second bearing 14, the deceleration device and clutch dress is set between the clutch discs and shell It installs between first bearing 13 and second bearing 14.Before being equivalent on the axial distance of installation deceleration device, pacify now Deceleration device and arrangement of clutch have been filled, the axial space of the occupancy of speed-reducing clutch, deceleration device and clutch dress are substantially reduced It sets that the projection of straight line where input shaft is least partially overlapped, both ensure that the effect that can be realized clutch, moreover it is possible to greatly save The axial space of occupancy.

The input shaft 1 is connect with 6 center of direct drive motor rotor, 6 center of rotor to input shaft side be recessed, formed one with it is defeated Enter the recessed portion 16 of axis connection, the depth of recess is enough to hide the head of the threaded fastener of rotor 6 and input shaft 1.In this way will The head of threaded fastener 16 has been hidden into recessed portion 15, and the head of threaded fastener 16 has also shared axial direction with direct driving motor Space, the head of threaded fastener 16 in axial occupation space, do not further reduce axial direction shared by outer barrel/cylinder bottom structure Space reserves more spaces to increase scrubbing space.

Clutch platen 20 is a rotatable annulus ontology 26, one end of annulus ontology 26 be circumferentially equipped at least one the One wedge-shaped protrusion 27, the other end are contacted with clutch axle sleeve 21, and one end that clutch platen 20 is equipped with the first wedge-shaped protrusion 27 is equipped with one Fixed support construction, the support construction are equipped with and match on clutch platen 20 the first wedge-shaped protrusion 27 and reversely incline Oblique the second wedge-shaped protrusion 29 or wedge shape are concave, due to support construction be it is fixed, when clutch platen 20 rotates, the first wedge shape is convex When playing 27 highest point and the highest point contact of the second wedge-shaped protrusion 28, the other end of clutch platen 20 squeezes clutch axle sleeve 21 Another location on to axial direction, when clutch platen 20 continues to rotate or rotates backward, the highest point of the first wedge-shaped protrusion 27 with When the minimum point contact of the second wedge-shaped protrusion 28, clutch axle sleeve 21 is returned to home position.

This kind of driving device, structure is simple, axially occupies little space, to reduce the whole height of speed-reducing clutch, stays More space settings are bigger for washing tube/cylinder down, increase washing capacity, wash so that reducing in the case where washing capacity is constant The volume of clothing machine, or increase washing capacity in the case where washing machine constancy of volume.

Driving device further includes a reset spring 18, and the clutch platen 20 and the reset spring 18 are arranged in clutch shaft The periphery of set 21,21 outer wall of clutch axle sleeve are equipped with annular boss 17, and the one of annular boss 17 is arranged in clutch platen 20 Side, the other side of annular boss is arranged in reset spring 18 or the clutch platen 20 and reset spring 18 are arranged in ring-type The same side of boss.

The support construction is speed-reducing clutch shell 19, and the first end 191 of institute, the speed-reducing clutch shell 19 is set Have on clutch platen 20 the first wedge-shaped protrusion 27 cooperation and reversed dip the second wedge-shaped protrusion 29, reset spring 18 it is another One end is supported on the mounting plate 8 of speed-reducing clutch.

Or the support construction be speed-reducing clutch mounting plate 8, the mounting plate 8 be equipped with on clutch platen 20 The cooperation of the first wedge-shaped protrusion 27 and reversed dip the second wedge-shaped protrusion 29, the other end of reset spring 18 is supported on shell 19 On.

Or the support construction of the clutch platen 20 is equipped with and 27 shape of the first wedge-shaped protrusion on clutch platen 20 Identical wedge shape is concave, and the concave wedge shape includes the inclined-plane cooperated with the first inclined-plane and the first plane and a plane.Clutch Platen 20 turn to first wedge-shaped protrusion 27 it is concave interior completely into the wedge shape of matched setting when, at clutch axle sleeve 21 In reset condition；Clutch platen 20 rotate the first wedge-shaped protrusion 27 gradually screws out it is wedge-shaped concave, due to support construction be it is fixed, Clutch axle sleeve 21 is expressed to the another location in axial direction by clutch platen 20, and reset spring 18 is compressed, when clutch platen 20 after Continuous rotation rotates backward, and gradually screw-in wedge shape is concave again for the first wedge-shaped protrusion 27, and clutch platen 20 is to clutch axle sleeve 21 Extruding force disappears, and 18 restoring force of reset spring makes clutch axle sleeve 21 be returned to home position.

26 outer circumference of annulus ontology of clutch platen 20 is equipped with the driving lever 28 of driving clutch platen rotation, preferably driving lever 28 are structure as a whole with the annulus ontology 26 of clutch platen 20, and the speed-reducing clutch shell 19 is equipped with a notch 30, described Driving lever 28 stretches out speed-reducing clutch shell 19 by the notch 30, connects a driving motor 31 on the driving lever 28, on driving lever 28 The slotted hole passed through for 31 motor shaft of driving motor is set, and 31 motor shaft of driving motor back and forth moves under the action of driving motor 31 It is dynamic, the reciprocating rotation of driving lever 28 is driven, to realize the reciprocating rotation of clutch platen 20.

