CN202519478U

CN202519478U - Double-drive system of washing machine

Info

Publication number: CN202519478U
Application number: CN2012201210022U
Authority: CN
Inventors: 张咏玉; 林谦元
Original assignee: Changzhou Sinya Electromotor Co Ltd
Current assignee: Changzhou Sinya Electromotor Co Ltd
Priority date: 2012-03-27
Filing date: 2012-03-27
Publication date: 2012-11-07
Anticipated expiration: 2022-03-27

Abstract

The utility model relates to a double-drive system of a washing machine. The double-drive system comprises a motor, a shell, an engaging and disengaging mechanism, a drive shaft and a drive shaft sleeve, wherein a double-drive gear transmission mechanism is arranged between the drive shaft and the drive shaft sleeve; the motor is an outer rotor motor; the shell comprises a lower shell and an upper shell which are fixedly connected with each other; the lower shell is used as a stator retaining frame of an inner stator; the stator retaining frame is fixedly connected with the inner stator; the engaging and disengaging mechanism is positioned in an internal space formed by fixedly connecting the lower shell and the upper shell and comprises an electromagnetic coil mechanism, an engaging and disengaging gear ring, an engaging component, an upper matching component and a lower matching component; a mounting plate is used as the upper matching component; the drive shaft which is positioned above the stator retaining frame is fixedly connected with an engaging and disengaging fluted disc; the engaging and disengaging fluted disc is used as the lower matching component; and thus, the engaging and disengaging gear ring moves up and down along the engaging component and is selectively matched with one of the mounting plate and the engaging and disengaging fluted disc. The double-drive system has the advantages of good engaging and disengaging performance, low manufacturing cost, low noise, convenience in mounting and high suitability for promotion and application in production.

Description

A kind of dual drive system of washing machine

Technical field

The utility model relates to a kind of dual drive system of washing machine, is fit to be applied in tumbling-box washing machine, impeller-type clothing machine and the agitator type washing machine.

Background technology

The drive system of the washing machine of prior art mainly comprises motor, housing, clutch, driving shaft, propeller shaft sleeve; Wherein, Driving shaft is arranged in the propeller shaft sleeve rotationally; Its lower end is connected with motor, and the upper end is connected with agitation wheel for washing machine or agitator, and propeller shaft sleeve is fixedly connected with washing machine inner tub.Clutch is connected with motor, and whether the outputting power that is used to control motor is delivered to propeller shaft sleeve.Also can comprise gear drive, gear drive is arranged between driving shaft and the propeller shaft sleeve and forms dual drive system, is applied in two driving washing machines; Be arranged between driving shaft input and the driving shaft output like gear drive, form single deceleration system that drives, be applied to single the driving in the deceleration washing machine.If gear drive is not set, then form single straight drive system that drives, be applied to single the driving and directly drive in the washing machine.

There is multinomial correlation technique open at present about the washing machine drive system; With the immediate prior art of the utility model be that Granted publication number is CN1223722C; Name is called the described technology contents of background technology in the Chinese invention patent of " washing machine clutch device ": clutch apparatus 131 comprises: a solenoid actuator 137 that is fixed to cartridge housing 130 bottoms, and solenoid actuator 137 produces electromagnetic forces; A connector 133 of combining around clothing frame axle 117, connector 133 moves up and down by the electromagnetic force of solenoid actuator 137, thereby be fixed to rotor 127 on indention 122 combinations or separate, to transmit or to block rotary power; A spring part 141 that is installed between connector 133 and the cartridge housing 130, spring part 141 provide elasticity for connector 133, so that connector 133 moves owing to electromagnetic force and returns initial position subsequently.This patent adopts the arrangement of clutch of electromagnetic clutch principle, has advantages such as volume is little, easy to operate, but owing to its clutch apparatus 131 is located between rotor and cartridge housing 130 bottoms; Integral body is positioned at motor interior; Because this drive system is arranged in the abominable washing machine of environment when user mode, and motor is the non-tight structure, the connector 133 in the electromagnetic clutch device is received the erosion of water and other impurity easily; Thereby the situation that is prone to cause clutch to be lost efficacy takes place; Because clutch apparatus 131 integral body are positioned at motor interior, motor itself causes the required pick-up voltage of electromagnetic clutch device too high because the stator coil winding of energising produces heat again; Because pick-up voltage is predefined, therefore be prone to cause clutch to lose efficacy; In addition; Since the described connector 133 of this patent when moving upward and cartridge housing 130 bump; Not only can produce obvious noise, and when the washing operating mode, because connector 133 is only fixed through frictional force each other with cartridge housing 130; Not only fixing unstable, and the connector 133 that is in contact with one another friction and cartridge housing 130 experience for a long time mutually wearing and tearing cause its service life short.Above Reference numeral is the original text citation of patent for this reason, has no relation with the described Reference numeral of the utility model content.

Summary of the invention

The technical problem that the utility model will solve provides a kind of dual drive system of washing machine, and the disengaging performance of this drive system is good, low cost of manufacture, noise are little, easy for installation, is highly suitable in the production and applies.

The technical scheme of the utility model is:

A kind of single-drive system of washing machine; Comprise motor, housing, clutch, driving shaft, propeller shaft sleeve, driving shaft is arranged in the propeller shaft sleeve rotationally, and the driving shaft input is connected with motor; The driving shaft output is connected with agitation wheel for washing machine or agitator; The propeller shaft sleeve output is fixedly connected with washing machine inner tub, and clutch is positioned at enclosure interior, wherein:

Described motor is an outer rotor motor, comprises outer rotor, is positioned at the inner inner stator of outer rotor, and outer rotor is fixedly connected with the driving shaft input;

Described housing comprises the lower house and the upper shell of fixed connection; Lower house is as the stator retainer of inner stator; The stator retainer is fixedly connected with inner stator; The stator retainer is connected with driving shaft through first connection bearing, and upper shell comprises installing plate and the bear box that is connected to one, and bear box is connected with propeller shaft sleeve through second connection bearing; Preferably, described first connection bearing can be 6004 single-groove grooved ball bearings, and described second connection bearing can be 6205 single-groove grooved ball bearings.Preferably; Bear box and installing plate can be the integral type fixed connection structures; It also can be split type fixed connection structure; Described lower house and installing plate are connected to one, and described fixed connection mode connects for the riveted punching press, and described riveted punching press connection is to accomplish through the punching press distortion in lower house and installing plate junction;

Described clutch is positioned at the inner space that lower house and upper shell are fixedly connected to form; Comprise solenoid mechanism, clutch gear ring, meshing part, last component, following component, solenoid mechanism is fixed on the inner surface of housing, and is positioned at the clutch gear ring outside; Clutch gear ring inboard is provided with the engagement internal tooth; The meshing part outside is provided with the engagement external tooth, and the clutch gear ring is socketed in the meshing part outside through engagement internal tooth and the engagement of meshing external tooth, and the clutch gear ring can move up and down along meshing part; Meshing part is positioned at the propeller shaft sleeve outside; And be fixedly connected with the input of propeller shaft sleeve, installing plate is as last component, and the driving shaft that is positioned at stator retainer top is fixedly connected with the clutch fluted disc; The clutch fluted disc is as following component, realizes that the clutch gear ring moves up and down and selects one along meshing part and cooperates with installing plate and clutch fluted disc.

Preferably, described driving shaft comprises the driving power shaft and drives output shaft that it is coaxial with the driving output shaft to drive power shaft, is the straight drive system of single action power, is applied to single the driving and directly drives in the washing machine.

Preferably; Described driving shaft comprises the driving power shaft and drives output shaft, drives power shaft and driving output shaft disalignment, drives power shaft and drive between the output shaft to be provided with the reduction gearing transmission mechanism; Be single action power deceleration system, be applied to single the driving in the deceleration washing machine.Preferably, described reduction gearing transmission mechanism comprises sun gear, at least 2 planetary gears, ring gear, planetary gear retainer, and ring gear is as meshing part; Clutch gear ring engagement is socketed in the ring gear outside, and the clutch gear ring can move up and down along ring gear, and sun gear is fixedly installed on and drives on the power shaft; Each planetary gear is fixedly installed on the planetary gear retainer through planet axis; The planet axis lower end also is provided with planetary gear retainer cover plate, sun gear and planetary gear engagement, planetary gear and ring gear engagement; The planetary gear retainer is fixedly connected with driving output shaft, and ring gear is fixedly connected with propeller shaft sleeve.Preferably, planetary quantity is 5-8.

A kind of dual drive system of washing machine; Wherein: comprise motor, housing, clutch, driving shaft, propeller shaft sleeve, driving shaft is arranged in the propeller shaft sleeve rotationally, and the driving shaft input is connected with motor; The driving shaft output is connected with agitation wheel for washing machine or agitator; The propeller shaft sleeve output is fixedly connected with washing machine inner tub, and clutch is positioned at enclosure interior, wherein:

Two driven wheel transmission mechanisms are set between driving shaft and propeller shaft sleeve, are dual drive system, be applied in two driving washing machines;

Described clutch is positioned at the inner space that lower house and upper shell are fixedly connected to form, and comprises solenoid mechanism, clutch gear ring, meshing part, goes up component, component down, and solenoid mechanism is fixed on the inner surface of housing; And be positioned at outside the clutch gear ring; Clutch gear ring inboard is provided with the engagement internal tooth, and the meshing part outside is provided with the engagement external tooth, and the clutch gear ring is socketed in the meshing part outside through engagement internal tooth and the engagement of meshing external tooth; And the clutch gear ring can move up and down along meshing part; One of parts of the two driven wheel transmission mechanisms of meshing part while conduct, installing plate are as last component, and the driving shaft that is positioned at stator retainer top is fixedly connected with the clutch fluted disc; The clutch fluted disc is as following component, realizes that the clutch gear ring moves up and down and selects one along meshing part and cooperates with installing plate and clutch fluted disc.

