CN103103725B

CN103103725B - Washing method and applied washing machine driving mechanism

Info

Publication number: CN103103725B
Application number: CN201310066975.XA
Authority: CN
Inventors: 刘晓辉; 胡义明; 陈昌
Original assignee: Changzhou Machine Master Co ltd
Current assignee: Changzhou Sinya Electromotor Co Ltd
Priority date: 2013-03-01
Filing date: 2013-03-01
Publication date: 2015-03-25
Anticipated expiration: 2033-03-01
Also published as: CN103103725A

Abstract

The invention relates to a washing method and an applied washing machine driving mechanism. An input member of a reducing mechanism is fixedly connected with a power member which provides rotating motion energy. A dehydration output member of the reducing mechanism is fixedly connected with a dehydration shaft sleeve. A washing output element of the reducing mechanism is connected with a washing shaft. The washing output part is connected with the input element, so that the washing output element rotates around the power element in a revolution mode. The dehydration output element is connected with the washing output element in a meshed mode, so that the dehydration output element and the washing output element respectively rotate by mutual effect through mutual effect. The magnetic damper is arranged and connected outside the dehydration shaft sleeve, and the magnetic damper can produce damping force on the dehydration shaft sleeve, so that rotating speed of the dehydration shaft sleeve is equal to or less than that of a washing shaft. The washing method and the applied washing machine driving mechanism greatly ensure washing effect, and meet the requirement for washing ratio.

Description

The driving mechanism for washing machine of a kind of washing methods and application thereof

Technical field

The present invention relates to washing machine technology field, be specifically related to the driving mechanism for washing machine of a kind of washing methods and application thereof.

Background technology

Washing machine is the machine being made the spot removing be attached on washings by chemical breakdown effect and mechanical shock effect, and it mainly drives impeller to rotate by driving mechanism, stirs current and clothing rotation, reaches the object of washing clothes.The power source of conventional driving mechanism is motor at present, and moment when being rotated by motor by the output shaft of motor passes to reducing gear, then is connected with impeller by the output shaft of reducing gear, thus drives impeller to rotate.

The rotating speed of common electric machine is higher, in order to obtain suitable output speed, in actual applications, need to slow down to motor, the normal mode adopted makes motor be delivered to decelerator by one-level pulley decelerates at present, arranges the deceleration that one or more levels gear reduction has carried out a constant-speed ratio in decelerator.This structure is not only complicated, and it is large to take up room.In order to solve this technical problem, having some at present about removal belt pulley, motor is directly connected with decelerator, because its motor body and decelerator remain relatively independent, motor body and decelerator need to take installing space respectively, and structure is compact not, and volume is still larger.

In order to solve the problems of the technologies described above further, publication number is that the Chinese invention patent application of CN102142734A discloses a kind of external rotor electric machine assembly, comprise motor body, driving shaft, reducing gear, wherein: driving shaft is fixed on reducing gear, motor body Direct driver driving shaft, motor body has inner diameter volume, and reducing gear is arranged in motor body inner diameter volume.Although this structure further reduces to a certain extent and takes up room, and due to its principle be utilize by installing component, reducing gear is arranged in diameter of stator bore space on the stator interior circuferential spacing of external rotor electric machine, therefore cannot apply on the inner rotor motor not having inner space, there is certain limitation, its motor body Direct driver axle simultaneously, then by the reducing gear be arranged in motor inner diameter volume, driving shaft is slowed down, therefore be also only to decrease to a certain extent and take up room, but structure is still compact not, further, by reducing gear in order to obtain more big speed ratio time need increase volume time, also external rotor electric machine must be made to increase internal diameter volume and could realize this invention, obviously this does not solve the technical problem of essence.

In addition, current washing machine all washs according to a kind of fixing rotating speed, no matter the size of wash load, its wash shaft is all washed according to identical rotating speed, this mode of washing not only easily damages by the clothing washed, and also can damage laundry motor at overload.

Summary of the invention

In order to solve above-mentioned problems of the prior art, the earlier application of the applicant provides the two even power output method of a kind of washing machine and device, application number is 201310031707.4, the rotating speed of wash shaft can be changed according to the change of wash load, to save energy consumption, and wash shaft and the counter-rotating simultaneously of dehydration axle sleeve, to improve clean result, but along with applicant is in continuous application process, find the uncontrollability due to wash load, frequent appearance dehydration axle sleeve rotary speed is greater than the situation of the rotary speed of wash shaft, cause clean result poor, clean ratio can not practical requirement.

For solving the problems of the technologies described above, the invention provides a kind of washing methods, its technical scheme adopted is:

A kind of washing methods, wherein: comprise the following steps: the input block of reducing gear is fixedly connected with providing the power part of rotational kinetic energy; The dehydration output block of reducing gear is fixedly connected with the dehydration axle sleeve of washing machine; The washing output block of reducing gear is connected with the wash shaft of washing machine; Be connected with described input block by described washing output block, washing output block is revolved round the sun around the axle center of described power part; By dehydration output block and washing output block are connected with a joggle, make described dehydration output block and washing output block carry out rotation respectively by interacting, thus drive wash shaft and dehydrating shaft cover to rotate respectively;

Described dehydration axle sleeve outside is installed and is connected with magnetic damper, and magnetic damper can produce damping force to dehydration axle sleeve, makes the rotary speed of described dehydration axle sleeve be equal to or less than the rotary speed of described wash shaft.

Preferably, further comprising the steps of: during described wash shaft rotates, described wash shaft is delivered to described washing output block wash load to its reaction force; And described washing output block is by being applied to described dehydration output block wash load reaction force, change the interaction of described washing output block and described dehydration output block, the rotary speed of described washing output block and described dehydration output block is changed along with the change of wash load.

Present invention also offers the driving mechanism for washing machine that this washing methods is applied, comprise: the power part that rotational kinetic energy is provided, there is the reducing gear of input block, dehydration output block and washing output block, connect wash shaft and the dehydration axle sleeve of described reducing gear; Wherein, described input block is fixedly connected with power part; Described dehydration output block is fixedly connected with dehydration axle sleeve; Described washing output block one end is connected with wash shaft, and the other end is connected with described input block; Described dehydration output block is connected with a joggle with washing output block; Described dehydration axle sleeve outside is installed and is connected with magnetic damper, and magnetic damper can produce damping force to dehydration axle sleeve; Described wash shaft and dehydration axle sleeve are connected washing and the dehydration execution unit of washing machine respectively, and described dehydration axle sleeve is sheathed on described wash shaft outside and is rotationally connected with it.

Preferably, described magnetic damper is hysteresis damper, comprising: permanent magnet; The magnetic conductive part be coupled with permanent magnet magnetic force, described permanent magnet makes described magnetic conductive part be in remagnetization state; Described magnetic conductive part is optionally fixedly connected with dehydration axle sleeve; When washing operating mode, described magnetic conductive part is fixedly connected with dehydration axle sleeve, and hysteresis damper produces damping force to dehydration axle sleeve, makes the rotary speed of described dehydration axle sleeve be equal to or less than the rotary speed of described wash shaft.In hysteresis damper, described permanent magnet makes described magnetic conductive part be in remagnetization state, and then produces magnetic hysteresis effect to magnetic conductive part, namely produces damping force to magnetic conductive part.

Preferably, described magnetic damper is electromagnetic damper, comprising: electromagnetic coil assembly; With the magnetic conductive part of electromagnetic coil assembly magnetic couple, described magnetic conductive part is optionally fixedly connected with dehydration axle sleeve; When washing operating mode, described magnetic conductive part is fixedly connected with dehydration axle sleeve, and electromagnetic damper produces damping force to dehydration axle sleeve, makes the rotary speed of described dehydration axle sleeve be equal to or less than the rotary speed of described wash shaft.In electromagnetic damper, described electromagnetic coil assembly and described magnetic conductive part form closed magnetic circuit, and then produce magnetic repulsion or sucking action to magnetic conductive part, namely produce damping force to magnetic conductive part.

Preferably, described power part is rotor or belt pulley, has bogie respectively and is located at the cavity in described bogie.

Preferably, described input block to be mounted in described cavity and to connect described bogie and the eccentric bushing rotated around described wash shaft.

