CN208183347U - Roller washing machine - Google Patents

Abstract

The utility model provides a kind of roller washing machine, comprising: the support of bearing, back casing and driving motor are pivotally provided with roller sleeve inside the support of bearing, are pivotally provided with impeller shafts inside roller sleeve；Back casing opening is onwards fixedly connected on the rear end face of the support of bearing, is formed as accommodating cavity inside the two；Driving motor is arranged in the accommodating cavity, and driving motor includes stator and rotor, and rotor openings are backward fixedly connected on the rear end of roller sleeve, and rotor is sequentially connected by planetary gear train and impeller shafts, and stator is fixedly connected on the inside bottom of back casing.Rotor openings are backward fixedly connected on roller sleeve rear end by roller washing machine provided by the utility model, shorten rotor installation span, overall stiffness is improved, and design change amount is small, and development cost is greatly saved, entire drive system does not have external revolving part, improves the safety of product.

Description

Roller washing machine

Technical field

The utility model relates to fields of home appliance technology, in particular to a kind of roller washing machine.

Background technique

Currently, directly driving roller washing machine generally uses outer rotor BLDC motor, stator is fixed on the fixed bracket of outer barrel, turns Sub-set is connected on drum shaft in stator exterior and directly drives washing machine drum circumference reciprocating operation.This mode of washing ratio It is more single, have wash time long, detersive efficiency is low, cleans the disadvantages of relatively low.

In order to improve cleaning capacity, current some products, which are used, is arranged stirring body in cylinder bottom, makes roller in washing Opposite operating at different rates, increases the frictional force between clothing, to improve clean ratio between stirring body.Such as Haier Application No. is 201480002635.3 patents to disclose a kind of double-power cylinder washer, this washing machine uses outer rotor BLDC motor driven, rotor is directly fixedly connected with stirring body by input shaft, synchronized to operate；The sun being connected on input shaft Power at constant speed ratio is transmitted on drum shaft by wheel by two-stage planetary gear, realizes impeller and roller differential operating in the same direction.

It is this using planetary gear compressed as the double output structure of input terminal axial dimension and realize installation function, need by Front and back bearings bracket fission design, it may appear that loosened at braked wheel and oil sealing cap riveting, roller shaking volume is greatly to generate vibration The problems such as noise.In addition, tradition list output roller laundry machine rotor is fixed on drum shaft, rigidity is preferable；And it is existing double acting The problems such as rotor is generally fixed on input shaft by power roller washing machine, and input shaft is elongated shaft, will cause rigidity deficiency.Again Person, this design scheme revolutionize the assembly method and connection relationship of conventional drum washing machine drive system, set to complete machine The problems such as meter change is very big, and has part more, assembly difficulty, axial space utilization rate is not high.

Therefore, can we think deeply the rotor that still use in dual output roller washing machine as conventional drum washing machine The mounting means being directly connected on drum shaft, then can be improved support stiffness and coupling stiffness, improve the stabilization of whole system Property, to change the deficiency of above structure.Due to requiring drum speed lower than impeller, ring gear is considered as defeated Enter end and low speed output end, be directly connected rotor；Sun gear is as high-speed output end, and be connected impeller.But since present roller is used Direct driving motor generally uses outer-rotor structure, and stator is located at internal rotor, and on the one hand gear-box will be mounted on stator interior, another Aspect avoids stator again and outer rotor is connected, and traditional external rotor electric machine mounting means is difficult to realize this point.

Utility model content

The utility model aims to solve the problem that at least one above-mentioned technical problem.

For this purpose, the purpose of the utility model is to provide a kind of roller washing machines.

To achieve the goals above, the technical solution of the utility model provides a kind of roller washing machine, comprising: bearing branch Frame is pivotally provided with roller sleeve inside the support of bearing, is pivotally provided with impeller inside the roller sleeve Axis；Back casing, the back casing opening are onwards fixedly connected on the rear end face of the support of bearing, are formed as inside the two Accommodate cavity；And driving motor, it is set in the accommodating cavity, the driving motor includes stator and rotor, and the rotor is opened Mouth is backward fixedly connected on the rear end of the roller sleeve, and the rotor is connected by planetary gear train and impeller shafts transmission It connects, the stator is fixedly connected on the inside bottom of the back casing.