The described pair of driven wheel transmission mechanism comprises sun gear, at least 2 planetary gears, ring gear, planetary gear retainer; The planetary gear retainer is as meshing part, and the engagement of clutch gear ring is socketed in the planetary gear retainer outside, and the clutch gear ring follows the star-wheel retainer and can move up and down; Sun gear is fixedly installed on and drives on the input; Each planetary gear is fixedly installed on the planetary gear retainer through planet axis, and the planet axis upper end also is provided with planetary gear retainer cover plate, sun gear and planetary gear engagement; Planetary gear and ring gear engagement, ring gear is fixedly connected with propeller shaft sleeve.Preferably, planetary quantity is 5-8, and the planetary gear retainer is a drum; The cylinder inner bottom part can be provided with bracing frame; Be provided with metal rivet in the bracing frame, through metal rivet the planetary gear retainer be fixedly connected with planetary gear retainer cover plate, planet axis is fixed in the planet axis counterbore of planetary gear retainer bottom; Further preferably; In order to realize the locating effect of planetary gear retainer, the cylinder outer bottom and the retainer lining of planetary gear retainer are fixedly sleeved, and the retainer lining is fixedly connected with planetary gear retainer cover plate with the planetary gear retainer through metal rivet; Be provided with pad between retainer lining and the planetary gear retainer, to improve the intensity of planetary gear retainer.

Preferably, described driving shaft comprises the driving power shaft and drives output shaft that it is coaxial with the driving output shaft to drive power shaft, is two straight drive systems that drive, and is applied to two drivings and directly drives in the washing machine.

Preferably; Described driving shaft comprises the driving power shaft and drives output shaft that driving power shaft and driving output shaft disalignment also are provided with the reduction gearing transmission mechanism at driving power shaft and driving output shaft; Be two deceleration systems that drive, be applied to two the driving in the deceleration washing machine.

Certainly, described pair of driven wheel transmission mechanism of the utility model can also be multistage pair of driven wheel transmission mechanism, and described planetary gear construction can be spur gear, also can be the gear of other shapes in bevel gear or the prior art.The described reduction gearing transmission mechanism of the utility model can also be the multi-stage speed-reducing gear drive, and described planetary gear construction can be spur gear, also can be the gear of other shapes in bevel gear or the prior art.

Preferably, the described driving shaft of the utility model is arranged on rotationally and is meant in the propeller shaft sleeve that at least 1 oiliness bearing realizes through between driving shaft and propeller shaft sleeve, being provided with, and is preferably, and is provided with 2 oiliness bearings between driving shaft and the propeller shaft sleeve.

Preferably, described outer rotor comprises outer rotor case, back of the body yoke, and back of the body yoke is positioned on the outer rotor case inwall, fixed interval some permanent magnetic steels that distribute on the back of the body yoke.

Preferably; The structure of the described outer rotor case of the utility model can the REFERENCE TO RELATED people application number be " 201120462960.1 "; Name is called formerly applying for a patent of " a kind of External rotor electric machine rotor housing ", can certainly adopt disclosed structure in other prior aries.

Preferably, on the described back of the body yoke fixed interval distribute some permanent magnetic steels be meant the back of the body yoke on fixed interval be pasted with some permanent magnetic steels.

Preferably, the described outer rotor of the utility model and driving shaft input are fixedly connected and are meant that outer rotor case passes through spline housing and be connected with the driving shaft input, also can directly be fixedly connected through locking nut; Further preferably, spline housing is processed by kirsite, and lock with locking nut the spline housing bottom, can certainly adopt other material preparation to form.

Preferably, be provided with first bearing pad between the utility model described spline housing upper end and first connection bearing, effectively play weight-bearing function.

Preferably; Described inner stator comprises stator core, Insulating frame, the coil windings of the stator tooth that extend at some outside intervals; Form stator slot between the adjacent stators tooth; On each stator tooth, promptly Insulating frame covers the stator core outer surface to coil windings through the Insulating frame winding, and the coil windings winding is being coated with on the stator tooth of Insulating frame.

Preferably, the described stator core of the utility model is overrided to form by stator core stamping sheet, and stator core stamping sheet comprises some stator core stamping blade units, between the stator core stamping blade unit through being spliced.

Preferably; Described Insulating frame comprises end face insulation framework and some sides insulation tank; The end face insulation framework comprises upper end insulation framework and lower surface insulation framework, and upper end insulation framework and lower surface insulation framework cover the upper and lower end face of stator core respectively, and its size and shape is corresponding with the upper and lower end face of stator core; Described each side insulation groove embeds in each stator slot, and its size and shape is corresponding with stator slot.

Preferably, upper end insulation framework and lower surface insulation framework are through chase mortise structure secure fit, and motor is connected with frequency converter through Hall subassembly.Preferably, the junction of upper end insulation framework and lower surface insulation framework and side insulation groove can be fixed together through ultrasonic bonding or thermal welding; Further preferably, the described upper end of the utility model insulation framework, lower surface insulation framework are injection structure.

Particularly, the application number that described stator core of the utility model and insulated frame structure can the REFERENCE TO RELATED people is " 201020564284.4 ", and name is called formerly applying for a patent of " a kind of insulation stator iron core ".

Preferably; The described stator retainer of the utility model (being lower house) is an integrated punching spare; Its bottom is provided with the male and fomale(M&F) reinforcement of definite shape, and to improve the mechanical installation strength of stator retainer, the stator retainer is fixedly connected with inner stator through some self-clinching studs; And with nut self-clinching stud is locked, be equipped with screw hole on inner stator and the stator retainer with the self-clinching stud corresponding matching; Further preferably, each the self-clinching stud junction between inner stator and the stator retainer is provided with the rubber shock-absorbing circle, plays cushioning effect.More specifically preferably, the stator core medial surface is provided with the screw hole with each self-clinching stud corresponding matching, and the stator retainer is fixedly connected with stator core through some self-clinching studs.

Preferably, when installing plate and bear box were split type fixed connection structure, the described fixed connection structure of the utility model can be fixedly connected through mechanical stamping and obtain, and specifically can be the riveted punching press and connects.

Preferably, the described installing plate of the utility model is provided with connecting hole, and connecting hole is to be intersected by slotted hole and circular hole to form, and the slotted hole width is less than the diameter of circular hole; Further preferably, said connecting hole is provided with limiting section, and the limiting section of connecting hole is the downward depressed part that is arranged on the slotted hole place.

Preferably,, can on installing plate plate face, be provided with the male and fomale(M&F) reinforcement of definite shape, and the side is intervally distributed with lower hem around installing plate in order to strengthen the mechanical installation strength of the described installing plate of the utility model; Further preferably, strengthening parts such as described reinforcement, lower hem all form through integrated punching on installing plate, and the shape of strengthening parts such as reinforcement, lower hem can be set according to actual needs.

Preferably, in order to improve the mechanical installation strength of bear box, on bear box, be provided with the concavo-convex reinforcement of definite shape; Further preferably, concavo-convex reinforcement integrated punching on bear box forms, and the shape of concavo-convex reinforcement can be set according to actual needs.

Preferably; The described meshing part of the utility model is fixedly connected mode with the input of propeller shaft sleeve can be that teeth groove is fixedly connected mode; Also can be welding fixed connection mode, further preferably, be provided with the 3rd bearing pad at meshing part and propeller shaft sleeve junction.

Preferably, the described meshing part of the utility model can be the one working of plastics, also can be metalwork, can select the preparation material for use according to the actual strength needs; Meshing part can be cylindrical shape, and the cylinder medial surface can be provided with the ribs of booster action.

Preferably, the described clutch fluted disc of the utility model can also can be injection structure for casting zinc or cast aluminium structure; Further preferably; Described clutch fluted disc is an injection structure, effectively reduces manufacturing cost, can reduce the noise that the collision of clutch gear ring and clutch fluted disc is produced simultaneously again.

Preferably; The described solenoid of the utility model mechanism can be fixed on upper shell or installing plate or the bear box; Also can be fixed on the lower house, concrete fixed form can the actual installation structure need concrete the setting, described fixing can the connection for the riveted punching press.

Preferably, the propeller shaft sleeve that is positioned at second connection bearing top is provided with draw-in groove, is provided with the load-bearing jump ring in the draw-in groove, plays weight-bearing function.

Preferably, in order to satisfy the sealing property of the utility model, be provided with big water seal between bear box and the propeller shaft sleeve, big water seal is positioned at second connection bearing top, is provided with little water seal between the output end of propeller shaft sleeve and the driving shaft.