Preferably, described washing output block comprises: be set in described eccentric bushing outside and the spur gear be rotationally connected with it, revolve round the sun for the rotation along with eccentric bushing around described bogie axis; Connect the jockey of described spur gear and described wash shaft or the axle sleeve that dewaters.

Preferably, described dehydration output block is the ring gear connecting described dehydration axle sleeve or wash shaft, settles described spur gear, make described spur gear engage with the internal tooth of described ring gear during described revolution and produce rotation in it.

Natch, input block of the present invention, washing output block, dehydration output block can also by the following technical solutions: described input block is arranged on described bogie, and described input block comprises the input gear axle being arranged on position, described bogie disalignment, and connect the input gear of described input gear axle; Described washing output block is the output gear be connected with a joggle with described input gear; Described dehydration output block is the idler drive gear being positioned at outside described bogie and being connected with a joggle with described input gear.

Preferably, described driving mechanism for washing machine also comprises: the arrangement of clutch being arranged at housing unit inside, it is set on the outer wall of described ring gear axially slidably, is undertaken being connected together or departing from described latch by the latch slid axially be located at described bogie one end.

Preferably, described arrangement of clutch comprises: be fixed on the solenoid mechanism in described housing unit; Be arranged at the clutch gear ring inside described solenoid mechanism; Wherein, clutch gear ring and described ring gear are slidably connected, and its bottom is provided with the teeth groove be connected together with the described latch of described bogie one end.

Preferably, the lower end inside wall of the magnetic conductive part of described magnetic damper is provided with draw-in groove, described clutch gear ring is provided with the upper latch matched with draw-in groove, realize magnetic conductive part and dehydration being fixedly connected with of axle sleeve by magnetic conductive part and the tooth socket fit structure of clutch gear ring, namely achieve and while arrangement of clutch carries out change working, realize magnetic conductive part be optionally fixedly connected with the axle sleeve that dewaters.

Compared with prior art, the driving mechanism for washing machine of washing methods provided by the invention and application thereof has following outstanding advantage:

1) according to the rotating speed of the change adjustment wash shaft of wash load, thus can alleviate or eliminate by the damage of washing clothes, and the burnout failure that the motor of washing machine causes because of overload can be avoided; And wash shaft and dehydration axle sleeve can counter-rotatings simultaneously, thus improve clean result; The present invention simultaneously, when washing operating mode, produces effective damping effect by magnetic damper to dehydration axle sleeve, makes the rotary speed of dehydration axle sleeve be equal to or less than the rotary speed of wash shaft, greatly ensure that clean result, meet and clean than requiring;

2) hysteresis damper installation volume provided by the invention is little, and structure is simple simultaneously, considerably reduces manufacturing cost, is applicable to the scale of carrying out aborning and applies;

3) reducing gear is placed in the inside of power part by driving mechanism for washing machine of the present invention, therefore can make full use of the space of power part inside, reduces the volume of driving mechanism, thus is beneficial to the miniaturization of washing machine;

4) spur gear in reducing gear of the present invention while with eccentric bushing revolution, again with ring gear generation engagement and carry out rotation, thus makes wash shaft and dehydration axle sleeve realize reverse rotation, reduces the energy consumption of power part, and reduce noise simultaneously;

5) the present invention adopts jockey that spur gear is connected to wash shaft or dehydrating shaft puts, the eccentric moment departing from power part axis obtained when it is rotated with eccentric bushing by spur gear, be converted into the moment with power part axis coaxle, because the deceleration transmission parts adopted are few, therefore transmission efficiency is high, compact conformation, volume is little, and installation and use is convenient;

6) the present invention will provide the power part of power as one of parts of driving mechanism for washing machine, and power part can adopt rotor, also belt pulley can be adopted, make the structure of driving mechanism for washing machine compacter, take up room less while, also reduce the consumption of a large amount of connector, therefore reduce further the production cost of washing machine.

Below in conjunction with accompanying drawing, the present invention is described in detail.

Accompanying drawing explanation

Fig. 1 is the structural representation of first embodiment of the invention driving mechanism for washing machine;

Fig. 2 is the explosive view (not shown arrangement of clutch) of the reducing gear of first embodiment of the invention;

Fig. 3 is the structural representation of the positioning sliding block of first embodiment of the invention;

Fig. 4 is the structural representation of the crosshead shoe of first embodiment of the invention;

Fig. 5 is the structural representation of the spur gear of first embodiment of the invention;

Fig. 6 is the structural representation of the eccentric bushing of first embodiment of the invention;

Fig. 7 is the structural representation of second embodiment of the invention driving mechanism for washing machine;

Fig. 8 is the explosive view (not shown arrangement of clutch) of the reducing gear of second embodiment of the invention;

Fig. 9 is the structural representation of the terminal pad of second embodiment of the invention;

Figure 10 is the right side view of the terminal pad shown in Fig. 9;

Figure 11 is the structural representation of the spur gear of second embodiment of the invention;

Figure 12 is the arrangement of clutch of first and second embodiment of the present invention, the explosive view of dewater axle sleeve and ring gear part;

Figure 13 is the structural representation of the clutch gear ring of first and second embodiment of the present invention;

Figure 14 is the structural representation of the driving mechanism for washing machine of third embodiment of the invention;

Figure 15 is the detonation configuration schematic diagram of Figure 14;

Figure 16 is the structural representation of the members of third embodiment of the invention;

Figure 17 is the structural representation of the magnetic conductive part of third embodiment of the invention;

Figure 18 is the detonation configuration schematic diagram of Figure 17;

Figure 19 is the structural representation of the clutch gear ring (not showing magnetic conduction iron hoop 912) of third embodiment of the invention;

Figure 20 is the structural representation of rotor inserts of the present invention;

Figure 21 is the structural representation of ring gear of the present invention;

Figure 22 is the top view of ring gear of the present invention;

Figure 23 is the front view of driving mechanism for washing machine of the present invention;

Figure 24 is the direction of rotation schematic diagram of reducing gear of the present invention and each part of wash shaft;

Figure 25 is the A place structure for amplifying schematic diagram of Figure 14;

Figure 26 is the principle schematic (not shown hysteresis damper) of fourth embodiment of the invention driving mechanism for washing machine.

Description of reference numerals: 1-housing unit; 2-stator; 3-internal rotor; 4-eccentric bushing; 5-wash shaft; 6-spur gear; 7-ring gear; 8-jockey; 9-arrangement of clutch; 11-housing; 110-louvre; 12-electric motor end cap; 13-motor bolt; 14-mounting disc; 15-hysteresis damper; 150-screw; 151-permanent magnet; 151-1-permanent magnet holder; 151-2-permanent magnetic steel; 152-magnetic conductive part; 152-1-magnetic conductive part body; 152-2-injection moulding installed part; 153-baffle plate; 154-draw-in groove; 155-step surface; 16-Hall subassembly; 17-magnetic ring component; 18-sealing ring; 20-dewaters axle sleeve; 31-bogie; 32-inner chamber; 33-latch; 34-rotor; 35-rotor inserts; 351-cylinder; 352-base; 41-eccentric bushing body; 42-first body; 43-second body; 44-through hole; 411-extension limit; 40-spur gear axis; 50-wash shaft axis; 51-input gear axle; 52-first input gear; 53-idler gear; 54-second input gear; 55-output gear; 60-external tooth; 62-gear recesses; 61-connecting shaft hole; 63-steel ring; 71-upper connector; Connector under 72-; 201-axle sleeve groove; 711-external splines; 712-tongue; 721-internal tooth; 722-boss with holes; 723-reinforcement; 81-terminal pad body; 82-through hole; 83-connecting axle; 831-roll sleeve; 84-cylinder; 85-crosshead shoe; 86-positioning sliding block; 851-disc body; 852-lower convex platform; 853-convex platform; 861-slider body; 862-otic placode; 863-groove; 100-bearing; 200-spring; 91-clutch gear ring; 92-solenoid; 93-coil holder; 94-coil retainer; 95-insulation protective jacket; 911-internal spline; 912-magnetic conduction iron hoop; 913-teeth groove; The upper latch of 914-.