Rotor openings are backward fixedly connected on roller by the roller washing machine that the utility model above-mentioned technical proposal provides Axle sleeve rear end, stator is fixedly connected on back casing, and rotor is rotatablely connected by planetary gear train and impeller shafts, so as to Roller sleeve and impeller shafts grade ratio differential operating, this rotor and stator design mode are realized by planetary gear train, it can be ensured that The normal assembly of driving motor and other component such as planetary gear train etc., so that the installation of each component will not generate constructive interference；And And rotor openings are backward fixedly connected on to the rear end of roller sleeve, so that rotor is directly connected with roller sleeve, shorten Rotor installs span, improves overall stiffness, and do not change assembly method and the company of conventional drum washing machine rotor and drum shaft Relationship is connect, and is only that with the difference of conventional drum washing machine rotor assembly and reversely installs rotor, design change amount is small；And The mounting means and assemble sequence and conventional drum washing machine of the support of bearing and roller sleeve are completely the same, and difference is only that and will roll Cylinder axle sleeve is changed to hollow structure and the appropriate structure design for changing the support of bearing, and design change amount is small, and exploitation is greatly saved Cost；This driving motor mounting means is respectively positioned on rotor and stator inside back casing, and entire drive system is without outside Revolving part improves the safety of product.

In addition, the roller washing machine provided in the utility model above-mentioned technical proposal can also have following supplementary technology special Sign:

In the above-mentioned technical solutions, it is preferable that the driving motor is outer rotor BLDC (Brushless Direct Current Motor) motor, the stator is fixedly connected on the inside bottom of the back casing and is placed coaxially on described The inside of rotor.

The directly connected roller sleeve of outer rotor, support stiffness improves, with traditional DD (direct driver) motor outer rotor The difference of assembly, which is only that, reversely installs rotor, designs change amount very little, development cost is greatly saved；In addition, this electricity Machine mounting means makes outer rotor be located at fixed enclosure interior, and entire drive system does not have external revolving part, improves product peace Quan Xing.

In the above-mentioned technical solutions, it is preferable that the driving motor is internal rotor BLDC motor, and the stator is fixedly connected The back casing inside bottom and be placed coaxially on the outside of the rotor.

Driving motor uses inner rotor motor, and stator openings are backward fixedly connected on roller sleeve, and stator is fixed to be connected It connects the inside bottom in back casing and is placed coaxially on the outside of rotor, entire drive system does not have external revolving part, improves Product Safety.

In the above-mentioned technical solutions, it is preferable that the roller sleeve is pivotally pacified by first bearing and second bearing Inside the support of bearing, the impeller shafts are pivotally set to the roller sleeve by the first bushing and the second bushing In.

First bearing and second bearing are directly installed respectively in the front and back end of the support of bearing, i.e., before the support of bearing functions simultaneously as Rear bearing block namely front and back bearings seat integrated design, improve support stiffness.

In any of the above-described technical solution, it is preferable that the planetary gear train includes: to be fixedly connected too with the impeller shafts Sun wheel, the ring gear on the outside of the sun gear and being coaxially fixed on the rotor and be set to the sun gear and One or more groups of planetary gears between the ring gear.

Sun gear is fixedly connected with impeller shafts, and ring gear is fixedly connected with the rotor, and is engaged and is passed between sun gear and ring gear It is equipped with one or more groups of planetary gears dynamicly, ring gear is as input terminal and the directly connected rotor of low speed output end, sun gear conduct The directly connected impeller shafts of high-speed output end, to realize that ring gear and sun gear drive impeller shafts and roller sleeve differential to transport respectively Turn or operates at the same speed.

In the above-mentioned technical solutions, it is preferable that the roller washing machine further include: planet carrier；With planet carrier cover board, institute State planet carrier and the planet carrier cover board be fixedly connected as planet carrier component, the planet carrier component pivotally empty set described On impeller shafts；Wherein, the planet carrier cover board is cup-like structure, and the planetary gear train is placed on the inside of the planet carrier cover board, The planet is placed on inside the cup-like structure, and planet is equipped between the planet carrier cover board inside bottom and the planet carrier Wheel shaft, for the planetary gear empty set on the planet wheel spindle, the ring gear is set to the planet carrier outer ring and the planet carrier Between cover board inner wall.

