CN105297343B

CN105297343B - A kind of decelerating clutch of washing machine and washing machine

Info

Publication number: CN105297343B
Application number: CN201410374242.7A
Authority: CN
Inventors: 迟宗锐; 肖磊; 栾厚利; 李全德; 杜会防; 陈志�
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: 2019-07-23
Anticipated expiration: 2034-07-31
Also published as: CN105297343A

Abstract

The present invention relates to a kind of decelerating clutch of washing machine and washing machines, speed-reducing clutch includes: input shaft, deceleration device, arrangement of clutch, output shaft and output sleeve, the arrangement of clutch is at least partially disposed in the week of deceleration device to the periphery, the arrangement of clutch includes at least the clutch axle sleeve being axially movable, the clutch axle sleeve is the ring gear of deceleration device, ring gear axial movement, controls the different output states of output shaft and output sleeve.The week of deceleration device is arranged in the periphery in arrangement of clutch of the present invention, the part axial space that original arrangement of clutch individually occupies can be saved, reduce the whole height of speed-reducing clutch, so as to reducing the volume of washing machine in the case where washing capacity is constant, or in the case where washing machine constancy of volume increase washing capacity.

Description

A kind of decelerating clutch of washing machine and washing machine

Technical field

The present invention relates to washing machine field, especially a kind of decelerating clutch of washing machine and washing with the speed-reducing clutch Clothing machine.

Background technique

Washing machine is common household electrical appliance in people's daily life, and installation laundry mode is different, is 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 pair of outer cylinder transfer Clothing is washed or is dehydrated.Present roller washing machine is only washed using the rotation of roller merely, and roller is only utilized In 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 also controlled using speed-reducing clutch, and the laundry of same volume is equally faced How machine accomplishes the problem of how 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 also having very large space around speed-reducing clutch, this segment space does not install other structures, makes At the waste of bottom space, and the motor, deceleration device and arrangement of clutch of speed-reducing clutch are set gradually along axial direction, is also resulted in The waste of bottom space, therefore, how arrangement of clutch, deceleration device and the motor of reasonable Arrangement speed-reducing clutch, to reduce The whole height of speed-reducing clutch increases the washing capacity of washing machine, becomes technical problem urgently to be solved.

Given this present invention is 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 lesser washing machine deceleration clutch of whole height Device.

Another object of the present invention is to provide a kind of washing machine with above-mentioned speed-reducing clutch.

In order to realize the purpose, the present invention adopts the following technical scheme: a kind of decelerating clutch of washing machine, comprising: input Axis, deceleration device, arrangement of clutch, output shaft and output sleeve, the arrangement of clutch are at least partially disposed in the week of deceleration device To the periphery, the arrangement of clutch includes at least the clutch axle sleeve being axially movable, and the clutch axle sleeve is the internal tooth of deceleration device Circle, ring gear axial movement, controls the different output states of output shaft and output sleeve.

The ring gear is a tube-in-tube structure, is engaged at least partly gear in deceleration device.

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

One shell is set outside the ring gear, and shell and washing machine outer cylinder are relatively fixed, and part is arranged in direct driving motor In the cavity of stator, first bearing, the shell other end and input are set between preferably described shell one end and output sleeve Second bearing is set between axis, and the deceleration device is arranged between first bearing and second bearing, and first bearing, deceleration dress It sets and is disposed proximate to second bearing,

It is preferred that the shell includes a upper cover, which is fixedly connected with washing machine outer cylinder,

It is preferred that the upper cover is the mounting plate of speed-reducing clutch.

The both ends of the ring gear are respectively equipped with end-tooth, and ring gear is axially movable at least in first position and second Position, when the state of first position, the end-tooth of ring gear one end is connect with a rotational structure, and ring gear turns at the same speed in the same direction with rotor Dynamic, this state is dewatering state, and when the second position, the end-tooth of the ring gear other end is connect with a fixed structure, and ring gear is solid Fixed, this state is washing state.

The rotational structure is the rotor of direct driving motor or is and the relatively-stationary clutch discs of rotor, the fixed structure It for outer cylinder or shell or is to be arranged in what deceleration device was pierced by for output shaft with the relatively-stationary fixed disk of outer cylinder, the fixed disk One end.