Detailed description of the invention

Core of the present invention is a kind of washing methods, and this washing methods has the advantages such as security performance is high, clean result is good, wherein: comprise the following steps:

The input block of reducing gear is fixedly connected with providing the power part of rotational kinetic energy;

The dehydration output block of reducing gear is fixedly connected with the dehydration axle sleeve of washing machine;

The washing output block of reducing gear is connected with the wash shaft of washing machine;

Be connected with described input block by described washing output block, washing output block is revolved round the sun around the axle center of described power part;

By dehydration output block and washing output block are connected with a joggle, make described dehydration output block and washing output block carry out rotation respectively by interacting, thus drive wash shaft and dehydrating shaft cover to rotate respectively.

During described wash shaft rotates, described wash shaft is delivered to described washing output block wash load to its reaction force; And described washing output block is by being applied to described dehydration output block wash load reaction force, change the interaction of described washing output block and described dehydration output block, the rotary speed of described washing output block and described dehydration output block is changed along with the change of wash load.

Core of the present invention is the driving mechanism for washing machine also providing this washing methods to apply, and has that axial dimension is little, compact conformation, take up room little advantage.Figure 23 is depicted as the front view of driving mechanism for washing machine of the present invention, the sectional view of two embodiments that Fig. 1, Fig. 7 are the driving mechanism for washing machine shown in Figure 23, as shown in Figure 1, Figure 7 shows, this driving mechanism for washing machine, comprise: the power part that rotational kinetic energy is provided, there is the reducing gear of input block, dehydration output block and washing output block, connect wash shaft and the dehydration axle sleeve of described reducing gear; Wherein,

Described input block is fixedly connected with power part;

Described dehydration output block is fixedly connected with dehydration axle sleeve;

Described washing output block one end is connected with wash shaft, and the other end is connected with described input block;

Described dehydration output block is connected with a joggle with washing output block;

Described wash shaft and dehydration axle sleeve are connected washing and the dehydration execution unit of washing machine respectively, and described dehydration axle sleeve is sheathed on described wash shaft outside and is rotationally connected with it.

Wherein, the power part being used to provide rotational kinetic energy adopted in the present invention is rotor or belt pulley, and rotor can be the internal rotor of motor, also can be the outer rotor of motor, for the ease of understanding, the situation being only motor internal rotor to power part in an embodiment of the present invention carries out describing.But be interpreted as, those skilled in the art completely can according to the technical scheme described by the embodiment of the present invention, by the motor internal rotor described in motor outer rotor or belt pulley corresponding substitute embodiment, and, when corresponding substitute, corresponding change is carried out to structure of the present invention and also not there is novelty.

The present invention can use various motor, such as synchronous motor, asynchronous machine, servomotor, PSC motor, BLDC motor etc.

In the present invention, the internal rotor of motor provides rotational kinetic energy by rotating around the axis being positioned at its center, the reducing gear output speed of internal rotor being carried out variable-speed processing is provided with in internal rotor inside, because reducing gear is connected with internal rotor, therefore in the process that reducing gear rotates about the axis at internal rotor, obtain rotational kinetic energy, because the eccentric bushing be connected with internal rotor in reducing gear carries out eccentric rotary around internal rotor axis, therefore other part in reducing gear is driven also to carry out eccentric rotary around internal rotor axis, and be the Power output that rotating speed is equal to or less than internal rotor rotating speed by the power-conversion after eccentric rotary.Because reducing gear is connected with wash shaft, and the washing execution unit of one end of wash shaft and washing machine is (as impeller or agitator, hereafter herewith, repeat no more) (not shown) be connected, and the dehydration axle sleeve 20 be rotationally connected with it is provided with in the outer cover of wash shaft, the dehydration execution unit of dehydration axle sleeve and washing machine is (as interior bucket, not shown) be connected, thus under the effect of reducing gear outputting power, the described power being equal to or less than internal rotor rotating speed is supplied to corresponding execution unit by wash shaft and dehydration axle sleeve respectively, and then make the washing machine being provided with driving mechanism for washing machine of the present invention complete the function of laundry.

In the present invention, as shown in Figure 23,1,7, there is stator 2 in housing unit 1 positioned inside, having the internal rotor 3 for providing rotational kinetic energy in stator 2 positioned inside.Internal rotor of the present invention comprises bogie 31 and is located at the cavity 32 of bogie inside, and therefore the rotating speed of internal rotor is the rotating speed of bogie, and the rotating shaft of bogie is its symmetry axis.Wherein, reducing gear is arranged in the cavity of bogie inside, this reducing gear has input block, dehydration output block and washing output block, particularly, described input block to be mounted in described cavity and to connect bogie 31 and the eccentric bushing 4 rotated around bogie axis, and it is the synchronized rotation with bogie under the drive of bogie; Described washing output block comprises: be set in the outside and spur gear 6 be rotationally connected with its formation of eccentric bushing, it revolves round the sun around bogie axis along with the rotation of eccentric bushing, wherein, spur gear is connected with wash shaft 5 by jockey, thus rotated produce power transmission to wash shaft; Described dehydration output block is the ring gear 7 connecting dehydration axle sleeve 20, spur gear is mounted with in it, spur gear is made to engage with the internal tooth of ring gear during revolving round the sun and produce rotation, and ring gear is also carrying out corresponding rotation to the process that spur gear engages, and give dehydration axle sleeve by power transmission; In addition, the present invention also comprises the arrangement of clutch for controlling washing of drum type washing machine and dehydration condition conversion, it is arranged at housing unit inside, and be set in axially slidably on the outer wall of ring gear, undertaken being connected together or departing from latch by the latch slid axially be located at bogie one end, thus the rotating speed making reducing gear export is equal to or less than the rotating speed of bogie, is washing operating mode during rotating speed lower than bogie, when equaling the rotating speed of bogie, is the dehydration condition of High Rotation Speed.

In reducing gear of the present invention, by jockey, spur gear is connected in wash shaft, and jockey of the present invention has different version, be described in detail below in conjunction with specific embodiment 1 and embodiment 2.

Embodiment 1

As shown in Figure 1, 2, for the jockey in driving mechanism for washing machine of the present invention is the structural representation of slide block structure.

As shown in Figure 1, the motor of the present embodiment is inner rotor motor.Wherein, housing unit 1 comprises: the tubular shell 11 of both ends open, the electric motor end cap 12 be connected with housing 11 bottom, be positioned at housing tip and the mounting disc 14 be connected by motor bolt 13 with electric motor end cap 12, and housing 11, electric motor end cap 12 and mounting disc 14 surround one for settling the inner space of other parts such as stator 2 and internal rotor 3.

The internal rotor 3 of the present embodiment comprises bogie 31 and is located at the cavity 32 of bogie inside, and is provided with latch 33 at the top end face of bogie.Concrete, as shown in Figure 1, Figure 2 shown in 0, the bogie of the present embodiment comprises the rotor 34 of tubular and is positioned at the rotor inserts 35 of rotor, and its rotor inserts comprises: the cylinder 351 of both ends open, and its top is provided with the latch 33 upwards extended; Be positioned at the base 352 of cylinder bottom, and a base plate through holes is offered at the center of base.Cylinder in rotor inserts and base are configured for the cavity 32 settling reducing gear jointly, and wash shaft is through the center of described base plate through holes, therefore there is the rotating shaft identical with wash shaft, i.e. the rotation of bogie and the rotation axis coincident of wash shaft when bogie rotates.

In the present embodiment, as shown in Figure 2, in the cavity of internal rotor, be mounted with reducing gear, this reducing gear comprises eccentric bushing 4, spur gear 6, ring gear 7 and jockey 8.

Wherein, the eccentric bushing in reducing gear is fixedly connected with bogie 31, and eccentric bushing rotates around the rotating shaft of bogie.As shown in Figure 6, this eccentric bushing comprises the second body rotated with bogie coaxial line and the first body rotated with bogie off-axis line, wherein the second body can be fixedly connected with for split type with the first body, also can be that integral type is fixedly connected with, for the ease of processing or installation, preferably, as shown in Figure 2, second body is the second body 43, first body comprises the eccentric connector 41 be connected with the second body top and the first body 42 be connected with eccentric connector top, wherein, eccentric connector 41 has and extends relative to the first body 42 the extension limit formed laterally, and be provided with for the eccentric bushing through hole 44 through wash shaft in the second body 43, this eccentric bushing through hole upwards extends through eccentric connector and the first body.