In the above-mentioned technical solutions, it is preferable that the roller washing machine further include: clutch sliding sleeve, the clutch sliding sleeve Both ends of the surface to the rotor side be equipped with first dehydration clutch tooth, backwards to the rotor side be equipped with first washing clutch tooth, Be fixed with the second dehydration clutch tooth on the ring gear, be fixed on the back casing or on the stator the second washing from Close tooth；Planet carrier cover board outer ring is fixed with the first spline part, is fixed with the second spline on the clutch sliding sleeve inner hole Portion, the clutch sliding sleeve are axially slidably covered on the outside of first spline part by second spline part.

By planet carrier deck design at cup-like structure, planet carrier cover board inside is for installing planetary gear train, planet carrier cover board Outer ring is fixed with the first spline part, and clutch sliding sleeve covers on the outside of the first spline part, so that clutch sliding sleeve and planetary gear train is embedding Shell type is arranged in parallel in drive system, has greatly reduced axial space, provides possibility for roller washing machine dilatation；Clutch Sliding sleeve can be controlled as being dehydrated the sliding of one of clutch tooth and the second washing clutch tooth towards second, specifically, work as clutch When the first washing clutch tooth and connected with stator second on sliding sleeve wash clutch tooth engagement, clutch sliding sleeve makes planet carrier component With stator be connected, planet carrier component is braked, at this time planetary gear can only rotation and cannot revolve around sun gear, rotor drive internal tooth Circle rotation, ring gear drives planetary gear rotation when rotated, so that sun gear is driven to rotate, sun gear and ring gear grade ratio differential Operating realizes dual output to realize that sun gear and ring gear drive roller sleeve and impeller shafts differential to operate respectively；Work as clutch On sliding sleeve first dehydration clutch tooth and be fixedly connected with ring gear second dehydration clutch tooth engagement when, clutch sliding sleeve makes planet Frame component and ring gear are connected, and rotor drives ring gear rotation, and planet carrier component follows ring gear to rotate together, at this time entire row Star wheel series operate at the same speed, to realize that impeller shafts and roller sleeve operate at the same speed.

In the above-mentioned technical solutions, it is preferable that the clutch sliding sleeve includes non-magnetic toothed member and is set to described non-magnetic Flux sleeve on the outside of toothed member, the roller washing machine further include electromagnetic coil assembly and brake spring, the electromagnetic coil group Part is fixed on the back casing, and the clutch slides over the electromagnetic force of the electromagnetic coil assembly and the bullet of the brake spring It is switchably slided between dehydration station and washing station under power effect.

Using electromagnetic coil assembly and brake spring collective effect realize clutch slide over dehydration station and washing station it Between switchably slide, thus by one of clutch sliding sleeve and stator, rotor engage, realize clutch function, structure is simple, Amount of parts is few, is easily installed.

In the above-mentioned technical solutions, it is preferable that the clutch sliding sleeve is equipped with to the first washing clutch tooth side opening Spring mountings, the brake spring is arranged between the spring mountings and the back casing；Or the clutch sliding sleeve The spring mountings to the first dehydration clutch tooth side opening are equipped with, the brake spring is arranged in the spring mountings Between the rotor.

Scheme between spring mountings and back casing is arranged in for brake spring, when electromagnetic coil assembly is powered So that clutch sliding sleeve is slid into dehydration station, so that clutch sliding sleeve is slid into the washing station in electromagnetic coil assembly power-off, this Kind electromagnetic coil assembly energization, the cold scheme of electromagnetic coil assembly under dehydration mode under washing mode, are dehydrated power down Clutch tooth is static because of the first washing on clutch sliding sleeve by Shi Buhui, on rotor second washing clutch tooth operating due to cause washing from Tooth damage is closed, the reliability of clutch is improved；Scheme between spring mountings and rotor is arranged in for brake spring, To make clutch sliding sleeve slide into washing station when electromagnetic coil assembly is powered, make clutch sliding sleeve in electromagnetic coil assembly power-off Slide into dehydration station, electromagnetic coil assembly no power under this energization of the electromagnetic coil assembly under dewatering state, washing state Scheme, since general wash time is longer than dewatering time, this clutch does not need driving force in washing, has There is the advantages of power saving, energy consumption can be reduced, improved efficiency.