The mounting plate is equipped with tooth socket corresponding with the end-tooth of ring gear, and the end-tooth of the ring gear protrudes into pair The tooth socket answered, mounting plate and ring gear are directly connected to；Or a fixed disk is set on the mounting plate, the fixed disk is equipped with Tooth socket corresponding with the end-tooth of ring gear, the end-tooth of the ring gear protrude into corresponding tooth socket, mounting plate and ring gear It is indirectly connected with.

The rotor of the direct driving motor is equipped with tooth socket corresponding with the end-tooth of ring gear, the end face of the ring gear Tooth protrudes into corresponding tooth socket, and rotor and ring gear are directly connected to；Or rotor is connect by a clutch discs with ring gear, it is described from Conjunction disk is fixed with rotor or the clutch discs are fixed with input shaft, and the clutch discs are equipped with opposite with the end-tooth of ring gear The tooth socket answered, the end-tooth of the ring gear protrude into corresponding tooth socket, and rotor and ring gear are indirectly connected with, the preferably described input shaft One clutch discs of upper setting are connected between the input shaft and clutch discs by spline.

The deceleration device includes central gear, planetary gear, and planetary gear planetary wheel carrier is engaged with planetary gear Ring gear, input shaft is connect with central gear or input shaft is wholely set with central gear, and planetary wheel carrier and output sleeve are solid Fixed connection, the preferably described input shaft and the output shaft are an axis.

The input shaft is connect with rotor center, and rotor center is recessed to input shaft side, forms one and input axis connection Recessed portion, the depth of recess are enough to hide the head of the threaded fastener of rotor and input shaft.

The stator of the direct driving motor and the mounting plate of speed-reducing clutch are directly connected to, and the deceleration device is arranged in stator In the cavity of mounting plate composition, the mounting plate, deceleration device and direct driving motor are disposed proximate in the axial direction.

A kind of washing machine with above-mentioned decelerating clutch of washing machine.

After technical solutions according to the invention, bring it is following the utility model has the advantages that

1, the week that deceleration device is arranged in arrangement of clutch of the present invention to the periphery, original arrangement of clutch can individually be occupied Part axial space saves, and reduces the whole height of speed-reducing clutch, so as to the situation constant in washing capacity The lower volume for reducing washing machine, or increase washing capacity in the case where washing machine constancy of volume.

2, speed-reducing clutch of the present invention is extending at least partially into the cavity of direct driving motor, further reduces deceleration clutch The axial space that device occupies, bigger space is provided for washing tube.

3, speed-reducing clutch and direct driving motor stator of the present invention is directly connected to, and eliminates the connector of the two, reduces part Quantity, structure is simple, easy to assembly, saves cost.

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

5, speed-reducing clutch axial arrangement of the present invention is compact, and each structure is disposed proximate to, and reduces axial occupied space.

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 Structure explosion diagram of the present invention

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

Fig. 3: further embodiment of this invention speed-reducing clutch Structure explosion diagram

Fig. 4: further embodiment of this invention speed-reducing clutch structure sectional view

Fig. 5: clutch press plate structure schematic diagram of the present invention

Fig. 6: shell mechanism schematic diagram 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, central gear, 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, shell, 20, clutch platen, 21, clutch shaft Set, 22, driving lever, 23, clutch discs, 24, guiding spline, 25, guide chute, 26, annulus ontology, the 27, first wedge-shaped protrusion, 271, First plane, the 272, second plane, the 29, second wedge-shaped protrusion, the 291, second plane, the 292, second inclined-plane, 30, notch, 31, push away Draw motor.

Specific embodiment

Embodiment one

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, output shaft 2 and output sleeve 3, the week of deceleration device is arranged in the periphery in the arrangement of clutch, straight where input shaft Projection on line is least partially overlapped, and the arrangement of clutch includes at least the clutch axle sleeve being axially movable, the clutch axle sleeve For the ring gear 4 of deceleration device, the axial movement of ring gear 4 is connect with the structure of different conditions, controls output shaft 2 and output sleeve 3 different output states, the ring gear 4 are engaged 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.

Deceleration device includes deceleration train, the ring gear 4 engaged with deceleration train, the difference of output shaft 2 and output sleeve 3 Output state is determined that the present invention pertains only to one such deceleration train by the deceleration wheel train structure inside deceleration device.