When processing eccentric bushing, first body, eccentric connector and the second body can adopt integrated mode, or adopt the modes such as welding to connect to be integrated, and, adding man-hour, should make to have certain eccentric throw between the center line of the center line of the first body and the second body, this eccentric throw can be taken as the radius of spur gear and the difference of ring gear radius.

In the present embodiment, being fixedly connected with for ease of transmitting being rigidly connected of rotation torque between eccentric bushing 4 with bogie 31, is adding man-hour, and eccentric bushing and bogie can adopt integral type to be connected, also split type being connected can be adopted, as connected by the mode such as screw, welding.Preferred concrete mode is: the rotor 34 of tubular adopts metal material, eccentric bushing 4 adopts metal material, the rotor 34 of tubular, eccentric bushing 4 are put into injection mold or die casting, directly makes rotor and eccentric bushing be installed on rotor inserts 35 through injection moulding or die cast; More preferably, in eccentric bushing 4, the outside on the extension limit 411 of eccentric connector 41 can be provided with several depression (in Fig. 2 being 4) or chimbs, thus increase eccentric bushing 4 and adhesion when bogie 31 injection moulding or die casting, be easy between eccentric bushing 4 with bogie 31, rigidly fix the needs be connected.

When bogie rotates, be connected in eccentric bushing also coaxial, the synchronized rotation thereupon in its rotor inserts base plate through holes by the second body, thus drive also carries out corresponding rotation to the spur gear that the first body 42 in eccentric bushing is rotationally connected thereupon.

As shown in Figure 5, the spur gear 6 of the present embodiment comprise steel ring 63 and to be positioned at outside steel ring and with the external tooth 60 of its integrated injection molding, and the upper end of spur gear is also provided with a pair gear recesses 62 diametrically.Wherein, the first body in steel ring and eccentric bushing is rotationally connected, concrete mode is: the outer wall of the first body 42 and the inner ring of oiliness bearing 100 are connected in interference mode, and the upper end on eccentric connector extension limit contacts with the bottom on oiliness bearing 100 extension limit and connects, the outer ring of oiliness bearing 100 and the inwall of spur gear contact with gap fiting mode and connect; Or, also the outer wall of the first body 42 and the inner ring of oiliness bearing 100 can be adopted to be that gap fiting mode is connected, and the upper end on eccentric connector extension limit contacts with the bottom on oiliness bearing 100 extension limit and connects, the outer ring of oiliness bearing 100 and the inwall of spur gear contact with interference fit and connect.Natch, also spur gear 6 directly can be adopted metallic sintered products, avoid above-mentioned steel ring injection molding type structure.

Natch, to relatively rotate with spur gear be connected for realizing eccentric bushing 4, also following concrete mode can be adopted: eccentric bushing 4 self structure is improved, as adopted powdered metallurgical material, eccentric bushing 4 is made itself to possess the function of oiliness bearing 100, avoid being used alone of oiliness bearing 100, thus steel ring and the eccentric bushing with oiliness bearing function own are rotationally connected.

Preferably, some material reducing grooves can be provided with in the inside of the first body 42 to reduce manufacturing cost, also can add the appropriate material playing lubricating function simultaneously in material reducing groove, as lubricating oil, oil cotton, increase the service life of eccentric bushing.

When eccentric bushing rotates, the spur gear be rotationally connected with the first body on it carries out the revolution of identical direction of rotation with it under it drives, and because the centreline spacing of the first body in eccentric bushing and the second body has certain eccentric throw, and the rotation of the first body and bogie dead in line, therefore, when spur gear revolves round the sun, be actually and carrying out eccentric rotation around bogie axis.

Its rotary power, in process of revolution, because its external tooth engages with ring gear, therefore can be passed to ring gear by spur gear.The ring gear of the present embodiment is metal or plastic fastening, and in order to save manufacturing cost, preferably, ring gear adopts integrated injection molding part, and this metal or plastic fastening comprise upper connector 71 and be arranged on its lower end and connected lower connector 72.As shown in figure 21 and figure, upper connector is housing, and its outer wall is provided with the external splines 711 along its axial distribution, and its inwall is provided with the multiple tongues 712 along its axial distribution; And lower connector 72 is tubular structure, its top and upper connector are connected, within it wall is embedded with internal tooth 721, and is also provided with multiple reinforcement 723 in the junction of itself and upper connector, and is also provided with multiple for settling the boss with holes 722 of spring 200 between adjacent reinforcement 723.

As shown in figure 12, multiple tongue in upper connector matches with the multiple axle sleeve grooves 201 being located at the axle sleeve outer wall that dewaters, thus ring gear and dehydration axle sleeve are connected to one, in addition, also can adopt and metal connecting piece is realized being rigidly connected with dehydration axle sleeve by laser weld or other modes, in the present embodiment, the internal tooth 721 being positioned at lower connector 72 inwall can be adopted made of plastic, and metal also can be adopted to make.

When spur gear is when carrying out revolving round the sun (namely carrying out eccentric rotary around bogie axis), its external tooth can engage with the internal tooth of ring gear, thus under the interaction force of gears meshing, spur gear is made to produce rotation, and direction of rotation is now contrary with the direction of its revolution, simultaneously because between cog in its external tooth and ring gear exists tooth difference relation, therefore spur gear is made can to produce speed difference in rotation with during revolution, namely the speed of time rotational is lower than speed during revolution, thus the rotating speed making it export is lower than the rotating speed of bogie.Accordingly, owing to there is interaction force between ring gear and spur gear, therefore ring gear is made also can to rotate at spur gear time rotational, just now the direction of rotation of ring gear is contrary with the sense of rotation of spur gear, that is, now the direction of rotation of ring gear is identical with the direction of rotation of bogie, and now the rotating speed of ring gear is also lower than the rotating speed of bogie.

To sum up, spur gear the eccentric bushing rotated and with it by under the comprehensive function power of the ring gear of gears meshing, carry out revolving round the sun and rotation, and the direction of its rotation is contrary with direction of revolving round the sun, the rotating speed of time rotational is lower than the rotating speed of bogie simultaneously; And ring gear is also under the effect of respective action power, carry out contrary with spur gear sense of rotation and lower than the rotary motion of bogie rotating speed.

When spur gear is in low speed rotation process, its by slide block structure by power transmission to wash shaft.The slide block structure of the present embodiment comprises: through the crosshead shoe 85 of wash shaft, the upper end of its lower surface and spur gear is slidably connected; The positioning sliding block 86 be slidably connected with the upper end of crosshead shoe, its center and wash shaft are connected.Wherein, as shown in Figure 4, crosshead shoe comprises: center is through the disc body 851 of wash shaft; Be arranged at disc body lower surface respectively and a pair lower convex platform 852 diametrically; Be arranged at disc body upper end respectively and a pair convex platform 853 diametrically, its extended line becomes space cross distribution with a pair lower convex platform extended line.As shown in Figure 3, positioning sliding block comprises: tubular slider body 861, and its center and wash shaft are connected; Be located at slider body both sides and radially opposing a pair otic placode 862 stretched out, it be respectively equipped with the groove 863 matched with a pair convex platform.Preferably, the upper end of spur gear is provided with a pair gear recesses diametrically, and it is corresponding with the position of a pair lower convex platform.

Concrete, as shown in Figure 5, in the present embodiment, in a pair gear recesses 62 of spur gear upper end, settle a pair lower convex platform in crosshead shoe 85 respectively, and a pair lower convex platform can slide in a pair gear recesses corresponding with its position respectively; A pair convex platform in crosshead shoe 85 is placed in a pair groove 863 being positioned at positioning sliding block lower surface respectively, and a pair convex platform can slide respectively in a pair groove; The slider body center of positioning sliding block is fixedly connected with wash shaft, thus the center line of positioning sliding block is overlapped with the center line of wash shaft.