In the above-mentioned technical solutions, it is preferable that the electromagnetic coil assembly is set in outside the clutch sliding sleeve, is simultaneously coaxial Ground is arranged in the stator interior, makes the stator, the electromagnetic coil assembly, the clutch sliding sleeve and the planetary gear train edge Radial successively nested setting from outside to inside.

Electromagnetic coil assembly is set in outside clutch sliding sleeve and is fixedly connected on stator interior, is greatly improved axial ruler Very little utilization rate, to originally provide possibility for washing machine dilatation and drop；The scheme of external rotor electric machine is used for driving motor, The radially successively nested setting from outside to inside of rotor, stator, electromagnetic coil assembly, clutch sliding sleeve and planetary gear train, total It is arranged in parallel, substantially increases the utilization rate of axial dimension.

The additional aspect and advantage of the utility model will become obviously in following description section, or practical new by this The practice of type is recognized.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

Fig. 1 is the partial structural diagram of roller washing machine described in the utility model one embodiment；

Fig. 2 is the schematic cross-sectional view of roller washing machine described in the utility model one embodiment；

Fig. 3 is the exploded structural schematic diagram of roller washing machine described in the utility model one embodiment；

Fig. 4 is the structural schematic diagram of clutch sliding sleeve in Fig. 3.

Wherein, the appended drawing reference in Fig. 1 to Fig. 4 and the corresponding relationship between component names are as follows:

1 outer barrel, 2 rollers, 3 impellers, 4 supports of bearing, 5 roller sleeves, 6 impeller shafts, 7 back casings, 8 stators, 9 rotors, 10 Clutch sliding sleeve, 1001 non-magnetic toothed members, 1002 flux sleeves, 1,003 second spline parts, 1,004 first dehydration clutch tooths, 1,005 the One washing clutch tooth, 1006 spring mountings, 11 sun gears, 12 planetary gears, 13 ring gears, 14 planet carriers, 15 planet carrier cover boards, 151 first spline parts, 16 planet wheel spindles, 17 second washing clutch tooths, 18 second dehydration clutch tooths, 19 brake springs, 20 electromagnetism Coil block, 21 first bearings, 22 second bearings, 23 first bushings, 24 second bushings, 25 third bushings, 26 the 4th bushings, 27 5th bushing.

Specific embodiment

In order to be more clearly understood that the above objects, features, and advantages of the utility model, with reference to the accompanying drawing and have The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen The feature in embodiment and embodiment please can be combined with each other.

Many details are explained in the following description in order to fully understand the utility model, still, this is practical Novel to be implemented using other than the one described here other modes, therefore, the protection scope of the utility model is simultaneously It is not limited by the specific embodiments disclosed below.

The roller washing machine according to the utility model some embodiments is described referring to Fig. 1 to Fig. 4.

As shown in Figures 1 to 4, a kind of roller washing machine that some embodiments according to the present utility model provide, comprising: axis Hold bracket 4, back casing 7 and driving motor.

Specifically, as shown in Figure 1, Figure 2 and Figure 3, the support of bearing 4 is fixedly connected with outer barrel 1, can be returned inside the support of bearing 4 It is provided with roller sleeve 5 with turning, is pivotally provided with impeller shafts 6 inside roller sleeve 5；The opening of back casing 7 is onwards fixed It is connected on the rear end face of the support of bearing 4, is formed as accommodating cavity inside the two；Driving motor is arranged in the accommodating cavity, driving Motor includes stator 8 and rotor 9, and rotor 9, which is open, is backward fixedly connected on the rear end of roller sleeve 5, and rotor 9 passes through planetary gear System is sequentially connected with impeller shafts 6, and stator 8 is fixedly connected on the inside bottom of back casing 7.