Preferably, terminal outer surface integral type or split type second bearing pad that is provided with of propeller shaft sleeve output in the use of the utility model, can effectively play weight-bearing function.

The washing machine drive system that the utility model provides can be provided with load-supporting parts such as bearing pad or load-bearing jump ring in concrete part according to actual installation load-bearing needs, therefore no longer gives unnecessary details one by one with regard to load-supporting part.

Preferably, described clutch gear ring upper end and bottom are provided with at least 2 respectively and go up gear shaping and at least 2 following gear shapings, and installing plate is provided with the last slot that can cooperate with last gear shaping, and the clutch fluted disc is provided with the following slot that can cooperate with following gear shaping.Preferably, the quantity of gear shaping and slot is 5-12.

Preferably; Last slot on the last gear shaping of the clutch gear ring of the utility model, following gear shaping, the installing plate; That the shape of the following slot on the clutch fluted disc can be is fan-shaped, circular arc, trapezoidal or rectangular channel; Also can be other shapes, be used to guarantee that the clutch gear ring cooperates with last meshing part or following the stable of meshing part.

Preferably; The described clutch gear ring of the utility model comprises clutch outer ring and clutch internal tooth spare; Concrete preparation method is: the clutch outer ring that utilizes magnetic conductive material to process adopts diel to be rolled into shape; Clutch outer ring after the shaping forms the shaping seam, and the shaping seam can adopt and be welded to connect, and also can adopt the chase mortise respective outer side edges; The moulding of direct casting zinc obtains clutch internal tooth spare in the clutch outer ring then; Clutch internal tooth spare is provided with groove with the upper end of clutch gear ring; Groove can be used for fixedly installing muffler part or back-moving spring; Groove can form after step is connected with clutch outer ring one through being provided with step in the outside, clutch internal tooth spare upper end.Clutch internal tooth spare can be equipped with the engagement internal tooth for the inboard, also can be engagement internal tooth spaced apart, and for saving manufacturing procedure and cycle and saving material usage, engagement internal tooth spaced apart is a preferred version.

Preferably, the last gear shaping of said clutch gear ring is arranged on the upper end of clutch outer ring, and the following gear shaping of said clutch gear ring is arranged on the bottom of clutch internal tooth spare, can certainly be arranged on the bottom of clutch outer ring.

Certainly, the described clutch of the utility model internal tooth spare also can adopt other non-magnetic parts, like aluminium, plastic or other material, considers the strength of materials and machine-shaping complexity, and the moulding of casting zinc is most preferred technical scheme.Preferably; For the casting that improves clutch outer ring and clutch internal tooth spare or the bonding strength of injection moulding; Can be provided with the embedding tooth in bottom, clutch outer ring, embed the following gear shaping that tooth embeds clutch internal tooth spare, can also be provided with some locating holes spaced apart on surface, clutch outer ring simultaneously; Process casting or Shooting Technique obtain having the clutch internal tooth spare of locating convex block, and each locating convex block embeds the locating hole on clutch outer ring.

Preferably, it is protruding that the inner periphery side of described installing plate is provided with some " U " types spaced apart, forms between each adjacent ' U ' type convexity to go up slot, and last slot can cooperate with the last gear shaping of clutch gear ring is stable.Preferably, described " U " type is protruding to be formed through integrated punching on installing plate, processes simple and convenient.Further preferred, lead fillet in the protruding junction of each " U " type with installing plate.

Preferably, described solenoid mechanism comprises solenoid, coil holder, coil retainer, solenoid winding on coil holder, and coil holder is positioned on the coil retainer, and coil retainer is fixed on the inner surface of housing.Described coil retainer, housing, clutch gear ring all contain permeability magnetic material, form a closed magnetic circuit between the three, and under the solenoid "on" position, the clutch gear ring receives electromagnetic attraction and moves up and the installing plate secure fit along meshing part.Preferably; The described coil retainer of the utility model can be fixed on upper shell or installing plate or the bear box; Also can be fixed on the lower house; Concrete fixed form can the actual installation structure need concrete the setting, and described fixed form can be that the riveted punching press connects, and described coil holder can be the one moulding.In order to locate the lead-out wire of solenoid; Prevent lead-out wire from housing, carrying out displacement and sustain damage; More preferably; Be socketed with sleeve pipe on the lead-out wire of described solenoid, be positioned in the housing or outside the housing through the sleeve pipe on the lead-out wire that technology will be socketed in solenoid of being fixedly connected between coil retainer and the housing, thereby avoid the lead-out wire of solenoid to sustain damage.Further preferably, for fear of in the coiling process of solenoid on coil holder, friction causes solenoid to sustain damage owing to taking place constantly between the two, also insulating tape can be set on the solenoid, to avoid the generation of this situation.

Preferably, the outside, described meshing part upper end is fixedly connected spring retainer, between spring retainer and clutch gear ring, is provided with back-moving spring, and back-moving spring is fixed on clutch gear ring upper end.

Preferably, the outside, described ring gear upper end is fixedly connected spring retainer, between spring retainer and clutch gear ring, is provided with back-moving spring, and back-moving spring is fixed on clutch gear ring upper end.

The setting of the described back-moving spring of the utility model not only can reduce the noise that the clutch gear ring moves up and produces when colliding with installing plate, the more important thing is, has guaranteed that effectively moving down smoothly with the clutch fluted disc of clutch gear ring cooperates.

Preferably; Described spring retainer can adopt the interference secure fit to be connected with meshing part or ring gear upper end, when having satisfied the dehydration condition of the utility model in user mode well, owing to be static relatively between spring retainer and the back-moving spring; Effectively eliminated noise; Because if spring retainer is fixedly connected with installing plate, then when dehydration condition, because the spring retainer maintenance is motionless; And back-moving spring is followed the clutch gear ring and is carried out high speed rotation together, between spring retainer and the back-moving spring owing to exist high-speed friction can produce very obvious noise.Further preferably, described spring retainer is provided with the cooperation eck overcoat that cooperates with meshing part or ring gear upper end, and described meshing part or ring gear upper end are provided with and cooperate the eck liner.

Certainly, identical with the complete essence of above scheme is that described spring retainer also can be fixedly connected with propeller shaft sleeve.

Certainly, obviously, as not preferred scheme, the described spring retainer of the utility model also can be fixed on the upper shell, or upper shell can be directly as spring retainer.

Preferably, be provided with muffler part between described clutch gear ring and the installing plate, muffler part is fixedly sleeved in the upper end of clutch gear ring, and size and shape match with clutch gear ring upper end.Preferably, described muffler part is a working of plastics, and itself and clutch gear ring can be split-type structural, also can be that carry out integral type in clutch gear ring upper end injection molded.Preferably, described back-moving spring can directly be fixedly connected with muffler part.

Preferably, in order to ensure stable cooperation the between clutch fluted disc and the driving shaft, improve the transmission torsional strenght of clutch fluted disc; Be fixed with on the described driving shaft and embed cover; Embed the cover outside and be fixedly connected with the clutch fluted disc, embed the outer end side surface of cover and be provided with the extension tooth, the extension tooth embeds the clutch fluted disc.Preferably, described clutch fluted disc is provided with some grooves spaced apart, improves the forming degree of clutch fluted disc, also can reduce the material usage of clutch fluted disc simultaneously.Described embedding cover can be metalwork also can be metallic sintered products, or is formed by other suitable material preparations.

Preferably; The shape of the described clutch fluted disc of the utility model can be discoid; The shape that also can add disk for cylinder is with the transmission torsional strenght of further raising clutch fluted disc, further preferably; To rub in order reducing between clutch fluted disc and the driving shaft, can between clutch fluted disc and driving shaft, to be provided with the protection pad.

Preferably, the face of being connected of described embedding cover and clutch fluted disc comprises curved-surface structure, effectively guarantees stable cooperation the between clutch fluted disc and the driving shaft, further improves the transmission torsional strenght of clutch fluted disc.Specifically preferably; The face of being connected of described embedding cover and clutch fluted disc is provided with some male and fomale(M&F) structures; The extension tooth that comprises above-mentioned embedding clutch fluted disc; Also can be included in circumferential lateral surface and be provided with some curved surface tongues spaced apart or curved surface groove, or be chimb or concave edge or flanging or other curve forms.

Preferably, be fixedly connected through alignment pin between described embedding cover and the driving shaft.

Preferably, described embedding cover is integral structure.

Preferably, described embedding cover comprises geared sleeve and lining for split-type structural, and geared sleeve is fitted on the driving shaft, and is fixedly connected through alignment pin, and lining is fixedly sleeved in the geared sleeve outside, and the outer end side surface of lining is provided with the extension tooth, and the extension tooth embeds the clutch fluted disc.

Preferably, all sides are provided with the lining internal tooth in the lining, and the geared sleeve circumferential lateral surface is provided with the geared sleeve external tooth, realize lining fixedly sleeved in the geared sleeve outside through the engaging structure of lining internal tooth and geared sleeve external tooth.

Preferably, the described ring gear of the utility model is a composite construction, comprises the internal tooth inner ring ring gear maintainance set outside with being positioned at the internal tooth inner ring that is connected to one, internal tooth inner ring and planetary gear engagement, and the ring gear maintainance set is fixedly connected with propeller shaft sleeve.