When spur gear low speed time rotational, a pair gear recesses 62 on it synchronized, rotating Vortex thereupon, thus drive a pair lower convex platform 852 be placed in a pair gear recesses to rotate thereupon, i.e. now crosshead shoe entirety and then spur gear rotation, under the influence of centrifugal force, a pair lower convex platform on crosshead shoe and a pair convex platform radially slide respectively in a pair gear recesses and a pair groove 863, and the process of sliding is by the motion process of spur gear axis 40 direction towards wash shaft axis 50 direction.Be placed in a pair groove 863 of positioning sliding block because a pair convex platform in crosshead shoe slides, therefore groove is driven to rotate when convex platform rotates, namely positioning sliding block is driven to rotate, because the center of positioning sliding block and wash shaft are connected, thus drive when positioning sliding block rotates wash shaft with its carry out with spur gear in the same way, synchronized rotary motion.

As can be seen from Fig. 2 and Figure 24, when spur gear rotates around wash shaft eccentric axis, pass through slide block structure, spur gear time rotational can be rotated produced power around spur gear axis 40, be converted into wash shaft around wash shaft axis 50(and bogie axis) power that rotates, be converted into the output with wash shaft axis coaxle by spur gear around the output that wash shaft eccentric axis rotates.

Because washing machine operationally has different washing operating modes, thus need need according to the difference of washing operating mode and regulate the output speed of reducing gear, as when washing, need the output speed of reducing gear to be low speed, and when dewatering, need the output speed of reducing gear for high speed.Therefore in the present embodiment, driving mechanism for washing machine also comprises an arrangement of clutch 9, this arrangement of clutch is arranged in the internal cavities of housing unit formation, and be set in axially slidably on the outer wall of ring gear, it passes through and the latch 33 be located on bogie one end face is connected together or departs from latch, thus make reducing gear carry out high speed or low-speed motion, and then realize the change working of washing machine.

Concrete, the arrangement of clutch in the present embodiment is electromagnetic clutch device, and it comprises and is fixed on solenoid mechanism in housing unit and clutch gear ring 91, and solenoid mechanism is placed in the outside of clutch gear ring.

Wherein, solenoid mechanism comprises solenoid 92, coil holder 93 and coil retainer 94.Coil retainer is fixedly mounted in the mounting disc 14 in housing unit, and coil holder is installed in coil retainer, and solenoid winding is on coil holder.

Wherein, clutch gear ring 91 comprises upper end connecting portion and lower end connecting portion, and upper end connecting portion can be fixedly connected with for split type with lower end connecting portion, also can be that integral type is fixedly connected with.For the ease of processing or installation, preferably, as shown in figure 13, upper end connecting portion is tubular structure, its inwall is provided with internal spline 911, and its outer wall establishes the magnetic conduction iron hoop 912 with its integrated injection molding, and internal spline 911 is slidably matched with the external splines 711 on annular gear outer-wall, and magnetic conduction iron hoop matches with solenoid, can away from solenoid under the magneticaction of solenoid; The bottom end face of lower end connecting portion is provided with multiple double wedge spaced apart, teeth groove 913 is formed between each adjacent tooth, and this teeth groove 913 matches with the latch 33 be located on bogie one end face, preferably, some material reducing grooves (illustrating, unmarked) are provided with to reduce manufacturing cost at the surrounding position of lower end connecting portion.Preferably, engage with firm between bogie in order to ensure clutch gear ring, the shape of described latch 33 and double wedge can be skewed.

When the solenoid is activated, under the effect of solenoid magnetic field repulses power, magnetic conduction iron hoop is made to move downward so that away from solenoid, and the upper end connecting portion of magnetic conduction iron hoop and clutch gear ring is connected, thus under the drive of magnetic conduction iron hoop, make whole clutch gear ring 91 along annular gear outer-wall slide downward and arrive its second position location, latch now on the teeth groove of clutch gear ring lower end connecting portion and bogie is connected with a joggle, therefore, ring gear obtains the rotating speed identical with bogie, and make reducing gear be in locking state, be the dehydration condition of washing machine; On the contrary, when solenoid power-off, clutch gear ring is under the effect of restoring force being installed on spring on ring gear, its the first position location is arrived along annular gear outer-wall upward sliding, the teeth groove of lower end connecting portion is now made to be separated with the latch on bogie, and then make reducing gear enter duty, be the washing operating mode of washing machine.

Carry out specifically describing to the course of work of washing machine under washing and dehydration condition situation with the present embodiment driving mechanism for washing machine below.

When washing washings, now solenoid power-off, the closed magnetic circuit formed between solenoid and clutch gear ring disappears, clutch gear ring is no longer subject to the effect of electromagnetic repulsive force, therefore under the effect of spring-return power, clutch gear ring moves up along annular gear outer-wall, thus the latch of the multiple teeth groove and bogie one end being arranged on clutch gear ring lower end connecting portion is departed from, and then makes reducing gear enter duty:

As shown in figure 24, when bogie along the counter clockwise direction shown in Figure 24 around bogie axis (the wash shaft axis 50 namely shown in Figure 24, for convenience, below all this axis is referred to as wash shaft axis) when rotating, drive and rotate around wash shaft axis with the speed identical with it in the counterclockwise direction with it with the eccentric bushing 4 that it is connected, and the spur gear that rotarily drives of eccentric bushing carries out eccentric revolution around wash shaft axis, when spur gear is in process of revolution, its external tooth is meshed with the internal tooth of ring gear and produces mutual active force, thus make spur gear carry out rotation around spur gear axis 40, and the direction of spur gear rotation is contrary with the direction that eccentric bushing rotates, as shown in Figure 24, now the direction of rotation of spur gear is clockwise, and its rotating speed is lower than the rotating speed of bogie.

Engage with ring gear at spur gear and produce in the process of rotation, ring gear rotates under its effect, because the internal tooth of ring gear and the outer between cog of spur gear exist tooth difference, therefore ring gear carries out low speed rotation, counter clockwise direction as shown in Figure 24 along the direction contrary with spur gear direction of rotation.And along with spur gear rotation, also have the slide block structure in reducing gear.When spur gear is to carry out clockwise rotation lower than bogie rotating speed around spur gear axis, spur gear is by establishing a pair lower convex platform 852 power transmission be placed in sliding with a pair gear recesses 62 on it in a pair gear recesses, thus make crosshead shoe carry out clockwise rotation along with spur gear, and then drive the positioning sliding block be slidably connected by a pair convex platform on a pair groove 863 and crosshead shoe to carry out clockwise rotation, because the center of positioning sliding block and wash shaft are connected, thus drive wash shaft to carry out clockwise rotation with it when positioning sliding block turns clockwise, as shown in arrow the most inboard in Figure 24.

As shown in Figure 24, in washing operating mode, when bogie rotates with higher rotation speed, by the reducing gear of the present embodiment, the dehydration axle sleeve that is connected with ring gear and the impeller that is connected with wash shaft can be made to obtain the rightabout low-speed motion lower than bogie rotating speed, thus solve in prior art and dehydration axle sleeve need be fixed and a difficult problem for mass energy need be consumed when washing.

When dewatering to washings, solenoid energising now in arrangement of clutch, magnetic conduction iron hoop 912 interaction of solenoid and clutch gear ring arranged outside can form a closed magnetic circuit, now clutch gear ring under the effect of electromagnetic repulsive force along annular gear outer-wall slide downward (direction downward in as Fig. 1), and clutch gear ring will be arranged on the spring-compressed in ring gear in sliding process, and make together with the multiple teeth groove being arranged on clutch gear ring lower end connecting portion is connected together with the latch of bogie one end, thus clutch gear ring and bogie are connected as one, and then dehydration axle sleeve and bogie are connected as one, and then reducing gear is no longer worked on, but become as a whole High Rotation Speed common with motor, realize dewatering to washings.

Natch, by changing the associated components of reducing gear, as its jockey, can obtain the wash shaft that direction of rotation is identical with bogie, then the axle sleeve that dewaters is contrary with the direction of rotation of bogie.

The present embodiment is by being placed in internal rotor inside by reducing gear, thus effectively make use of the inner space of internal rotor, reduce the volume of washing machine, the miniaturization being beneficial to washing machine is produced, further, in the present embodiment, slide block structure is adopted to be connected with wash shaft by spur gear, thus the output of the bias around wash shaft axis of spur gear is converted into the output with wash shaft axis coaxle, avoid reducing gear to produce unnecessary vibration in the course of the work.