The opening of rotor 9 is backward fixedly connected on roller by the utility model roller washing machine provided by the above embodiment 5 rear end of axle sleeve, stator 8 is fixedly connected on back casing 7, and rotor 9 is rotatablely connected by planetary gear train and impeller shafts 6, from And can realize that roller sleeve 5 and 6 grade ratio differential of impeller shafts are operated by planetary gear train, 8 side of design of this rotor 9 and stator Formula, it can be ensured that the normal assembly of driving motor and other component such as planetary gear train etc., so that the installation of each component will not generate Constructive interference；And rotor 9 is open and is backward fixedly connected on the rear end of roller sleeve 5, so that rotor 9 is directly and drum shaft Set 5 is connected, and shortens rotor 9 and installs span, improves overall stiffness, and do not change conventional drum washing machine rotor 9 and roller The assembly method and connection relationship of axis, and the difference assembled with conventional drum washing machine rotor 9 is only that and reversely pacifies rotor 9 Dress, design change amount are small；And the mounting means and assemble sequence and conventional drum washing machine of the support of bearing 4 and roller sleeve 5 Completely the same, difference, which is only that, is changed to hollow structure and the appropriate structure design for changing the support of bearing 4 for roller sleeve 5, if It is small to count change amount, development cost is greatly saved；This driving motor mounting means makes rotor 9 and stator 8 be respectively positioned on rear shell Inside body 7, entire drive system does not have external revolving part, improves the safety of product.

Specifically, as shown in Figure 1, the support of bearing 4 is fixedly connected with the outer barrel 1 of roller washing machine, lead to inside the support of bearing 4 It crosses first bearing 21 and second bearing 22 is pivotally provided with roller sleeve 5, roller sleeve 5 is fixedly connected with roller 2, roller Axle sleeve 5 is hollow structure, passes through the first bushing 23 inside roller sleeve 5 and the second bushing 24 is pivotally provided with impeller shafts 6, Impeller shafts 6 are fixedly connected with impeller 3；The opening of back casing 7 is onwards fixedly connected on the rear end face of the support of bearing 4, in the two Portion is formed as accommodating cavity, for accommodating other component.The support of bearing 4, first bearing 21, second bearing 22 and roller sleeve 5 Mounting means and assemble sequence and traditional roller washing machine it is completely the same, difference is only that roller sleeve 5 is changed to hollow knot Structure, and the appropriate structure design for changing the support of bearing 4, design change amount is small, and development cost is greatly saved.

Further, as shown in Figure 1, Figure 2 and Figure 3, driving motor is outer rotor BLDC motor, including stator 8 and rotor 9, the opening of rotor 9 is backward fixedly connected on 5 rear end of roller sleeve, and is axially positioned on the inner ring end of the second bearing 22 Face；Stator 8 is fixedly connected on the inside bottom of back casing 7, and is placed coaxially on the inside of rotor 9；Entire driving motor is set It sets in back casing 7 and the accommodating cavity of the formation of the support of bearing 4.The directly connected roller sleeve 5 of outer rotor, support stiffness improve, Difference with the assembly of traditional DD motor outer rotor, which is only that, reversely installs rotor, designs change amount very little；In addition, this motor Mounting means is located at outer rotor inside back casing 7, and entire drive system does not have external revolving part, improves product safety Property.

Optionally, driving motor can also be internal rotor BLDC motor, including stator 8 and rotor 9, and rotor 9 is open backward It is fixedly connected on 5 rear end of roller sleeve；Stator 8 is fixedly connected on the bottom of back casing 7 and is placed coaxially on the outer of rotor 9 Portion；Entire motor is arranged in the accommodating cavity that back casing 7 and the support of bearing 4 are formed.

Further, as shown in figures 1 and 3, planetary gear train includes: the sun gear 11 being fixedly connected with impeller shafts 6, is located at The outside of sun gear 11 and the ring gear 13 being coaxially fixed on rotor 9 and between sun gear 11 and ring gear 13 One or more groups of planetary gears 12.

Further, as shown in figures 1 and 3, roller washing machine further include: planet carrier 14 and planet carrier cover board 15, planet Frame 14 and planet carrier cover board 15 are fixedly connected as planet carrier component, planet carrier component pivotally empty set on impeller shafts 6；Its In, planet carrier cover board 15 is cup-like structure, and planetary gear train is placed in 15 inside of planet carrier cover board, and planet carrier 14 is placed in cup-like structure Inside is equipped with planet wheel spindle 16 between 15 inside bottom of planet carrier cover board and planet carrier 14,12 empty set of planetary gear is in planet wheel spindle On 16, ring gear 13 is set between 15 inner wall of 14 outer ring of planet carrier and planet carrier cover board.