The week of deceleration device is arranged in the periphery in arrangement of clutch of the present invention, the part that original arrangement of clutch can be occupied Axial space saves, and reduces the whole height of speed-reducing clutch, 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.

And clutch axle sleeve of the ring gear 4 of speed-reducing clutch of the present invention as arrangement of clutch, eliminate individual clutch shaft Set, 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.

One shell 19 is set outside ring gear 4, and shell 19 and washing machine outer cylinder are relatively fixed, and part is arranged in direct driving motor In the cavity of stator 7, the preferably described shell 19 includes a upper cover, which is fixedly connected with washing machine outer cylinder, it is preferably described on Lid is the mounting plate 8 of speed-reducing clutch.

The ring gear 4 is a tube-in-tube structure, and the both ends of ring gear 4 are respectively equipped with end-tooth 5, and ring gear 4 can be moved axially It is dynamic at least in first position and the second position, when the state of first position, the end-tooth 5 and a rotational structure of 4 one end of ring gear Connection, the synchronized rotation in the same direction of ring gear 4 and rotor 6, this state are dewatering state, when the second position, the end of 4 other end of ring gear Face tooth 5 is connect with a fixed structure, and ring gear 4 is fixed, this state is washing state.Or can also there are the third place, third When location status, the end-tooth 5 at 4 both ends of ring gear is not connect with other structures, and the ring gear 4 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 to be arranged in deceleration device with the relatively-stationary fixed disk of shell 19, the fixed disk for output One end that axis is pierced by.

The mounting plate 8 of speed-reducing clutch is equipped with tooth socket 9 corresponding with the end-tooth 5 of ring gear 4, the ring gear 4 End-tooth 5 protrude into corresponding tooth socket 9, mounting plate 8 and ring gear 4 are directly connected to, this kind of connection type, and structure is simple, assembly Simply, components are less, save the cost；Or on the mounting plate 8 of the speed-reducing clutch fixed disk is set (fixed disk is being schemed In be not shown), the fixed disk be equipped with tooth socket 9 corresponding with the end-tooth 5 of ring gear 4, the end-tooth of the ring gear 4 5 protrude into corresponding tooth socket 9, and mounting plate 8 and ring gear 4 are indirectly connected with, this kind of connection type is more advantageous to the use longevity of mounting plate Life, if ring gear 4 is directly connected to by the tooth socket 9 on end-tooth 5 and mounting plate 8, since torque is larger in rotation process, tooth socket After 9 damages, entire mounting plate need to all be replaced, if being connected by the tooth socket 9 in fixed disk, the tooth socket 9 in fixed disk is damaged After bad, only replacement fixed disk, the maintenance of such washing machine in the future it can become more convenient.

The rotor 6 of direct driving motor is equipped with tooth socket 9 corresponding with the end-tooth 5 of ring gear 4, the end of the ring gear 4 Face tooth 5 protrudes into corresponding tooth socket 9, and rotor 6 and ring gear 4 are directly connected to, this kind of connection type, and structure is simple, assembly is simple, and zero Component is less, save the cost；Or rotor 6 is connect by a clutch discs 23 with ring gear 4, the clutch discs 23 and rotor 6 are solid The fixed or described clutch discs 23 are fixed with input shaft 1, and the clutch discs 23 are equipped with corresponding with the end-tooth 5 of ring gear 4 Tooth socket 9, the end-tooth 5 of the ring gear 4 protrude into corresponding tooth socket 9, and rotor 6 and ring gear 4 are indirectly connected with, this kind of connection type Better protective effect is played to rotor, due to dehydration when rotor high speed rotation, torque is larger, on rotor 6 fluting can to turn The intensity of son 6 affects, so having to increase the thickness of rotor 6, will cause the increase of the increasing additive weight of cost, so It is indirectly connected with by clutch discs 23 as preferred embodiment, it is further preferred that clutch discs 23 are fixedly connected with the rotor, can It is connected by way of interference fit or spline connection.

Deceleration device includes central gear 10, and the planetary gear 11 engaged with central gear 10 is engaged with planetary gear 11 Ring gear 4, the rotor 6 of 1 one end of input shaft of the speed-reducing clutch and direct driving motor connects, 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 ring gear 4 of deceleration device and the driving device of driving ring gear axial movement.Since ring gear 4 is made For clutch axle sleeve, output sleeve 3 is driven so preferably connecting not by ring gear 4 with output sleeve 3.