Embodiment 2

As shown in Figure 7,8, the structural representation of the driving mechanism for washing machine of terminal pad structure is adopted for the present invention.

As shown in Figure 7, the motor of the present embodiment is also inner rotor motor.Wherein, in housing unit, be mounted with the internal rotor with cavity, and be mounted with reducing gear in the cavity of internal rotor, this reducing gear comprises eccentric bushing 4, spur gear 6, ring gear 7 and jockey 8, in the present embodiment, what jockey adopted is terminal pad structure.

In the present embodiment, eccentric bushing in inner rotor motor, housing unit, arrangement of clutch and reducing gear, ring gear are all identical with embodiment 1, no longer repeat at this, only corresponding description is carried out to jockey and the structure of spur gear that is connected to jockey below.

As shown in figure 11, the spur gear 6 in the present embodiment comprise steel ring 63 and to be positioned at outside steel ring and with the external tooth 60 of its integrated injection molding, and at the connecting shaft hole 61 be evenly distributed in for settling multiple connecting axle 83 of steel ring.Wherein, the first body in steel ring and eccentric bushing is rotationally connected, and concrete connected mode is identical with embodiment 1, no longer repeats at this.

Terminal pad structure in the present embodiment comprises terminal pad and slidingly contacts with terminal pad and the multiple connecting axles driving terminal pad to rotate by frictional force.Concrete, as shown in Figure 8,9, 10, terminal pad has the terminal pad body 81 in plate-like, its center is passed wash shaft and is connected with wash shaft, in order to the connection strengthened and between wash shaft, can set firmly a cylinder 84 in the middle part of the upper end of terminal pad body, the profile of tooth arranged by cylinder inner wall and wash shaft are connected.During fabrication, terminal pad body and cylinder one-body molded, or adopt the mode of welding to connect and be integrated.Be distributed with multiple through hole 82 at the even circumferential of terminal pad body, and multiple connecting axle is placed in each through hole respectively and slidingly contact with it.Concrete, one end of each connecting axle is placed in a through hole of terminal pad body, and slides along the inwall of through hole, and the other end fixed in position of each connecting axle is in a connecting shaft hole of spur gear.In the present embodiment, the through hole on terminal pad body and the quantity of connecting axle are six, and the internal diameter of through hole is greater than the external diameter of connecting axle.When mounted, first the described other end of six connecting axles is fixedly mounted in six connecting shaft holes of spur gear respectively, again one end of six connecting axles is placed in six through holes of terminal pad body respectively, the outer surface simultaneously guaranteeing six connecting axles respectively and the inwall of corresponding with its position six through holes tangent.

Reducing gear in the present embodiment is carried out transmitting by the rotary power of internal rotor by following motion.

When solenoid power-off in arrangement of clutch, washing machine enters washing state: now, the closed magnetic circuit formed between solenoid and clutch gear ring disappears, clutch gear ring is no longer subject to the effect of electromagnetic repulsive force, therefore under the effect of spring-return power, clutch gear ring moves up along annular gear outer-wall, thus the latch of the multiple teeth groove and bogie one end being arranged on clutch gear ring lower end connecting portion is departed from, and then makes to enter following duty in reducing gear:

Engage with ring gear at spur gear and produce in the process of rotation, ring gear rotates under its effect, because the internal tooth of ring gear and the outer between cog of spur gear exist tooth difference, therefore ring gear carries out low speed rotation, counter clockwise direction as shown in Figure 24 along the direction contrary with spur gear direction of rotation.And along with spur gear rotation, also has the terminal pad structure in reducing gear, its rotation along with spur gear rotates accordingly, and drive wash shaft carry out synchronized with spur gear, with the rotation of direction of rotation, and, make spur gear rotate around wash shaft eccentric axis the bias produced to export, be converted into the output along wash shaft axis direction.

Concrete, spur gear is in the process of eccentric rotary, be packed in six connecting axles in six connecting shaft holes of spur gear also with its synchronous rotary, move in a circle due on the inwall that the other end of six connecting axles is against six through holes of terminal pad body and within it wall, therefore six connecting axles jointly promote terminal pad body and make terminal pad body along with the rotation of spur gear synchronous rotary, and be connected due to the cylinder of terminal pad body upper end and wash shaft, therefore when terminal pad body rotates, wash shaft synchronous rotary thereupon can be driven, thus achieve the output departing from wash shaft axis direction will produced during spur gear eccentric rotary, be converted into and the output in the same way of wash shaft axis.

When the solenoid in arrangement of clutch is energized, washing machine enters dewatering state: now magnetic conduction iron hoop 912 interaction of solenoid and clutch gear ring arranged outside can form a closed magnetic circuit, now clutch gear ring under the effect of electromagnetic repulsive force along annular gear outer-wall slide downward (direction downward in as Fig. 1), and clutch gear ring will be arranged on the spring-compressed in ring gear in sliding process, and make together with the multiple teeth groove being arranged on clutch gear ring lower end connecting portion is connected together with the latch of bogie one end, thus clutch gear ring and bogie are connected as one, and then dehydration axle sleeve and bogie are connected as one, thus clutch gear ring and bogie are connected as one, and then reducing gear is no longer worked on, but become as a whole High Rotation Speed common with motor, realize dewatering to washings.

Other parts do not related in the present embodiment are all identical with the structure in embodiment 1, and operation principle is also identical, no longer repeats at this.

Embodiment 3 the present embodiment 3 is as the further preferred embodiment of embodiment 1 and embodiment 2, and in order to improve clean result, the present embodiment provides the washing methods and application driving mechanism for washing machine thereof that adopt magnetic damper.

The washing methods of the present embodiment is in aforesaid washing methods content basis, also there is step: described dehydration axle sleeve outside is installed and is connected with magnetic damper, magnetic damper can produce damping force to dehydration axle sleeve, make the rotary speed of described dehydration axle sleeve be equal to or less than the rotary speed of described wash shaft, guarantee clean result.

The driving mechanism for washing machine of the present embodiment, in aforesaid driving mechanism for washing machine content basis, also comprises: described dehydration axle sleeve outside is installed and is connected with magnetic damper, and magnetic damper can produce damping force to dehydration axle sleeve.

As shown in Figure 14, the motor of the present embodiment is also inner rotor motor.Wherein, in housing unit, be mounted with the internal rotor with cavity, and be mounted with reducing gear in the cavity of internal rotor, wherein, comprise eccentric bushing 4, spur gear 6, ring gear 7 and jockey 8.

In the present embodiment, eccentric bushing in inner rotor motor, housing unit and reducing gear, spur gear, ring gear and jockey are all identical with embodiment 2, no longer repeat at this, only (washing machine) driving mechanism of magnetic damper, connected arrangement of clutch and magnetic damper application is specifically described accordingly below.

With reference to figure 14-Figure 18 and Figure 25, described magnetic damper can be hysteresis damper, and described hysteresis damper is connected with rotary part, wherein, comprising: permanent magnet; The magnetic conductive part be coupled with permanent magnet magnetic force, described magnetic conductive part is fixedly connected with rotary part; Described permanent magnet makes described magnetic conductive part be in remagnetization state and produces damping force to rotary part, and rotary part rotating speed or moment of torsion are reduced; Particularly, described permanent magnet comprises permanent magnet body and permanent magnet holder, and described permanent magnet body is fixedly mounted in permanent magnet holder; Described permanent magnet body is some permanent magnetic steels, and described permanent magnetic steel respectively interval is fixedly mounted in permanent magnet holder; Described magnetic conductive part is that soft magnetic materials is prepared from.

With reference to figure 14-Figure 18 and Figure 25, when hysteresis damper is applied to driving mechanism, described permanent magnet holder can be packed on the housing unit of driving mechanism.Simultaneously hysteresis damper can also while as braking mechanism: described magnetic conductive part is optionally fixedly connected with rotary part, when rotary part High Rotation Speed, magnetic conductive part is fixedly connected with rotary part, hysteresis damper makes the rotating speed of rotary part or moment of torsion reduce, and realizes the brake function of driving mechanism; Simultaneously driving mechanism realizes magnetic conductive part by the work of clutch switching device shifter and is being fixedly connected with the switching between state and disengaged position with rotary part, and then realizes described magnetic conductive part and be optionally fixedly connected with rotary part.