Specifically, as shown in figures 1 and 3, impeller shafts 6 are pivotally arranged in roller sleeve 5 by bushing, and fixed It is connected with sun gear 11, optionally, impeller shafts 6 and sun gear 11 can be integrally machined as gear shaft.Planet carrier 14 and planet carrier lid Plate 15 is fixedly connected as planet carrier component, and pivotally by the bushing (third bushing 25 and the 4th bushing 26) of both-end press fitting Empty set is on impeller shafts 6；Circumferentially arranged between planet carrier component to have several planet wheel spindles 16,12 empty set of planetary gear is in planet On wheel shaft 16, inwardly with the engaged transmission of sun gear 11；Planet carrier cover board 15 is cup-like structure, and planet carrier 14 is located in cup-like structure Portion, ring gear 13 is arranged between 15 inner wall of 14 outer ring of planet carrier and planet carrier cover board, and internally engages biography with planetary gear 12 It is dynamic.The both-end bushing support construction of planet carrier component improves the coupling stiffness of entire planetary gear train, avoids unilateral support institute Caused by rigidity it is insufficient, can reduce washing noise, improve the stability of complete machine；Play gear in 15 cup-shaped outer ring of planet carrier cover board The effect of box outer wall collectively forms labyrinth structure with ring gear 13, on the one hand prevents the grease in planetary gear train in operation process It is middle to splash, it on the other hand can reduce the quantity of components.

Further, shown in as shown in Figure 1, Figure 3 and Figure 4, roller washing machine further include: clutch sliding sleeve 10, clutch sliding sleeve 10 Both ends of the surface are equipped with the first dehydration clutch tooth 1004 to rotor side, are equipped with the first washing clutch tooth 1005 backwards to rotor side, interior It is fixed with the second dehydration clutch tooth 18 on gear ring 13, is fixed with the second washing clutch tooth 17 on back casing or on stator；Row 15 outer ring of carrier cover board is fixed with the first spline part 151, and the second spline part 1003 is fixed on 10 inner hole of clutch sliding sleeve, from Sliding sleeve 10 is closed axially slidably to cover by the second spline part 1003 in 151 outside of the first spline part.

Further, as shown in figure 4, clutch sliding sleeve 10 is including non-magnetic toothed member 1001 and is set to non-magnetic toothed member The flux sleeve 1002 in 1001 outsides, roller washing machine further includes electromagnetic coil assembly 20 and brake spring 19, electromagnetic coil assembly 20 are fixed on back casing, clutch sliding sleeve 10 electromagnetic coil assembly 20 electromagnetic force and brake spring 19 elastic force effect under It is switchably slided between dehydration station and washing station.

Realize clutch sliding sleeve 10 in dehydration station and washing using electromagnetic coil assembly 20 and 19 collective effect of brake spring It is switchably slided between station, to engage by one of clutch sliding sleeve 10 and stator 8, rotor 9, realizes clutch function Can, structure is simple, and amount of parts is few, is easily installed.

Shown as shown in Figure 1, Figure 3 and Figure 4 in one specific embodiment, clutch sliding sleeve 10 includes non-magnetic 1001 He of toothed member Flux sleeve 1002, flux sleeve 1002 be arranged in the outer ring of non-magnetic toothed member 1001 and by diametric fit it is integrally formed；It is non-to lead Magnetic toothed member 1001 is equipped with the first dehydration clutch tooth 1004 in face of 9 side of rotor, is equipped with the first washing clutch backwards to 9 side of rotor Tooth 1005；The second washing clutch tooth 17 is coaxially fixed on stator 8, after the preferably second washing clutch tooth 17 is fixed at 7 inside bottom of shell, 9 inside bottom of rotor are coaxially fixed with the second dehydration clutch tooth 18, the preferably second dehydration clutch Tooth 18 is fixed on ring gear 13, and electromagnetic coil assembly 20 is set in 10 outside of clutch sliding sleeve and is fixedly connected with stator 7, electricity Magnetic coil assemblies 20 are arranged inside stator 8.