Preferably; The described internal tooth inner ring of the utility model upper end is provided with at least two stopper slots; The lower end is provided with at least two locating slots and the latch segment spaced apart with locating slot, the ring gear maintainance set be provided with the corresponding spacing block set of stopper slot, with the corresponding locating convex block of locating slot, with the corresponding locking slot of latch segment.

Preferably, the described ring gear maintainance set of the utility model is a laser weld with the mode that is fixedly connected of propeller shaft sleeve, and nitrogen treatment is adopted on the propeller shaft sleeve surface.

The advantage of the utility model is:

1, the washing machine dual drive system that provides of the utility model mainly is made up of external rotor electric machine and electromagnetic clutch mechanism, and compact conformation, volume are little, and electromagnetic clutch mechanism is positioned at housing simultaneously, and disengaging performance is good, long service life;

2, the external rotor electric machine that provides of the utility model is through the setting of the radiator shutter on rotor case, good heat dissipation effect, and easy to process;

3, clutch fluted disc of the utility model and driving shaft are connected through being provided with to embed to overlap; The face of being connected that embeds cover and clutch fluted disc simultaneously comprises curved-surface structure; Effectively guaranteed stable cooperation the between clutch fluted disc and the driving shaft; Increased substantially the transmission torsional strenght of clutch fluted disc, and low cost of manufacture, long service life;

4, with respect to of the prior art owing to existing the high speed relative motion relation to produce obvious noise between spring retainer and the back-moving spring; The utility model is through being provided with the spring retainer that is connected with the meshing part fixed installation; Satisfied effectively when dehydration condition; Do not have relative motion relation between spring retainer and the back-moving spring, avoided generating noise greatly;

5, the installing plate of the utility model some through being provided with " U " type is protruding, forms between each adjacent ' U ' type convexity and goes up draw-in groove, not only cooperate with the last gear shaping of clutch gear ring and stablize, and the protruding processing of " U " type is simple, low cost of manufacture.

Description of drawings

Accompanying drawing 1 is the cutaway view of the utility model embodiment 1;

Accompanying drawing 2 is A place structure enlarged drawings in the accompanying drawing 1;

Accompanying drawing 3 is perspective view of the utility model embodiment 1;

Accompanying drawing 4 is stereochemical structure part explosive views of accompanying drawing 3;

Accompanying drawing 5 is the stereochemical structure exploded perspective views that concern between the utility model embodiment 1 said housing and clutch, driving shaft, the propeller shaft sleeve;

Accompanying drawing 6 is cutaway views of the utility model embodiment 2;

Accompanying drawing 7 is B place structure enlarged drawings in the accompanying drawing 6;

Accompanying drawing 8 is cutaway views of the utility model embodiment 3;

Accompanying drawing 9 is C place structure enlarged drawings in the accompanying drawing 8;

Accompanying drawing 10 is stereochemical structure exploded perspective views of two driven wheel transmission mechanisms 800 of the utility model embodiment 3;

Accompanying drawing 11 is the perspective view that concern between said clutch gear ring of the utility model and the upper and lower component;

Accompanying drawing 12 is perspective view of the said motor of the utility model embodiment;

Accompanying drawing 13 is stereochemical structure exploded perspective views of the said motor of the utility model embodiment;

Accompanying drawing 14 is perspective view of the utility model embodiment 7 said inner stators;

Accompanying drawing 15 is perspective view of the utility model embodiment 9 or embodiment 14 said installing plates;

Accompanying drawing 16 is D place structure enlarged drawings in the accompanying drawing 15;

Accompanying drawing 17 is the perspective view that concern between the utility model embodiment 10 said meshing parts and the propeller shaft sleeve;

Accompanying drawing 18 is perspective view of the utility model embodiment 13 said clutch gear rings;

Accompanying drawing 19 is stereochemical structure exploded perspective views of the utility model embodiment 13 said clutch gear rings;

Accompanying drawing 20 is the utility model embodiment 21 said perspective view that have the clutch gear ring of muffler part;

Accompanying drawing 21 is the perspective view that concern between the utility model embodiment 22 said clutch fluted discs and the driving shaft;

Accompanying drawing 22 is the cutaway views that concern between the utility model embodiment 22 said clutch fluted discs and the driving shaft;

Accompanying drawing 23 is the stereochemical structure exploded perspective views that concern between the utility model embodiment 22 said clutch fluted discs and the driving shaft;

Accompanying drawing 24 is the perspective view that concern between the utility model embodiment 23 said clutch fluted discs and the driving shaft;

Accompanying drawing 25 is the cutaway views that concern between the utility model embodiment 23 said clutch fluted discs and the driving shaft;

Accompanying drawing 26 is the stereochemical structure exploded perspective views that concern between the utility model embodiment 23 said clutch fluted discs and the driving shaft;

Accompanying drawing 27 is the perspective view that concern between the utility model embodiment 24 said propeller shaft sleeves and the ring gear;

Accompanying drawing 28 is the stereochemical structure exploded perspective views that concern between the utility model embodiment 24 said propeller shaft sleeves and the ring gear;

Accompanying drawing 29 is structure division exploded perspective views of the solenoid of the utility model;

Accompanying drawing 30 is perspective view of the utility model embodiment 25 said meshing parts;

Reference numeral: oiliness bearing 1, motor 100, outer rotor 110, outer rotor case 111, back of the body yoke 112, permanent magnetic steel 113, spline housing 114, locking nut 115, first bearing pad 116, inner stator 120, stator core 121, stator tooth 121-1, screw hole 121-2, stator slot 121-3, Insulating frame 122, coil windings 123, end face insulation framework 122-1, upper end insulation framework 122-1a, lower surface insulation framework 122-1b, side insulation groove 122-2, Hall subassembly 130, housing 200, stator retainer 210, male and fomale(M&F) reinforcement 210-1, stator retainer screw hole 210-2, self-clinching stud 2, nut 3, upper shell 220, installing plate 221, go up slot 221-1, the protruding 221-2 of " U " type, fillet 221-2a, connecting hole 221-3, slotted hole 221-3a, circular hole 221-3b, reinforcement 221-4, lower hem 221-5, bear box 222, concavo-convex reinforcement 222-1, clutch 300, solenoid mechanism 310, solenoid 311, lead-out wire 311-1, sleeve pipe 311-2, coil holder 312, coil retainer 313, clutch gear ring 320, engagement internal tooth 320-1, go up gear shaping 320-2, down gear shaping 320-3, clutch outer ring 321, shaping seam 321-1, embed tooth 321-2, locating hole 321-3, clutch internal tooth spare 322, step 322-1, locating convex block 322-2, groove 323, meshing part 330, engagement external tooth 330-1, ribs 330-2, fixed lobe 330-3, the 3rd bearing pad 330-4, meshing part cooperate eck liner 330-5, go up component 340, down component 350, spring retainer 360, cooperate eck overcoat 361, back-moving spring 370, muffler part 380, driving shaft 400, clutch fluted disc 400-1, Xia slot 400-1a, groove 400-1b, Qian Ru Tao 400-2, extension tooth 400-2a, flanging 400-2b, alignment pin 400-3, geared sleeve 400-4, geared sleeve external tooth 400-4a, curved surface groove 400-4b, lining 400-5, lining internal tooth 400-5a, & CAT[N 810a, planetary gear 820; 820a, ring gear 830; 830a, ring gear cooperate eck liner 830-0, internal tooth inner ring 830-1; 830a-1, stopper slot 830-1a; 830a-1a, locating slot 830-1b; 830a-1b, latch segment 830-1c; 830a-1c, ring gear maintainance set 830-2; 830a-2, spacing block set 830-2a; 830a-2a, locating convex block 830-2b; 830a-2b, locking slot 830-2c; 830a-2c, planetary gear retainer 840; 840a, bracing frame 840-1, metal rivet 840-2, retainer lining 840-3, pad 840-4, planet axis counterbore 840-5, planet axis 850; 850a, planetary gear retainer cover plate 860,860a.