As shown in Figure 14-Figure 15, when above-mentioned hysteresis damper 15 be applied to driving mechanism for washing machine as described in Example 2 obtain magnetic damper application driving mechanism for washing machine time, described rotary body is the dehydration axle sleeve 20 of washing machine, and the magnetic conductive part of described hysteresis damper is optionally fixedly connected with dehydration axle sleeve; When washing operating mode, the rotary speed of wash shaft 5 and dehydration axle sleeve 20 changes along with the change of wash load, described magnetic conductive part is fixedly connected with dehydration axle sleeve, hysteresis damper produces damping force to dehydration axle sleeve, makes the rotary speed of described dehydration axle sleeve be equal to or less than the rotary speed of described wash shaft.

Structure and the installation pass of hysteresis damper 15 are: hysteresis damper 15 is arranged on the inside of housing unit, described permanent magnet 151 is fixed on mounting disc 14 bottom, and be positioned at magnetic conductive part 152 periphery, carry out magnetic coupling between the two to produce magnetic hysteresis active force, be also referred to as damping force in the present invention, described magnetic conductive part 152 and arrangement of clutch 9 are installed and are connected to realize being fixedly connected with the alternative of dehydration axle sleeve;

More specifically, as shown in Figure 15-Figure 18 and Figure 25, described permanent magnet 151 comprises permanent magnet holder 151-1 and permanent magnetic steel 151-2, the quantity of described permanent magnet holder is 4 (diagrams), certainly also can be chosen as and be greater than 4, or also can direct addition integral piece, each permanent magnet holder is respectively equipped with 2 permanent magnetic steels, described permanent magnet holder is fixed on the bottom of mounting disc 14 by screw 150, for ease of installing, the lateral surface of permanent magnet holder 151-1 is skewed, and is provided with reinforcement material reducing groove, specifically can see Figure 15; Described magnetic conductive part 152 is prepared from for soft magnetic materials, specifically can select steel or ferrous material; Consider for the ease of the insulation function installed between installing component, described magnetic conductive part 152 is formed by magnetic conductive part body 152-1 and injection moulding installed part 152-2 is chimeric, magnetic conductive part body 152-1 embeds outside injection moulding installed part 152-2, concrete embedded structure is mainly the adhesion that teeth groove is fitted together to increase between the two, specifically can see Figure 17,18; Described magnetic conductive part body and permanent magnetic steel carry out magnetic coupling, and described injection moulding installed part and arrangement of clutch carry out installation and be connected, and described magnetic conductive part body and the concrete preparation technology of permanent magnetic steel can select direct injection moulding on magnetic conductive part body to form injection moulding installed part.

Arrangement of clutch in the present embodiment is similarly electromagnetic clutch device, and it comprises and is fixed on solenoid mechanism in housing unit and clutch gear ring 91, and solenoid mechanism is placed in the outside of clutch gear ring.

Wherein, solenoid mechanism comprises solenoid 92, coil holder 93 and coil retainer 94.Coil retainer is fixedly mounted in the mounting disc 14 in housing unit; coil holder is installed in coil retainer; and solenoid winding is on coil holder, is positioned at coil retainer, coil holder periphery is also provided with insulation protective jacket 95, guarantee the insulation function of solenoid to coil retainer.Described coil holder 93 is insulating materials with insulation protective jacket 95 and is prepared from, and specifically can adopt resin material; Described injection moulding installed part 152-2 is set in outside coil retainer 94 with gap fiting mode, in order to carry out axial limiting to magnetic conductive part 152, baffle plate 153 is fixedly installed in injection moulding installed part upper end, baffle plate 153 is positioned at below coil retainer 94 end, particularly, injection moulding installed part is provided with step outside upper end, and baffle plate 153 is fixedly installed on the step surface 155 of injection moulding installed part by securing member (as screw), the concrete shape of injection moulding installed part and visible Figure 15 of structure, 17,18.

Wherein, as shown in figure 19, clutch gear ring 91 comprises upper end connecting portion and lower end connecting portion, and upper end connecting portion can be fixedly connected with for split type with lower end connecting portion, also can be that integral type is fixedly connected with.The structure of clutch gear ring 91 is except the following structure of increase, and all the other structures, with structure described in embodiment 1, therefore no longer specifically repeat:

Be fixedly connected with the alternative of dehydration axle sleeve to realize magnetic conductive part, be provided with in the inner side of described injection moulding installed part 152-2 on lower end inside wall and be provided with multiple draw-in groove 154 spaced apart, selectable number is selected as 6-14, draw-in groove 154 is formed by multiple double wedge spaced apart equally, the upper end, bottom of the lower end connecting portion of described clutch gear ring 91 is provided with the upper latch 914 matched with draw-in groove, during washing operating mode, the upper latch of clutch gear ring and draw-in groove carry out tooth socket fit, realize magnetic conductive part and dehydration being fixedly connected with of axle sleeve; During dehydration condition, the upper latch of clutch gear ring and draw-in groove depart from.

In order to realize detecting in real time the rotary speed of wash shaft, the present embodiment is also provided with velocity measurement mechanisms, specifically comprise the Hall subassembly 16 being fixed on coil retainer upper end, and the magnetic ring component 17 to be closely coupled with Hall subassembly, described magnetic ring component comprises magnet ring body, and it is fixedly installed in described wash shaft by injection moulding.

Meanwhile, in order to ensure the water-proof function of reducing gear, the present embodiment also arranges sealing ring 18 between ring gear and bogie; In order to be beneficial to heat radiation and material reducing, if be provided with individual louvre 110 spaced apart on described housing 11; In order to reduce the noise that spur gear produces in the course of work, and improve service life, the present embodiment is socketed roll sleeve 831 on the connecting axle 83 of jockey.

Natch, magnetic damper of the present invention can also be electromagnetic damper (not shown), comprising: electromagnetic coil assembly; With the magnetic conductive part of electromagnetic coil assembly magnetic couple, be fixedly connected with described magnetic conductive part and dehydration axle sleeve rotatability; When washing operating mode, described magnetic conductive part is fixedly connected with dehydration axle sleeve, and electromagnetic damper produces damping force to dehydration axle sleeve, makes the rotary speed of described dehydration axle sleeve be equal to or less than the rotary speed of described wash shaft.Concrete electromagnetic coil assembly and the concrete structure of magnetic conductive part and the relation of installation can, respectively see the magnetic conductive part structure described in the electromagnetic coil assembly structure of arrangement of clutch in the present embodiment and hysteresis damper, no longer specifically be launched to describe at this.

Carry out specifically describing to the course of work of driving mechanism for washing machine under washing and dehydration condition situation with the present embodiment below.

When washing washings, now solenoid power-off, the closed magnetic circuit formed between solenoid and clutch gear ring disappears, clutch gear ring is no longer subject to the effect of electromagnetic repulsive force, therefore under the effect of spring-return power, clutch gear ring moves up along annular gear outer-wall, thus the latch of the multiple teeth groove and bogie one end being arranged on clutch gear ring lower end connecting portion is departed from, and the multiple upper latch of clutch gear ring lower end connecting portion engages with the draw-in groove of the injection moulding installed part of magnetic conductive part, and then make reducing gear enter duty, the rotary speed of described wash shaft and the defeated cover of described dehydration changes along with the change of wash load, and the rotary speed of dehydration axle sleeve is less than the rotary speed of described wash shaft, all the other detailed processes are with embodiment 1 and embodiment 2,

When dewatering to washings, solenoid energising now in arrangement of clutch, the magnetic conduction iron hoop interaction of solenoid and clutch gear ring arranged outside can form a closed magnetic circuit, now clutch gear ring under the effect of electromagnetic repulsive force along annular gear outer-wall slide downward (direction downward in as Figure 14), and clutch gear ring will be arranged on the spring-compressed in ring gear in sliding process, and the draw-in groove being arranged on the multiple upper latch of clutch gear ring lower end connecting portion and the injection moulding installed part of magnetic conductive part is departed from, and together with multiple teeth groove of clutch gear ring lower end connecting portion is connected together with the latch of bogie one end, thus clutch gear ring and bogie are connected as one, and then reducing gear is no longer worked on, but become as a whole High Rotation Speed common with motor, realize dewatering to washings.