The rotation of clutch platen 20 can also be driven by crank-rocker mechanism.

The above is only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form, though So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this patent Member without departing from the scope of the present invention, when the technology contents using above-mentioned prompt make it is a little change or be modified to The equivalent embodiment of equivalent variations, but anything that does not depart from the technical scheme of the invention content, it is right according to the technical essence of the invention Any simple modification, equivalent change and modification made by above embodiments, in the range of still falling within the present invention program.

Claims

1. a kind of decelerating clutch of washing machine characterized by comprising input shaft (1), deceleration device, arrangement of clutch, output shaft (2) and output sleeve (3), the arrangement of clutch include clutch platen (20) and clutch axle sleeve (21), clutch axle sleeve (21) set Mounted in deceleration device week to the periphery, clutch platen (20) driving clutch axle sleeve (21) axial movement with control deceleration device realization Synchronized/differential speed rotation of output shaft (2) and output sleeve (3) realizes dehydration/washing operating condition；Clutch platen (20) connection Have driving motor (31), driving motor (31) drives clutch platen (20) around axis rotation driving clutch axle sleeve along axial It is mobile；

It further include speed-reducing clutch shell (19), the deceleration device and arrangement of clutch are arranged at speed-reducing clutch shell (19) one end end of inside, speed-reducing clutch shell (19) is fixedly connected relative to the outer cylinder of washing machine, and the other end protrudes into Into the internal cavities of the rotor (6) of direct driving motor and the second wedge-shaped protrusion (29) are arranged in the inner wall of the end end；Described Two wedge-shaped protrusions (29) are arranged corresponding to the first wedge-shaped protrusion (27)；Driving motor (31) driving clutch platen (20) rotation Turn, the second wedge-shaped protrusion (29) support the first wedge-shaped protrusion (27) moves axially in clutch platen (20) rotary course；

One end end that the speed-reducing clutch shell (19) is connect with washing machine outer cylinder forms mounting plate (8), deceleration clutch Device is fixed on the outer cylinder of washing machine by mounting plate (8)；It is installed between the mounting plate (8) and clutch axle sleeve (21) multiple Position spring (18), the driving motor (31) are fixedly mounted on mounting plate (8).

2. a kind of decelerating clutch of washing machine according to claim 1, which is characterized in that the clutch platen (20) is Cyclic structure, the side of annulus ontology (26) and the shell male-female engagement of speed-reducing clutch, the other side of annulus ontology (26) with Clutch axle sleeve (21) matches.

3. a kind of decelerating clutch of washing machine according to claim 1 or 2, which is characterized in that the clutch platen It (20) include driving lever (28), the driving lever (28) extends a protrusion by clutch platen (20) and formed；The driving electricity Machine (31) includes motor shaft (311), the motor shaft (311) push-and-pull movement or rotational movement driving lever (28) circumference fortune Dynamic or partial circumference moves back and forth or circumference moves back and forth.

4. a kind of decelerating clutch of washing machine according to claim 3, which is characterized in that the driving motor (31) is Motor or thrust motor are pushed and pulled, sliding slot (281) are set on driving lever (28), motor shaft (311) connection sliding block (32)；The electricity Arbor (311) passes through sliding block (32) push-and-pull driving lever (28) rotation.

5. a kind of decelerating clutch of washing machine according to claim 4, which is characterized in that the sliding block (32) and sliding slot (281) it matches, sliding block (32) is freely slidable relative to sliding slot (281) and does not fall out；Preferably, the sliding block (32) It is vertically arranged with motor shaft (311).

6. a kind of decelerating clutch of washing machine according to claim 3, which is characterized in that the driving motor (31) Motor shaft (311) rotary motion connects pinion gear (33) on motor shaft (311)；Circumferentially one on the clutch platen (20) The rack gear (34) that week or local setting are meshed with pinion gear (33);The facewidth of the pinion gear (33) is greater than rack gear (34) The facewidth.

7. a kind of decelerating clutch of washing machine according to claim 6, which is characterized in that the rack gear (34) is arc Rack gear, rack gear (34) are fixedly mounted on the driving lever (28) of clutch platen (20).

8. a kind of decelerating clutch of washing machine according to claim 6, which is characterized in that the driving motor (31) Microswitch is arranged in inside setting microswitch or the rack gear (34) both ends；The microswitch controls small tooth Wheel (33) moves back and forth on rack gear (34).

9. a kind of decelerating clutch of washing machine according to claim 1, which is characterized in that the clutch platen (20) is also Including annulus ontology (26), one end end and clutch axle sleeve (21) of annulus ontology (26) cooperate, annulus ontology (26) it is another At least one first wedge-shaped protrusion (27) is arranged in the end at end；The driving motor (31) drives the rotary motion of annulus ontology, It is supported effect in first wedge-shaped protrusion (27) rotary course and pushes annulus ontology (26) axial movement.

10. a kind of washing machine using speed-reducing clutch described in any one of claim 1-9.