The specific embodiment

Embodiment 1, like Fig. 1-5, shown in Figure 11; And combining other relevant accompanying drawings, a kind of single-drive system of washing machine comprises motor 100, housing 200, clutch 300, driving shaft 400, propeller shaft sleeve 500; Be provided with 2 oiliness bearings 1 between driving shaft 400 and the propeller shaft sleeve 500 to realize that driving shaft 400 is arranged in the propeller shaft sleeve 500 rotationally; Driving shaft 400 inputs are connected with motor 100, and driving shaft 400 outputs are connected with agitation wheel for washing machine or agitator, and propeller shaft sleeve 500 outputs are fixedly connected with washing machine inner tub; Clutch 300 is positioned at housing 200 inside, wherein:

Described driving shaft 400 comprises driving power shaft 410 and drives output shaft 420 that it is coaxial with driving output shaft 420 to drive power shaft 410, is the straight drive system of single action power, is applied to single the driving and directly drives in the washing machine;

Described motor 100 is an outer rotor motor 100, comprises outer rotor 110, is positioned at the inner inner stator 120 of outer rotor 110, and outer rotor 110 is fixedly connected with driving shaft 400 inputs;

Described housing 200 comprises the lower house and the upper shell 220 of fixed connection; Lower house is as the stator retainer 210 of inner stator 120; Stator retainer 210 is fixedly connected with inner stator 120; Stator retainer 210 is connected with driving shaft 400 through first connection bearing 600, and upper shell 220 comprises the installing plate 221 and bear box 222 that is connected to one, and bear box 222 is connected with propeller shaft sleeve 500 through second connection bearing 700; Described first connection bearing 600 is 6004 single-groove grooved ball bearings, and described second connection bearing 700 is 6205 single-groove grooved ball bearings; Bear box 222 is split type fixed connection structure with installing plate 221; Described lower house and installing plate 221 are connected to one; Described fixed connection mode connects for the riveted punching press, and described riveted punching press connection is to accomplish through the punching press distortion in lower house and installing plate 221 junctions;

Described clutch 300 is positioned at the inner space that lower house and upper shell 220 are fixedly connected to form; Comprise solenoid mechanism 310, clutch gear ring 320, meshing part 330, last component 340, following component 350; Solenoid mechanism 310 is fixed on the below of installing plate 221; And be positioned at clutch gear ring 320 outsides, and clutch gear ring 320 inboards are provided with engagement internal tooth 320-1, and meshing part 330 outsides are provided with engagement external tooth 330-1; Clutch gear ring 320 is socketed in meshing part 330 outsides through engagement internal tooth 320-1 with the engagement of meshing external tooth 330-1; And clutch gear ring 320 can move up and down along meshing part 330, and meshing part 330 is positioned at propeller shaft sleeve 500 outsides, and is fixedly connected with the input of propeller shaft sleeve 500; Installing plate 221 is as last component 340; The driving shaft 400 that is positioned at stator retainer 210 tops is fixedly connected with clutch fluted disc 400-1, and clutch fluted disc 400-1 is as following component 350, realizes that clutch gear ring 320 moves up and down and selects one along meshing part 330 and cooperates with installing plate 221 and clutch fluted disc 400-1.

Embodiment 2, like Fig. 6, Fig. 7, shown in Figure 11, and combine other relevant accompanying drawings, a kind of single-drive system of washing machine; Wherein: described driving shaft 400 comprises driving power shaft 410 and drives output shaft 420, drives power shaft 410 and driving output shaft 420 disalignments, drives power shaft 410 and drive between the output shaft 420 to be provided with reduction gearing transmission mechanism 800a; Be single action power deceleration system, be applied to single the driving in the deceleration washing machine, described reduction gearing transmission mechanism 800a comprises sun gear 810a, 5 planetary gear 820a, ring gear 830a, planetary gear retainer 840a; Ring gear 830a is as meshing part 330; Clutch gear ring 320 engagement is socketed in the ring gear 830a outside, and clutch gear ring 320 can move up and down along ring gear 830a, and sun gear 810a is fixedly installed on and drives on the power shaft 410; Each planetary gear 820a is fixedly installed on the planetary gear retainer 840a through planet axis 850a; Planet axis 850a lower end also is provided with planetary gear retainer cover plate 860a, sun gear 810a and planetary gear 820a engagement, planetary gear 820a and ring gear 830a engagement; Planetary gear retainer 840a is fixedly connected with driving output shaft 420; Ring gear 830a is fixedly connected with propeller shaft sleeve 500, and described solenoid mechanism 310 is fixed on the inner surface of stator retainer 210, between clutch fluted disc 400-1 and driving shaft 400, is provided with simultaneously to protect pad 4; Described outer rotor 110 is connected with driving shaft 400 inputs through locking nut 115, and all the other are with embodiment 1.

Embodiment 3, shown in Fig. 8-11; And combine other relevant accompanying drawings, a kind of dual drive system of washing machine, wherein: comprise motor 100, housing 200, clutch 300, driving shaft 400, propeller shaft sleeve 500; Be provided with 2 oiliness bearings 1 between driving shaft 400 and the propeller shaft sleeve 500 to realize that driving shaft 400 is arranged in the propeller shaft sleeve 500 rotationally; Driving shaft 400 inputs are connected with motor 100, and driving shaft 400 outputs are connected with agitation wheel for washing machine or agitator, and propeller shaft sleeve 500 outputs are fixedly connected with washing machine inner tub; Clutch 300 is positioned at housing 200 inside, wherein:

Described driving shaft 400 comprises driving power shaft 410 and drives output shaft 420; It is coaxial with driving output shaft 420 to drive power shaft 410; Two driven wheel transmission mechanisms 800 are set between driving shaft 400 and propeller shaft sleeve 500; Be two straight drive systems that drive, be applied to two drivings and directly drive in the washing machine;

Described housing 200 comprises the lower house and the upper shell 220 of fixed connection; Lower house is as the stator retainer 210 of inner stator 120; Stator retainer 210 is fixedly connected with inner stator 120; Stator retainer 210 is connected with driving shaft 400 through first connection bearing 600, and upper shell 220 comprises the installing plate 221 and bear box 222 that is connected to one, and bear box 222 is connected with propeller shaft sleeve 500 through second connection bearing 700; Described first connection bearing 600 is 6004 single-groove grooved ball bearings, and described second connection bearing 700 is 6205 single-groove grooved ball bearings; Bear box 222 is split type fixed connection structure with installing plate 221; Described lower house and installing plate 221 are connected to one; Described fixed connection mode connects for the riveted punching press, and described riveted punching press connection is to accomplish through the punching press distortion of lower house and installing plate 221 junctions;

Described clutch 300 is positioned at the inner space that lower house and upper shell 220 are fixedly connected to form; Comprise solenoid mechanism 310, clutch gear ring 320, meshing part 330, last component 340, following component 350; Solenoid mechanism 310 is fixed on the below of installing plate 221; And be positioned at clutch gear ring 320 outsides, and clutch gear ring 320 inboards are provided with engagement internal tooth 320-1, and meshing part 330 outsides are provided with engagement external tooth 330-1; Clutch gear ring 320 is socketed in meshing part 330 outsides through engagement internal tooth 320-1 with the engagement of meshing external tooth 330-1; And clutch gear ring 320 can move up and down along meshing part 330, and installing plate 221 is as last component 340, and the driving shaft 400 that is positioned at stator retainer 210 tops is fixedly connected with clutch fluted disc 400-1; Clutch fluted disc 400-1 is as following component 350, realizes that clutch gear ring 320 moves up and down and selects one along meshing part 330 and cooperates with installing plate 221 and clutch fluted disc 400-1;

Described pair of driven wheel transmission mechanism 800 comprises 810,5 planetary gears 820 of sun gear, ring gear 830, planetary gear retainer 840; Planetary gear retainer 840 is a drum; The cylinder outer bottom and the retainer lining 840-3 of planetary gear retainer 840 are fixedly sleeved; The cylinder inner bottom part is provided with bracing frame 840-1, is provided with metal rivet 840-2 in the bracing frame 840-1, and planetary gear retainer 840 is as meshing part 330; 320 engagements of clutch gear ring are socketed in planetary gear retainer 840 outsides; And clutch gear ring 320 follows star-wheel retainer 840 and can move up and down, and planetary gear retainer 840 is positioned at clutch fluted disc 400-1 top, its with clutch fluted disc 400-1 between also have sun gear 810 to be fixedly installed on the driving power shaft 410 (promptly driving output shaft 420); Planet axis 850 is fixed in the planet axis counterbore 840-5 of planetary gear retainer 840 bottoms; Planet axis 850 upper ends also are provided with planetary gear retainer cover plate 860, and retainer lining 840-3 is fixedly connected with planetary gear retainer cover plate 860 with planetary gear retainer 840 through metal rivet 840-2, is provided with pad 840-4 between retainer lining 840-3 and the planetary gear retainer 840; Each planetary gear 820 is fixedly installed on the planetary gear retainer 840 through planet axis 850; Sun gear 810 and planetary gear 820 engagements, planetary gear 820 and ring gear 830 engagements, ring gear 830 is fixedly connected with propeller shaft sleeve 500.

Embodiment 4, shown in Fig. 8-11; And with reference to figure 6, Fig. 7; A kind of dual drive system of washing machine, wherein: described driving shaft 400 comprises driving power shaft 410 and drives output shaft 420, drives power shaft 410 and driving output shaft 420 disalignments; Drive between power shaft 410 and the driving output shaft 420 and be provided with reduction gearing transmission mechanism 800a, all the other are with embodiment 2 and embodiment 3.

Embodiment 5, like Figure 12, shown in Figure 13; Described outer rotor 110 comprises outer rotor case 111, back of the body yoke 112; Back of the body yoke 112 is positioned on outer rotor case 111 inwalls; Fixed interval is pasted with some permanent magnetic steels 113 on the back of the body yoke 112; The application number that the structure of the described outer rotor case 111 of the utility model is described referring to the applicant be " 201120462960.1 ", and what be called " a kind of External rotor electric machine rotor housing " formerly applies for a patent disclosed technology contents, and all the other are with embodiment 1 or embodiment 2 or embodiment 3 or embodiment 4.

Embodiment 6, like Fig. 1 and shown in Figure 8; And combination Figure 13; Described outer rotor case 111 is connected with driving shaft 400 inputs through spline housing 114, and spline housing 114 is processed by kirsite, and lock with locking nut 115 spline housing 114 bottoms; Be provided with first bearing pad 116 between spline housing 114 upper ends and first connection bearing 600, all the other are with any one embodiment among the embodiment 1-5.