Magnetic damper described in the present embodiment can also possess brake function: when completing dehydration condition, wash shaft and the dehydration axle sleeve of described washing machine are in common High Rotation Speed state, described hysteresis damper is fixedly connected with again with dehydration axle sleeve, hysteresis damper makes the rotating speed of dehydration axle sleeve or moment of torsion reduce, and realizes the brake function of washing machine.

Other parts do not related in the present embodiment are all identical with the structure in embodiment 2, and operation principle is also identical, no longer repeats at this.

Embodiment 4 is in the driving mechanism for washing machine shown in Figure 26, power part of the present invention is internal rotor 3, input block is arranged on internal rotor 3, and described input block comprises the input gear axle 51 being arranged on position, described bogie disalignment, and connect the input gear comprising the first input gear 52 and the second input gear 54 of described input gear axle; Washing output block is the output gear 55 be connected with a joggle with the second input gear 54 of described input gear; Dehydration output block is positioned at the idler drive gear 53 be connected with a joggle outside bogie and with the first input gear 52 of input gear.Other parts do not related in the present embodiment see embodiment 1 or embodiment 2 or embodiment 3, no longer can repeat at this.

In driving mechanism for washing machine of the present invention, in order to prevent axial float or the displacement of wash shaft, multiple jump ring and other identical functions parts can be installed additional in the applicable position of wash shaft or dehydration axle sleeve; For the ease of installing and load-bearing, pad and other identical functions parts can be installed additional in the applicable position of wash shaft; In order to meet normal delivery and the installation of drive connection of the present invention, multiple oiliness bearing and multiple ball bearing can be set at different parts, as arranged multiple oiliness bearing between wash shaft and dehydration axle sleeve, between ring gear and dehydration axle sleeve, between mounting disc and dehydration axle sleeve and between electric motor end cap and wash shaft, multiple ball bearing is set, more specifically, described ball bearing can be deep groove ball bearing.Preferably, the ball bearing between electric motor end cap and wash shaft and the lining that can arrange between wash shaft for playing oiliness bearing function.In order to prevent washings from entering in deceleration input block and deceleration output block and motor along wash shaft, dehydration axle sleeve and mounting disc, little water seal being set between wash shaft and dehydration axle sleeve, large water seal is set between dehydration axle sleeve and mounting disc.Preferably, in order to realize damping noise abatement operationally, between each build-up member, install the beam that plastic material or elastomeric material are prepared from additional, and under the condition meeting installation strength or correlation function, housing unit is adopted casting aluminium material, or adopts plastics to be prepared from ring gear; Preferably, reduce costs to realize material reducing, and meet strength of parts needs simultaneously, the reinforcement of various shape on each corresponding component; And the concrete mode be fixedly connected with, as selected the securing member connections etc. such as screw.

Due to each parts such as above-described jump ring, pad, oiliness bearing, ball bearing, lining, large water seal, little water seal, damping noise abatement part and reinforcements, and the selection mode be fixedly connected with is the customary means of those skilled in the art, therefore for above part structurally or any change that the concrete mode be fixedly connected with is made relative to this patent, be all interpreted as not possessing novelty.

Except the driving mechanism for washing machine described in above-mentioned 4 embodiments, the present invention also provides a kind of washing machine, it comprises any one driving mechanism for washing machine in embodiment 1 or embodiment 4, adopt the washing machine of any one driving mechanism in above-mentioned 4 embodiments, its compact conformation, volume is little, and the miniaturization being convenient to product is produced.

Although be explained in detail the present invention above, the present invention is not limited thereto, all various amendments carried out according to principle of the present invention of those skilled in the art are all interpreted as falling into protection scope of the present invention.

Claims

1. a washing methods, is characterized in that: comprise the following steps:

By dehydration output block and washing output block are connected with a joggle, make described dehydration output block and washing output block carry out rotation respectively by interacting, thus drive wash shaft and dehydrating shaft cover to rotate respectively;

2. washing methods according to claim 1, is characterized in that: further comprising the steps of:

During described wash shaft rotates, described wash shaft is delivered to described washing output block wash load to its reaction force; And

Described washing output block is by being applied to described dehydration output block wash load reaction force, change the interaction of described washing output block and described dehydration output block, the rotary speed of described washing output block and described dehydration output block is changed along with the change of wash load.

3. the driving mechanism for washing machine of the washing methods application as described in one of claim 1-2, it is characterized in that: comprising: the power part that rotational kinetic energy is provided, there is the reducing gear of input block, dehydration output block and washing output block, connect wash shaft and the dehydration axle sleeve of described reducing gear; Wherein,

Described input block is fixedly connected with power part;

Described dehydration axle sleeve outside is installed and is connected with magnetic damper, and magnetic damper can produce damping force to dehydration axle sleeve;

Described wash shaft and dehydration axle sleeve are connected washing and the dehydration execution unit of washing machine respectively, and described dehydration axle sleeve is sheathed on, and described wash shaft is outside to be rotationally connected with it.

4. driving mechanism for washing machine as claimed in claim 3, is characterized in that: described magnetic damper is hysteresis damper, comprising:

Permanent magnet;

The magnetic conductive part be coupled with permanent magnet magnetic force, described permanent magnet makes described magnetic conductive part be in remagnetization state;

Described magnetic conductive part is optionally fixedly connected with dehydration axle sleeve;

When washing operating mode, described magnetic conductive part is fixedly connected with dehydration axle sleeve, and hysteresis damper produces damping force to dehydration axle sleeve, makes the rotary speed of described dehydration axle sleeve be equal to or less than the rotary speed of described wash shaft.

5. driving mechanism for washing machine as claimed in claim 3, is characterized in that: described magnetic damper is electromagnetic damper, comprising:

Electromagnetic coil assembly;

With the magnetic conductive part of electromagnetic coil assembly magnetic couple, described magnetic conductive part is optionally fixedly connected with dehydration axle sleeve;

When washing operating mode, described magnetic conductive part is fixedly connected with dehydration axle sleeve, and electromagnetic damper produces damping force to dehydration axle sleeve, makes the rotary speed of described dehydration axle sleeve be equal to or less than the rotary speed of described wash shaft.

6. the driving mechanism for washing machine according to claim 3 or 4 or 5, is characterized in that: described power part is rotor or belt pulley, has bogie respectively and is located at the cavity in described bogie.

7. driving mechanism for washing machine according to claim 6, is characterized in that, described input block to be mounted in described cavity and to connect described bogie and the eccentric bushing rotated around described wash shaft.

8. driving mechanism for washing machine according to claim 7, is characterized in that, described washing output block comprises:

Be set in described eccentric bushing outside and the spur gear be rotationally connected with it, revolve round the sun around described bogie axis for the rotation along with eccentric bushing;

Connect the jockey of described spur gear and described wash shaft or the axle sleeve that dewaters.

9. the driving mechanism for washing machine according to claim 7 or 8, it is characterized in that, described dehydration output block is the ring gear connecting described dehydration axle sleeve or wash shaft, settle described spur gear in it, make described spur gear engage with the internal tooth of described ring gear during described revolution and produce rotation.

10. driving mechanism for washing machine according to claim 9, is characterized in that: described driving mechanism for washing machine also comprises:

Be arranged at the arrangement of clutch of housing unit inside, it is set on the outer wall of described ring gear axially slidably, is undertaken being connected together or departing from described latch by the latch slid axially be located at described bogie one end.

11. driving mechanism for washing machine according to claim 10, is characterized in that: described arrangement of clutch comprises:

Be fixed on the solenoid mechanism in described housing unit;

Be arranged at the clutch gear ring inside described solenoid mechanism;

Wherein, clutch gear ring and described ring gear are slidably connected, and its bottom is provided with the teeth groove be connected together with the described latch of described bogie one end.

12. driving mechanism for washing machine according to claim 11, is characterized in that: the lower end inside wall of the magnetic conductive part of described magnetic damper is provided with draw-in groove, and described clutch gear ring is provided with the upper latch matched with draw-in groove.