Preferably, as shown in figures 1 and 3, clutch sliding sleeve 10 is equipped with the spring to the first washing 17 side opening of clutch tooth Mounting portion 1006, brake spring 19 are arranged between spring mountings 1006 and back casing 7.

When washing machine off working state, clutch sliding sleeve 10 is located at dehydration station, and the first dehydration clutch tooth 1004 and second take off Water clutch tooth 18 is in meshing state；Electromagnetic coil assembly 20 is powered when washing, and flux sleeve 1002 drives under electromagnetic force Clutch sliding sleeve 10 is moved to 8 direction of stator, compresses brake spring 19, the first washing clutch tooth 1005 and the second washing clutch tooth 17 Into engagement, planet carrier component is braked, and planetary gear train conjugates fixed shaft gear train, it can be achieved that sun gear 11 drives impeller shafts 6, internal tooth 13 drive roller sleeves 5 of circle such as carry out at the speed ratios output；20 power loss of electromagnetic coil assembly when dehydration, clutch sliding sleeve 10 is in brake spring It is resetted under the action of 19, washing clutch tooth is disengaged, and the first dehydration clutch tooth 1004 and the second dehydration clutch tooth 1301 enter Engagement, planet carrier component is fixedly connected with ring gear 13 and is connected directly with rotor 9 at this time, and entire planetary gear train drives impeller shafts 6 and roller sleeve 5 at the same speed operate.

Optionally, clutch sliding sleeve 10 is equipped with the spring mountings 1006 to the first dehydration 18 side opening of clutch tooth, clutch Spring 19 is arranged between spring mountings 1006 and rotor 9.

Scheme between spring mountings 1006 and rotor 9 is arranged in for brake spring 19, in electromagnetic coil assembly 20 slide into clutch sliding sleeve 10 when being powered washing station, when electromagnetic coil assembly 20 powers off, to slide into clutch sliding sleeve 10 de- Water conservancy project position, this electromagnetic coil assembly 20 under dewatering state is powered, the cold side of electromagnetic coil assembly 20 under washing state Case, since general wash time is longer than dewatering time, this clutch does not need driving force in washing, has and save The advantage of electricity, can reduce energy consumption, improve efficiency.

Optionally, ring gear 13 and the second dehydration clutch tooth 18 can integrated injection molding connect on rotor 9, or by the way that assembly is fixed It connects；Second washing clutch tooth 17 can integrated injection molding on stator 8 or back casing 7, can also by assembly be fixedly connected.

Preferably, above-mentioned all clutch tooths being projected as in the axial direction is step-like.Step-like tooth engagement is easy, and tooth is complete It is high small, clutch reliability and compression axial height can be effectively controlled.

It is the scheme of external rotor electric machine, rotor 9, the stator 8, electromagnetic clutch of the drive system after assembling for driving motor 20, radially successively nested setting, total are connected in parallel on back casing 7 and are formed from outside to inside for clutch sliding sleeve 10 and planetary gear train Cavity in, substantially increase the utilization rate of axial dimension.

Further, planet carrier component is pivotally arranged in the inner hole of back casing 7 by bushing (the 5th bushing 27).

Preferably, above-mentioned all bushings select oil containing bearing material.

In conclusion roller washing machine provided by the utility model, rotor are directly connected to roller sleeve, rotor is shortened Span is installed, overall stiffness is improved；Amount of parts is few, and assembly technology is simple, slows down and clutch is arranged in parallel in stator Inside substantially increases axial dimension utilization rate, originally provides possibility for washing machine dilatation and drop；Electromagnetism under off working state Coil no power not will cause clutch tooth damage, improve the reliability of clutch when being dehydrated power down；Motor outer rotor is located at Fixed enclosure interior, entire drive system do not have external revolving part, improve Product Safety；Traditional DD roller washing machine is come It says, only the support of bearing and roller sleeve structure is changed, substantially reduce design change amount and cost.

In the description of the utility model, it is to be understood that the orientation or positional relationship of the instructions such as term " on ", "lower" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or unit must have specific direction, be constructed and operated in a specific orientation, it is thus impossible to understand For limitations of the present invention.