Embodiment 7, like Figure 12, Figure 13 and shown in Figure 14; And with reference to other relevant drawings; Described inner stator 120 comprises stator core 121, Insulating frame 122, the coil windings 123 of some outside intervals extension stator tooth 121-1; Form stator slot 121-3 between the adjacent stators tooth 121-1, on each stator tooth 121-1, promptly Insulating frame 122 covers stator core 121 outer surfaces to coil windings 123 through Insulating frame 122 windings; Coil windings 123 windings are being coated with on the stator tooth 121-1 of Insulating frame 122; Stator core 121 is overrided to form by stator core stamping sheet, and stator core stamping sheet comprises some stator core stamping blade units, between the stator core stamping blade unit through being spliced; Described Insulating frame 122 comprises end face insulation framework 122-1 and some side insulation tank 122-2; End face insulation framework 122-1 comprises upper end insulation framework 122-1a and lower surface insulation framework 122-1b, is injection structure, and upper end insulation framework 122-1a and lower surface insulation framework 122-1b cover the upper and lower end face of stator core 121 respectively; Its size and shape is corresponding with the upper and lower end face of stator core 121; Described each side insulation groove 122-2 embeds among each stator slot 121-3, and its size and shape is corresponding with stator slot 121-3, and upper end insulation framework 122-1a and lower surface insulation framework 122-1b are through chase mortise structure secure fit; Motor 100 is connected with frequency converter through Hall subassembly 130; The junction of upper end insulation framework 122-1a and lower surface insulation framework 122-1b and side insulation groove 122-2 is fixed together through ultrasonic bonding, and particularly, the application number that described stator core 121 of the utility model and Insulating frame 122 structures are described referring to the applicant is " 201020564284.4 "; What name was called " a kind of insulation stator iron core " formerly applies for a patent disclosed technology contents, and all the other are with any one embodiment among the embodiment 1-6.

Embodiment 8, like Fig. 4, Fig. 5, shown in Figure 13; And with reference to other relevant drawings; Described stator retainer 210 (being lower house) is an integrated punching spare, and its bottom is provided with the male and fomale(M&F) reinforcement 210-1 of definite shape, to improve the mechanical installation strength of stator retainer 210; Be equipped with screw hole 121-2, stator retainer screw hole 210-2 on stator core 121 and the stator retainer 210 with self-clinching stud 2 corresponding matching; Stator retainer 210 is fixedly connected with stator core 121 through some self-clinching studs 2, and with nut 3 self-clinching stud 2 is locked, and all the other are with any one embodiment among the embodiment 1-7.

Embodiment 9, shown in figure 15; And with reference to other relevant drawings; Described installing plate 221 is split type fixed connection structure with bear box 222, and installing plate 221 and bear box 222 are fixedly connected through mechanical stamping, and installing plate 221 is provided with connecting hole 221-3; Connecting hole 221-3 is intersected by slotted hole 221-3a and circular hole 221-3b to form; Slotted hole 221-3a width is less than the diameter of circular hole 221-3b, and installing plate 221 plate faces are provided with the male and fomale(M&F) reinforcement 221-4 of definite shape, and the side is intervally distributed with lower hem 221-5 around installing plate 221; Strengthening parts such as reinforcement 221-4, lower hem 221-5 all form through integrated punching on installing plate 221; Bear box 222 is provided with the concavo-convex reinforcement 222-1 of definite shape, and concavo-convex reinforcement 222-1 integrated punching on bear box 222 forms, and all the other are with any one embodiment among the embodiment 1-8.

Embodiment 10, shown in figure 17; And combine accompanying drawing 1, Fig. 5; Described meshing part 330 is fixedly connected mode with the input of propeller shaft sleeve 500 be that teeth groove is fixedly connected, and is specially meshing part 330 inner peripheral surfaces and is provided with 6 fixed lobe 330-3 spaced apart, and propeller shaft sleeve 500 circumferential lateral surface are provided with the fixed groove 500-4 that cooperates with fixed lobe 330-3 teeth groove; Meshing part 330 is a cylindrical shape; The cylinder medial surface has been provided with the ribs 330-2 of booster action, is provided with the 3rd bearing pad 330-4 in meshing part 330 and propeller shaft sleeve 500 junctions, and all the other are with any one embodiment among embodiment 1, the embodiment 5-9.

Embodiment 11, like Fig. 1, Fig. 5 or shown in Figure 8; And,, be provided with big water seal 510 between bear box 222 and the propeller shaft sleeve 500 in order to satisfy the sealing property of the utility model with reference to other relevant drawings; Big water seal 510 is positioned at second connection bearing, 700 tops; Be provided with little water seal 520 between the output end of propeller shaft sleeve 500 and the driving shaft 400, terminal outer surface integral type or the split type second bearing pad 500-3 that is provided with of propeller shaft sleeve 500 outputs is in the use of the utility model; Can effectively play weight-bearing function, all the other are with any one embodiment among the embodiment 1-10.

Embodiment 12, shown in figure 11; And with reference to other relevant drawings; Described clutch gear ring 320 upper ends and bottom are provided with 6 respectively and go up gear shaping 320-2 and 10 following gear shaping 320-3; Installing plate 221 is provided with 6 last slot 221-1 that can cooperate with last gear shaping 320-2; Clutch fluted disc 400-1 is provided with can following slot 400-1a with 10 that following gear shaping 320-3 cooperates, and the following gear shaping 320-3 of clutch gear ring 320, the shape of the following slot 400-1a on the clutch fluted disc 400-1 are fan-shaped, and all the other are with any one embodiment among the embodiment 1-11.

Embodiment 13, like Figure 18, shown in 19; And with reference to other relevant drawings; Described clutch gear ring 320 comprises clutch outer ring 321 and clutch internal tooth spare 322, clutch internal tooth spare 322 engagement internal tooth 320-1 spaced apart, and concrete preparation method is: the clutch outer ring 321 that utilizes magnetic conductive material to process adopts diel to be rolled into shape; Clutch outer ring 321 after the shaping forms shaping seam 321-1; Shaping seam 321-1 adopts the chase mortise respective outer side edges, and 321 surfaces, clutch outer ring are provided with some locating hole 321-3 spaced apart, and the bottom is provided with and embeds tooth 321-2; 320 direct casting zinc moulding obtain having the clutch internal tooth spare 322 of locating convex block 322-2 in the clutch outer ring then; Each locating convex block 322-2 embeds the locating hole 321-3 on the clutch outer ring 321; The last gear shaping 320-2 of said clutch gear ring 320 is arranged on the upper end of clutch outer ring 321; The following gear shaping 320-3 of said clutch gear ring 320 is arranged on the bottom of clutch internal tooth spare 322, embeds the following gear shaping 320-3 that tooth 321-2 embeds clutch internal tooth spare 322, and clutch internal tooth spare 322 is provided with groove 323 with the upper end of clutch gear ring 320; Groove 323 is used for fixing muffler part 380 or back-moving spring 370 is set; Groove 323 forms after step 322-1 is connected with clutch outer ring 320 one through being provided with step 322-1 in the outside, clutch internal tooth spare 322 upper ends, and all the other are with any one embodiment among the embodiment 1-12.

Embodiment 14, like Figure 15, shown in Figure 16; And with reference to other relevant drawings; The inner periphery side of described installing plate 221 is provided with the protruding 221-2 of some " U " types spaced apart; Fillet 221-2a has been led in the protruding junction with installing plate of each " U " type, forms between the protruding 221-2 of each adjacent ' U ' type and goes up slot 221-1, and last slot 221-1 can stablely with the last gear shaping 320-2 of clutch gear ring 320 cooperate; The protruding 221-2 of described " U " type forms through integrated punching on installing plate 221, and all the other are with any one embodiment among the embodiment 1-13.

Embodiment 15, like Fig. 1, Fig. 2, Fig. 5 or Fig. 8, shown in Figure 9; And with reference to other relevant drawings; Described solenoid mechanism 310 comprises that solenoid 311, coil holder 312, coil retainer 313, solenoid 311 windings are on coil holder 312; Coil holder 312 is positioned on the coil retainer 313, and coil retainer 313 is fixed on installing plate 221 belows, and described coil retainer 313, installing plate 221, clutch gear ring 320 all contain permeability magnetic material; Form a closed magnetic circuit between the three; Under solenoid 311 "on" positions, clutch gear ring 320 receives electromagnetic attraction and moves up and installing plate 221 secure fit along meshing part 330, and all the other are with any one embodiment among the embodiment 1-14.

Embodiment 16, like Fig. 6 or shown in Figure 7; And with reference to other relevant drawings; Described solenoid mechanism 310 comprises that solenoid 311, coil holder 312, coil retainer 313, solenoid 311 windings are on coil holder 312; Coil holder 312 is positioned on the coil retainer 313, and coil retainer 313 is fixed on the inner surface of stator retainer 210, and described coil retainer 313, housing 200 (comprising installing plate 221, stator retainer 210), clutch gear ring 320 all contain permeability magnetic material; Form a closed magnetic circuit between the three; Under solenoid 311 "on" positions, clutch gear ring 320 receives electromagnetic attraction and moves up and installing plate 221 secure fit along meshing part 330, and all the other are with any one embodiment among the embodiment 1-14.