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 13,19 other end of shell and input shaft 1 are set between described 19 one end of shell and output sleeve 3 Between second bearing 14 is set, 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: the drive that driving ring gear 4 moves axially Dynamic device includes at least a clutch platen 20 being coaxially disposed with ring gear 4, and the clutch platen 20 circumferentially rotates driving internal tooth The axial movement of circle 4.

Described 20 one end of clutch platen is equipped with the inclined-plane in axial direction with difference in height, and driving clutch platen 20 circumferentially rotates Meanwhile the axial position of clutch platen 20 changes.

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 is contacted with ring gear, and it is fixed that one end that clutch platen 20 is equipped with the first wedge-shaped protrusion 27 is equipped with one Support construction, the support construction, which is equipped with, to be matched on clutch platen 20 the first wedge-shaped protrusion 27 and reversed dip Second wedge-shaped protrusion 29 or wedge shape it is concave, due to support construction be it is fixed, when clutch platen 20 rotate, the first wedge-shaped protrusion 27 Highest point and the second wedge-shaped protrusion 28 highest point contact when, ring gear 4 is expressed to axial direction by the other end of clutch platen 20 On another location, when clutch platen 20 continues to rotate or rotates backward, the highest point of the first wedge-shaped protrusion 27 and the second wedge When the minimum point contact of shape protrusion 28, ring gear 4 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 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 4 outer wall of ring gear is equipped with cyclic annular convex The side of annular boss 17 is arranged in platform 17, clutch platen 20, and the other side of annular boss is arranged in reset spring 18.Or institute It states clutch platen 20 and the same side of annular boss is arranged in 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 Ring gear 4 is expressed to the another location in axial direction, and reset spring 18 is compressed, when clutch platen 20 continues to rotate or reversely turns Dynamic, 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 ring gear 4 Extruding force disappears, and 18 restoring force of reset spring makes ring gear 4 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 ring gear 4 mobile, 18 under tension of reset spring, when clutch platen 20 is to ring gear 4 When extruding force disappears, 18 restoring force of reset spring makes ring gear 4 be returned to home position.

The support construction is shell 19, and the shell 19 is equipped with and clutch platen 20 close to the inside of 1 one end of input shaft On 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 deceleration On the mounting plate 8 of 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.

As shown in Figure 5, Figure 6, one end of clutch platen 20 is equipped at least two first wedge-shaped protrusions 27, multiple first wedge shapes Center of circle central symmetry of the protrusion 27 about clutch platen 20, first wedge-shaped protrusion 27 include that the first inclined-plane 272 and first is flat Face 271, the support construction of the clutch platen 20 be equipped with it is identical as 27 shape of the first wedge-shaped protrusion on clutch platen 20 and Second wedge-shaped protrusion 29 of reversed dip, second wedge-shaped protrusion 29 include cooperating with the first inclined-plane 272 and the first plane 271 The second inclined-plane 292 and the second plane 291.When the first inclined-plane 272 and fully mated the second inclined-plane 292, ring gear 4 is in original State；Clutch platen 20 rotates the first wedge-shaped protrusion 27 and gradually rotates, since support construction is fixed, the rotation of clutch platen 20 When squeezing 4 to the first plane 271 of ring gear and fully mated the second plane 291, ring gear 4 is expressed to axial direction by clutch platen 20 On another location, reset spring 18 compressed, and when clutch platen 20 continues to rotate or rotates backward, clutch platen 20 is to interior The extruding force of gear ring 4 disappears, and 18 restoring force of reset spring makes ring gear 4 be returned to 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, ring gear 4 be in original Beginning state；Clutch platen 20 rotate the first wedge-shaped protrusion 27 gradually screws out it is wedge-shaped concave, since support construction is fixed, clutch Ring gear 4 is expressed to the another location in axial direction by platen 20, and reset spring 18 is compressed, continue to rotate when clutch platen 20 or Person rotates backward, and the first wedge-shaped protrusion 27 gradually screws in wedge-shaped concave, extruding force disappearance of the clutch platen 20 to ring gear 4 again, 18 restoring force of reset spring makes ring gear 4 be returned to home position.