In the description of the present invention, unless otherwise clearly defined and limited, term " connected ", " connection ", " Gu It is fixed " etc. shall be understood in a broad sense, for example, " connection " may be a fixed connection, may be a detachable connection, or integrally connect It connects, or electrical connection；It can be directly connected, it can also be indirectly connected through an intermediary.For the ordinary skill people of this field For member, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least the one of the utility model In a embodiment or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment Or example.Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more embodiment or examples In can be combined in any suitable manner.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of roller washing machine characterized by comprising

The support of bearing, is pivotally provided with roller sleeve inside the support of bearing, inside the roller sleeve pivotally It is provided with impeller shafts；

Back casing, the back casing opening are onwards fixedly connected on the rear end face of the support of bearing, are formed inside the two To accommodate cavity；With

Driving motor is set in the accommodating cavity, and the driving motor includes stator and rotor, and the rotor openings are backward It is fixedly connected on the rear end of the roller sleeve, the rotor is sequentially connected by planetary gear train and the impeller shafts, described fixed Son is fixedly connected on the inside bottom of the back casing.

2. roller washing machine according to claim 1, which is characterized in that

The driving motor is outer rotor BLDC motor, and the stator is fixedly connected on the inside bottom of the back casing and same The inside of the rotor is set to axis.

3. roller washing machine according to claim 1, which is characterized in that

The driving motor is internal rotor BLDC motor, and the stator is fixedly connected on the inside bottom of the back casing and same The outside of the rotor is set to axis.

4. roller washing machine according to claim 1, which is characterized in that

The roller sleeve is pivotally installed on inside the support of bearing by first bearing and second bearing, the impeller Axis is pivotally set in the roller sleeve by the first bushing and the second bushing.

5. roller washing machine according to any one of claim 1 to 4, which is characterized in that

The planetary gear train includes: the sun gear being fixedly connected with the impeller shafts, is located on the outside of the sun gear and coaxially The ring gear being fixed on the rotor and one or more groups of planets between the sun gear and the ring gear Wheel.

6. roller washing machine according to claim 5, which is characterized in that further include:

Planet carrier；With

Planet carrier cover board, the planet carrier and the planet carrier cover board are fixedly connected as planet carrier component, the planet carrier component Pivotally empty set is on the impeller shafts；

Wherein, the planet carrier cover board is cup-like structure, and the planetary gear train is placed on the inside of the planet carrier cover board, the row Carrier is placed in inside the cup-like structure, and planet wheel spindle is equipped between the planet carrier cover board inside bottom and the planet carrier, On the planet wheel spindle, the ring gear is set in the planet carrier outer ring and the planet carrier cover board planetary gear empty set Between wall.

7. roller washing machine according to claim 6, which is characterized in that further include:

Clutch sliding sleeve, the both ends of the surface of the clutch sliding sleeve are equipped with the first dehydration clutch tooth to the rotor side, turn backwards to described Sub- side is equipped with the first washing clutch tooth, is fixed with the second dehydration clutch tooth on the ring gear, on the back casing or institute It states and is fixed with the second washing clutch tooth on stator；

Planet carrier cover board outer ring is fixed with the first spline part, is fixed with the second spline on the clutch sliding sleeve inner hole Portion, the clutch sliding sleeve are axially slidably covered on the outside of first spline part by second spline part.

8. roller washing machine according to claim 7, which is characterized in that

The clutch sliding sleeve includes that non-magnetic toothed member and the flux sleeve on the outside of the non-magnetic toothed member, the roller are washed Clothing machine further includes electromagnetic coil assembly and brake spring, and the electromagnetic coil assembly is fixed on the back casing, the clutch It slides under the electromagnetic force of the electromagnetic coil assembly and the elastic force effect of the brake spring in dehydration station and washing station Between switchably slide.

9. roller washing machine according to claim 8, which is characterized in that

The clutch sliding sleeve is equipped with the spring mountings to the first washing clutch tooth side opening, the brake spring setting Between the spring mountings and the back casing；Or

The clutch sliding sleeve is equipped with the spring mountings to the first dehydration clutch tooth side opening, the brake spring setting Between the spring mountings and the rotor.

10. roller washing machine according to claim 8, which is characterized in that

The electromagnetic coil assembly is fixedly connected on the back casing and is placed coaxially on the stator interior, makes described The radially successively nested setting from outside to inside of stator, the electromagnetic coil assembly, the clutch sliding sleeve and the planetary gear train.