Embodiment 17, shown in figure 29; And with reference to other relevant drawings; Be socketed with sleeve pipe 311-2 on the lead-out wire 311-1 of described solenoid 311; The sleeve pipe 311-2 that is fixedly connected on the lead-out wire 311-1 that technology will be socketed in solenoid 311 through between coil retainer 313 and the housing 200 is positioned in the housing 200, and described solenoid 311 is provided with insulating tape, and all the other are with embodiment 15 or embodiment 16.

Embodiment 18, like Fig. 1, shown in Figure 2; And with reference to other relevant drawings; The outside, described meshing part 330 upper ends is fixedly connected spring retainer 360; Between spring retainer 360 and clutch gear ring 320, be provided with back-moving spring 370, back-moving spring 370 is fixed on clutch gear ring 320 upper ends, and all the other are with any one embodiment among embodiment 1-2, the embodiment 5-17.

Embodiment 19, like Fig. 6, shown in Figure 7; And with reference to other relevant drawings; Described bear box 222 is as spring retainer 360; Between spring retainer 360 and clutch gear ring 320, be provided with back-moving spring 370, back-moving spring 370 is fixed on clutch gear ring 320 upper ends, and all the other are with any one embodiment among the embodiment 1-17.

Embodiment 20, like Fig. 8, shown in Figure 9; And with reference to other relevant drawings; The outside, described ring gear 830 upper ends is fixedly connected spring retainer 360; Between spring retainer 360 and clutch gear ring 320, be provided with back-moving spring 370, back-moving spring 370 is fixed on clutch gear ring 320 upper ends, and all the other are with any one embodiment among the embodiment 2-17.

Embodiment 21, shown in figure 20, and, be provided with muffler part 380 between described clutch gear ring 320 and the installing plate 221 with reference to other relevant drawings; Muffler part 380 fixedly sleeved upper ends at clutch gear ring 320; Size and shape match with clutch gear ring 320 upper ends, and described muffler part 380 is a working of plastics, and itself and clutch gear ring 320 are split-type structural; Described back-moving spring 370 directly is fixedly connected with muffler part 380, and all the other are with any one embodiment among the embodiment 1-20.

Embodiment 22, shown in Figure 21-23; And with reference to other relevant drawings, be fixed with on the described driving shaft 400 and embed cover 400-2, embed the clutch fluted disc 400-1 that the cover 400-2 outside is fixedly connected with injection structure; Described clutch fluted disc 400-1 is provided with some groove 400-1b spaced apart; Embed the outer end side surface of cover 400-2 and be provided with extension tooth 400-2a, extension tooth 400-2a embeds clutch fluted disc 400-1, and the face of being connected of described embedding cover 400-2 and clutch fluted disc 400-1 comprises curved-surface structure; Be fixedly connected through alignment pin 400-3 between described embedding cover 400-2 and the driving shaft 400; Described embedding cover 400-2 is an integral structure, and the face of being connected that embeds cover 400-2 and clutch fluted disc 400-1 comprises flanging 400-2b, and all the other are with any one embodiment among the embodiment 1-21.

Embodiment 23, shown in Figure 24-26, and with reference to other relevant drawings, described embedding cover 400-2 is a split-type structural; Comprise geared sleeve 400-4 and lining 400-5; Geared sleeve 400-4 is fitted on the driving shaft 400, and is fixedly connected through alignment pin 400-3, and the outer end side surface of lining 400-5 is provided with extension tooth 400-2a; Extension tooth 400-2a embeds clutch fluted disc 400-1; All sides are provided with lining internal tooth 400-5a in the lining 400-5, and geared sleeve 400-4 circumferential lateral surface is provided with geared sleeve external tooth 400-4a, realize lining 400-5 fixedly sleeved in the geared sleeve 400-4 outside through the engaging structure of lining internal tooth 400-5a and geared sleeve external tooth 400-4a; The face of being connected of geared sleeve 400-4 and clutch fluted disc 400-1 comprises some curved surface groove 400-4b spaced apart, and all the other are with embodiment 22.

Embodiment 24, like Figure 27, shown in Figure 28, and with reference to other relevant drawings, the described ring gear 830 of the utility model, 830a is a composite construction; Comprise the internal tooth inner ring 830-1 that is connected to one, 830a-1 be positioned at internal tooth inner ring 830-1, the ring gear maintainance set 830-2 that 830a-1 is outside, 830a-2; Internal tooth inner ring 830-1,830a-1 and planetary gear 820,820a engagement, ring gear maintainance set 830-2; 830a-2 is fixedly connected with propeller shaft sleeve 500, described internal tooth inner ring 830-1, and the 830a-1 upper end is provided with 8 stopper slot 830-1a, 830a-1a; The lower end is provided with 4 locating slot 830-1b, 830a-1b and with locating slot 830-1b, 4 latch segment 830-1c that 830a-1b is spaced apart, 830a-1c; Ring gear maintainance set 830-2,830a-2 are provided with and stopper slot 830-1a, the corresponding spacing block set 830-2a of 830a-1a; 830a-2a, with locating slot 830-1b, the corresponding locating convex block 830-2b of 830a-1b, 830a-2b, with latch segment 830-1c; The corresponding locking slot 830-2c of 830a-1c, 830a-2c, ring gear maintainance set 830-2; 830a-2 is a laser weld with the mode that is fixedly connected of propeller shaft sleeve 500, and nitrogen treatment is adopted on propeller shaft sleeve 500 surfaces, and all the other are with any one embodiment among the embodiment 2-23.

Embodiment 25, like Fig. 5, shown in Figure 30, described spring retainer 360 is provided with the cooperation eck overcoat 361 that cooperates with meshing part 330 upper ends, described meshing part 330 upper ends are provided with and cooperate eck liner 330-5, all the other are with embodiment 18.

Embodiment 26, like Fig. 5, shown in Figure 28, described spring keeps 360 to be provided with the cooperation eck overcoat 361 that cooperates with ring gear 830 upper ends, described ring gear 830 upper ends are provided with cooperation eck liner 830-0, all the other are with embodiment 20.

Embodiment 27, the outside, described propeller shaft sleeve 500 bottoms are fixedly connected spring retainer 360; Between spring retainer 360 and clutch gear ring 320, be provided with back-moving spring 370; Back-moving spring 370 is fixed on clutch gear ring 320 upper ends, and all the other are with embodiment 18 or 20.

Embodiment 28, like Fig. 1, Fig. 5 or Fig. 6, Fig. 8, shown in Figure 28; And with reference to other relevant drawings; The propeller shaft sleeve 500 that is positioned at second connection bearing, 700 tops is provided with draw-in groove 500-1; Be provided with load-bearing jump ring 500-2 in the draw-in groove 500-1, effectively play weight-bearing function, all the other are with any one embodiment among the embodiment 1-27.

In conjunction with embodiment 1 and other embodiments relevant with embodiment 1; Explain that the straight drive system of single driving shown in the utility model accompanying drawing 1-5 is applied to the operation principle of washing machine: when washing machine is in the washing operating mode; Solenoid mechanism 310 is in "on" position; Clutch gear ring 320 overcomes back-moving spring 370 under the magnetic effect of solenoid mechanism 310 elastic force upwards slides and installing plate 221 secure fit along meshing part 330; Clutch gear ring 320 is a disengaged position with clutch fluted disc 400-1, and the propeller shaft sleeve 500 that promptly connects firmly with meshing part 330 keeps motionless, meanwhile; Motor 100 directly drives agitation wheel for washing machine through driving shaft 400 or agitator rotates, and accomplishes washing procedure; When washing machine is in dehydration condition; Solenoid mechanism 310 is in off-position; The magnetic effect of solenoid mechanism 310 disappears; Clutch gear ring 320 breaks away from installing plate 221 down and moves down the secure fit with clutch fluted disc 400-1 along meshing part 330 at back-moving spring 370 and self gravitation, and the propeller shaft sleeve 500 that promptly connects firmly with meshing part 330, the driving shaft 400 that connects firmly with clutch fluted disc 400-1 form the integral body of a rigidity, and motor 100 drives driving shaft 400 simultaneously and propeller shaft sleeve 500 rotates in the same way; Promptly realize the rotation in the same way of agitation wheel for washing machine or agitator and interior bucket, accomplished dehydration procedure.