26 outer circumference of annulus ontology of clutch platen 20 is equipped with the driving lever 22 of driving clutch platen rotation, preferably driving lever 22 are structure as a whole with the annulus ontology 26 of clutch platen 20, and the shell 19 is equipped with a notch 30, and the driving lever 22 passes through The notch 30 stretches out shell 19, one push-and-pull motor 31 of connection on the driving lever 22, and setting is for pushing and pulling 31 motor of motor on driving lever 22 The slotted hole that axis passes through pushes and pulls 31 motor shaft of motor under the action of pushing and pulling motor 31 and moves back and forth, drives the reciprocal of driving lever 22 Rotation, 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 22 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 two

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, output shaft 2 and output sleeve 3, the week of deceleration device is arranged in the periphery in the arrangement of clutch, and the arrangement of clutch is extremely Few includes the clutch axle sleeve 21 being axially movable, and the outside of the ring gear 4 of deceleration device is arranged in the clutch axle sleeve 21, and interior Gear ring 4 is axial opposite can to 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 is connect with the structure of different conditions, controls the different output states of output shaft 2 and output sleeve 3, the ring gear 4 with At least partly gear engagement in deceleration device.

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 shell 19 is set outside clutch axle sleeve 21, and shell 19 and washing machine outer cylinder are relatively fixed, and part setting is directly being driven In the cavity of motor stator 7, the preferably described shell 19 includes a upper cover, which is fixedly connected with washing machine outer cylinder, preferably institute State the mounting plate 8 that upper cover is speed-reducing clutch.

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 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.

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 row 11 and connect with washing of drum type washing machine cylinder.Due to ring gear 4 Rotary state with clutch axle sleeve 21 is identical, so preferably connecting driving output sleeve with output sleeve 3 not by ring gear 4 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.

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.

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.

Driving device further includes a reset spring 18, and the clutch platen 20 and the reset spring 18 are arranged in clutch shaft The week of set 21,21 outer wall of clutch axle sleeve was equipped with annular boss 17 to the periphery, and clutch platen 20 is arranged in annular boss 17 Side, reset spring 18 be arranged in annular boss the other side or the clutch platen 20 and reset spring 18 setting exist The same side of annular boss.

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.

As shown in Figure 5, Figure 6, one end of clutch platen 20 is equipped at least two first wedge-shaped protrusions 27, multiple first wedge shapes Center of circle central symmetry of the protrusion 27 about clutch platen 20, first wedge-shaped protrusion 27 include that the first inclined-plane 272 and first is flat Face 271, the support construction of the clutch platen 20 be equipped with it is identical as 27 shape of the first wedge-shaped protrusion on clutch platen 20 and Second wedge-shaped protrusion 29 of reversed dip, second wedge-shaped protrusion 29 include cooperating with the first inclined-plane 272 and the first plane 271 The second inclined-plane 292 and the second plane 291.When the first inclined-plane 272 and fully mated the second inclined-plane 292, clutch axle sleeve 21 is in Reset condition；Clutch platen 20 rotates the first wedge-shaped protrusion 27 and gradually rotates, since support construction is fixed, clutch platen 20 When rotation squeezes 21 to the first plane 271 of clutch axle sleeve and fully mated the second plane 291, clutch platen 20 is by clutch axle sleeve 21 It is expressed to the another location in axial direction, reset spring 18 is compressed, when clutch platen 20 continues to rotate or rotates backward, clutch Platen 20 disappears to the extruding force of clutch axle sleeve 21, and 18 restoring force of reset spring makes clutch axle sleeve 21 be returned to 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 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.

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

Embodiment three

A kind of washing machine with speed-reducing clutch described in above-described embodiment one or embodiment two, the washing machine are wave Wheel washer or roller washing machine.

The foregoing is merely the preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art and Speech, without departing from the principles of the present invention, can also make various deformation and improvement, this also should be considered as protection of the invention Range.

Claims

1. a kind of decelerating clutch of washing machine, comprising: input shaft, deceleration device, arrangement of clutch, output shaft and output sleeve, Be characterized in that: the arrangement of clutch is at least partially disposed in the week of deceleration device to the periphery, and the arrangement of clutch includes at least can The clutch axle sleeve of axial movement, the clutch axle sleeve be deceleration device ring gear, ring gear axial movement, control output shaft and The different output states of output sleeve；The both ends of ring gear are respectively equipped with end-tooth, and a shell is arranged outside the ring gear, described Shell includes a upper cover, which is fixedly connected with washing machine outer cylinder, and the upper cover is the mounting plate of speed-reducing clutch；It is described to subtract One fixed disk is set on the mounting plate of speed clutch, the fixed disk is equipped with tooth socket corresponding with the end-tooth of ring gear, The end-tooth of the ring gear protrudes into corresponding tooth socket, and mounting plate and ring gear are indirectly connected with.

2. a kind of decelerating clutch of washing machine according to claim 1, it is characterised in that: the ring gear is a sleeve knot Structure is engaged at least partly gear in deceleration device.

3. a kind of decelerating clutch of washing machine according to claim 1, it is characterised in that: the input shaft and direct driving motor Connection, the deceleration device are at least partially disposed in the cavity of direct driving motor stator.

4. a kind of decelerating clutch of washing machine according to claim 3, it is characterised in that: the gear part of the deceleration device Set up separately and sets in the cavity of direct driving motor stator.

5. a kind of decelerating clutch of washing machine according to claim 1 to 4, it is characterised in that: outside shell and washing machine Cylinder is relatively fixed, and part is arranged in the cavity of direct driving motor stator, and the is arranged between described shell one end and output sleeve One bearing, is arranged second bearing between the shell other end and input shaft, the deceleration device setting is in first bearing and the Between two bearings, and first bearing, deceleration device and second bearing are disposed proximate to.

6. a kind of decelerating clutch of washing machine according to claim 1 to 4, it is characterised in that: ring gear can be moved axially It is dynamic at least in first position and the second position, when the state of first position, the end-tooth of ring gear one end and rotational structure company It connecing, ring gear rotates at the same speed in the same direction with rotor, this state is dewatering state, when the second position, the end-tooth of the ring gear other end It is connect with a fixed structure, ring gear is fixed, this state is washing state.

7. a kind of decelerating clutch of washing machine according to claim 6, it is characterised in that: the rotational structure is straight drive electricity The rotor of machine is to be outer cylinder or shell or be opposite with outer cylinder solid with the relatively-stationary clutch discs of rotor, the fixed structure One end that deceleration device is pierced by for output shaft is arranged in fixed fixed disk, the fixed disk.

8. a kind of decelerating clutch of washing machine according to claim 7, it is characterised in that: on the rotor of the direct driving motor Equipped with tooth socket corresponding with the end-tooth of ring gear, the end-tooth of the ring gear protrudes into corresponding tooth socket, rotor and internal tooth Circle is directly connected to；Perhaps rotor connect the clutch discs with ring gear by a clutch discs and rotor is fixed or the clutch Disk is fixed with input shaft, and the clutch discs are equipped with tooth socket corresponding with the end-tooth of ring gear, the end face of the ring gear Tooth protrudes into corresponding tooth socket, and rotor and ring gear are indirectly connected with.

9. a kind of decelerating clutch of washing machine according to claim 8, it is characterised in that: on the input shaft be arranged one from Disk is closed, is connected between the input shaft and clutch discs by spline.

10. a kind of decelerating clutch of washing machine according to claim 1 to 4, it is characterised in that: the deceleration device Including central gear, planetary gear, planetary gear planetary wheel carrier, the ring gear engaged with planetary gear, input shaft and center Gear connection or input shaft are wholely set with central gear, and planetary wheel carrier is fixedly connected with output sleeve.

11. a kind of decelerating clutch of washing machine according to claim 10, it is characterised in that: the input shaft with it is described defeated Shaft is an axis.

12. a kind of decelerating clutch of washing machine according to claim 1 to 4, it is characterised in that: the input shaft with Rotor center connection, rotor center are recessed to input shaft side, form the recessed portion of one with input axis connection, and the depth of recess is enough Hide the head of the threaded fastener of rotor and input shaft.

13. a kind of decelerating clutch of washing machine according to claim 3, it is characterised in that: the stator of the direct driving motor It is directly connected to the mounting plate of speed-reducing clutch, the deceleration device is arranged in the cavity of stator and mounting plate composition, described Mounting plate, deceleration device and direct driving motor are disposed proximate in the axial direction.

14. a kind of washing machine with any decelerating clutch of washing machine of claim 1-13.