In conjunction with embodiment 2 and other embodiments relevant with embodiment 2; Explain that single driving deceleration system shown in the utility model accompanying drawing 6-7 is applied to the operation principle of washing machine: when washing machine is in the washing operating mode; Solenoid mechanism 310 is in "on" position, and clutch gear ring 320 overcomes back-moving spring 370 under the magnetic effect of solenoid mechanism 310 elastic force upwards slides and installing plate 221 secure fit along ring gear 830a, and clutch gear ring 320 is a disengaged position with clutch fluted disc 400-1; The propeller shaft sleeve 500 that promptly connects firmly with ring gear 830a keeps motionless; Meanwhile, motor 100 drives when driving shaft input 410 rotates and drives sun gear 810a rotation, and sun gear 810a drives planetary gear 820a and rotates; Because ring gear 830a is fixed; Therefore together revolve round the sun with planetary gear retainer 840a planetary gear 820a rotation the time, the planetary gear retainer 840a of revolution finally drives agitation wheel for washing machine through driving shaft output 420 or agitator rotates, the completion washing procedure; When washing machine is in dehydration condition; Solenoid mechanism 310 is in off-position; The magnetic effect of solenoid mechanism 310 disappears; Clutch gear ring 320 breaks away from installing plate 221 down and moves down the secure fit with clutch fluted disc 400-1 along ring gear 830a at back-moving spring 370 and self gravitation, and the propeller shaft sleeve 500 that promptly connects firmly with ring gear 830a, the driving shaft 400 that connects firmly with clutch fluted disc 400-1 form the integral body of a rigidity, and motor 100 drives driving shaft 400 simultaneously and propeller shaft sleeve 500 rotates in the same way; Promptly realize the rotation in the same way of agitation wheel for washing machine or agitator and interior bucket, accomplished dehydration procedure.

In conjunction with embodiment 3 and other embodiments relevant with embodiment 3; Explain that the straight drive system of two drivings shown in the utility model accompanying drawing 8-10 is applied to the operation principle of washing machine: when washing machine is in the washing operating mode; Solenoid mechanism 310 is in "on" position, and clutch gear ring 320 overcomes back-moving spring 370 under the magnetic effect of solenoid mechanism 310 elastic force follows star-wheel retainer 840 upwards slip and installing plate 221 secure fit, and clutch gear ring 320 is a disengaged position with clutch fluted disc 400-1; Motor 100 drives and drives sun gear 810 rotations when driving shaft 400 rotates; Sun gear 810 drives planetary gear 820 rotations, and planetary gear 820 drives ring gear 830 backward rotation, driving shaft 400 and propeller shaft sleeve 500 backward rotation; Promptly realize the backward rotation of agitation wheel for washing machine or agitator and interior bucket, accomplished washing procedure; When washing machine is in dehydration condition; Solenoid mechanism 310 is in off-position; The magnetic effect of solenoid mechanism 310 disappears, and clutch gear ring 320 breaks away from installing plate 221 down and follows star-wheel retainer 840 at back-moving spring 370 and self gravitation and moves down the secure fit with clutch fluted disc 400-1, and promptly clutch gear ring 320 locks with driving shaft 400; Because the meshing relation of clutch gear ring 320 and planetary gear retainer 840; Meshing relation between sun gear 810, planetary gear 820, the ring gear 830, the propeller shaft sleeve 500 that promptly connects firmly with ring gear 830, the driving shaft 400 that connects firmly with clutch fluted disc 400-1 form the integral body of a rigidity, and motor 100 drives driving shaft 400 simultaneously and rotates in the same way with propeller shaft sleeve 500; Promptly realize the rotation in the same way of agitation wheel for washing machine or agitator and interior bucket, accomplished dehydration procedure.

The part-structure that the utility model literal is not described can be specifically referring to accompanying drawing.

The utility model is not limited to above-mentioned concrete embodiment, and it also has a lot of the variation or remodeling, does not break away from the connotation and the scope of the utility model, all belongs to the protection domain of the utility model.

Claims

1. the dual drive system of a washing machine; Comprise motor (100), housing (200), clutch (300), driving shaft (400), propeller shaft sleeve (500), driving shaft (400) is arranged in the propeller shaft sleeve (500) rotationally, and driving shaft (400) input is connected with motor (100); Driving shaft (400) output is connected with agitation wheel for washing machine or agitator; Propeller shaft sleeve (500) output is fixedly connected with washing machine inner tub, and clutch (300) is positioned at housing (200) inside, it is characterized in that:

Two driven wheel transmission mechanisms (800) are set between driving shaft (400) and propeller shaft sleeve (500);

Described motor (100) is an outer rotor motor, comprises outer rotor (110), is positioned at the inner inner stator (120) of outer rotor (110), and outer rotor (110) is fixedly connected with driving shaft (400) input;

Described housing (200) comprises the lower house and the upper shell (220) of fixed connection; Lower house is as the stator retainer (210) of inner stator (120); Stator retainer (210) is fixedly connected with inner stator (120); Stator retainer (210) is connected with driving shaft (400) through first connection bearing (600), and upper shell (220) comprises installing plate (221) and the bear box (222) that is connected to one, and bear box (222) is connected with propeller shaft sleeve (500) through second connection bearing (700);

Described clutch (300) is positioned at the inner space that lower house and upper shell (220) are fixedly connected to form; Comprise solenoid mechanism (310), clutch gear ring (320), meshing part (330), last component (340), following component (350); Solenoid mechanism (310) is fixed on the inner surface of housing (200); And be positioned at outside the clutch gear ring (320); Clutch gear ring (320) inboard is provided with engagement internal tooth (320-1), and meshing part (330) outside is provided with engagement external tooth (330-1), and clutch gear ring (320) is socketed in meshing part (330) outside through the engagement of engagement internal tooth (320-1) and engagement external tooth (330-1); And clutch gear ring (320) can move up and down along meshing part (330); One of parts of the two driven wheel transmission mechanisms (800) of meshing part (330) while conduct, installing plate (221) are as last component (340), and the driving shaft (400) that is positioned at stator retainer (210) top is fixedly connected with clutch fluted disc (400-1); Clutch fluted disc (400-1) is as following component (350), realizes that clutch gear ring (320) moves up and down and selects one along meshing part (330) and cooperates with installing plate (221) and clutch fluted disc (400-1).

2. the dual drive system of a kind of washing machine as claimed in claim 1; It is characterized in that: described pair of driven wheel transmission mechanism (800) comprises sun gear (810), at least 2 planetary gears (820), ring gear (830), planetary gear retainer (840); Planetary gear retainer (840) is as meshing part (330); Clutch gear ring (320) engagement is socketed in planetary gear retainer (840) outside; And clutch gear ring (320) follows star-wheel retainer (840) and can move up and down, and sun gear (810) is fixedly installed on and drives on the power shaft (410), and each planetary gear (820) is fixedly installed on the planetary gear retainer (840) through planet axis (850); Planet axis (850) upper end also is provided with planetary gear retainer cover plate (860); Sun gear (810) and planetary gear (820) engagement, planetary gear (820) and ring gear (830) engagement, ring gear (830) is fixedly connected with propeller shaft sleeve (500).

3. the dual drive system of a kind of washing machine as claimed in claim 1; It is characterized in that: described driving shaft (400) comprises driving power shaft (410) and drives output shaft (420); Drive power shaft (410) and drive output shaft (420) disalignment, drive between power shaft (410) and the driving output shaft (420) and be provided with reduction gearing transmission mechanism (800a).

4. like the dual drive system of claim 1 or 2 or 3 described a kind of washing machines; It is characterized in that: described clutch gear ring (320) upper end and bottom are provided with at least 2 respectively and go up gear shaping (320-2) and at least 2 following gear shapings (320-3); Installing plate (221) is provided with the last slot (221-1) that can cooperate with last gear shaping (320-2), and clutch fluted disc (400-1) is provided with the following slot (400-1a) that can cooperate with following gear shaping (320-3).

5. the dual drive system of a kind of washing machine as claimed in claim 4; It is characterized in that: the inner periphery side of described installing plate (221) is provided with some " U " types spaced apart protruding (221-2), forms between each adjacent ' U ' type convexity and goes up slot (221-1).

6. like the dual drive system of claim 1 or 2 or 3 described a kind of washing machines; It is characterized in that: described solenoid mechanism (310) comprises that solenoid (311), coil holder (312), coil retainer (313), solenoid (311) winding are on coil holder (312); Coil holder (312) is positioned on the coil retainer (313), and coil retainer (313) is fixed on the inner surface of housing (200).

7. the dual drive system of a kind of washing machine as claimed in claim 2; It is characterized in that: the outside, described ring gear (830) upper end is fixedly connected spring retainer (360); Between spring retainer (360) and clutch gear ring (320), be provided with back-moving spring (370), back-moving spring (370) is fixed on clutch gear ring (320) upper end.

8. like the dual drive system of claim 1 or 2 or 3 described a kind of washing machines; It is characterized in that: be provided with muffler part (380) between described clutch gear ring (320) and the installing plate (221); Muffler part (380) is fixedly sleeved in the upper end of clutch gear ring (320), and size and shape match with clutch gear ring (320) upper end.

9. like the dual drive system of claim 1 or 2 or 3 described a kind of washing machines; It is characterized in that: be fixed with on the described driving shaft (400) and embed cover (400-2); Embed cover (400-2) outside and be fixedly connected with clutch fluted disc (400-1); Embed cover (400-2) outer end side surface and be provided with extension tooth (400-2a), extension tooth (400-2a) embeds clutch fluted disc (400-1).

10. the dual drive system of a kind of washing machine as claimed in claim 9 is characterized in that: described embedding cover (400-2) comprises curved-surface structure with the face of being connected of clutch fluted disc (400-1).

11. the dual drive system of a kind of washing machine as claimed in claim 6 is characterized in that: be socketed with sleeve pipe (311-2) on the lead-out wire (311-1) of described solenoid (311), sleeve pipe (311-2) is positioned in the housing (200).