CN102206914A - Transmission device of washing machine - Google Patents

Transmission device of washing machine Download PDF

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Publication number
CN102206914A
CN102206914A CN 201110128108 CN201110128108A CN102206914A CN 102206914 A CN102206914 A CN 102206914A CN 201110128108 CN201110128108 CN 201110128108 CN 201110128108 A CN201110128108 A CN 201110128108A CN 102206914 A CN102206914 A CN 102206914A
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CN
China
Prior art keywords
brake disc
clutch
sliding part
retainer
planetary gear
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Granted
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CN 201110128108
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Chinese (zh)
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CN102206914B (en
Inventor
宋庆章
胡义明
朱剑力
陈昌
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Changzhou Master Machinery Co Ltd
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Changzhou Master Machinery Co Ltd
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Priority to CN 201110128108 priority Critical patent/CN102206914B/en
Publication of CN102206914A publication Critical patent/CN102206914A/en
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Publication of CN102206914B publication Critical patent/CN102206914B/en
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Abstract

The invention relates to a part of a washing machine, in particular to a transmission device of the washing machine. The transmission device comprises a drive shaft, a drive shaft sleeve, a clutch, a stator component, a rotor component and a brake mechanism, wherein the drive shaft is rotatably arranged in the drive shaft sleeve; the clutch controls the rotation of the drive shaft and the drive shaft sleeve; the stator component is positioned in the rotor component; the rotor component is fixedly connected with one end of the drive shaft through a coupler; the clutch comprises a sliding piece and an electromagnetic coil positioned outside the sliding piece; the sliding piece can be meshed with the external teeth of the drive shaft sleeve in a vertical sliding mode; a meshing part which can be meshed with the sliding piece is arranged at the joint of the rotor component and the drive shaft; the stator component is provided with a meshing part which can be meshed with the sliding piece; the brake mechanism comprises a brake plate, a brake disc and a brake disc retainer; and the brake plate is fixedly connected with the drive shaft sleeve. The transmission device has a simple and compact structure, small volume and low manufacturing cost, and is flexibly controlled.

Description

A kind of power transmission apparatus of washing machines
Technical field
The present invention relates to a kind of part of washing machine, particularly a kind of power transmission apparatus of washing machines.
Background technology
Washing machine is to make the machine of removing attached to the spot on the washings by chemical breakdown effect and mechanical shock effect.The groundwork of washing machine is rotated by the main shaft drives impeller, stirring current and clothing rotates, reach the purpose of washing clothes, because clothing can not strong friction, so the rotating speed of general impeller all has certain restriction, can not be too fast, simultaneously owing to be subjected to the restriction of washing machine inner space, existing washing machine is most of to drive impeller by the direct driving main shaft of drive motors, and belt pulley transmission by removing the transmission washing machine and mechanical speed change mechanism are to reach the purpose that reduces the washing machine inner space.Adopt the direct driving main shaft of drive motors to drive the direct driving motor that impeller then need be selected the high moment of torsion of the slow-speed of revolution for use, this also causes the volume of direct driving motor big, Heavy Weight, consumptive material are many, power consumption greatly, cost is than problems such as height, simultaneously along with the continuous development of washing machine industry and the continuous increase of using washing machine family quantity, for also having caused certain limitation on the washing machine driving electromotor selection.
The low torque transmission device of at present existing high rotating speed, its clutch generally all adopts machinery from external control, as Granted publication number is CN2443980Y, patent name is the Chinese patent of " decelerating clutch of washing machine that brushless electric machine directly drives ", this patent structure comprises a ratchet mechanism, ratchet mechanism comprises pawl arm, pawl arm spring, ratchet, realizes clutch function by this ratchet mechanism.And for example patent publication No. is the transmission device that the Chinese patent of CN1566480A discloses a kind of automatic washing machine, its clutch pack comprises the clutch operating motor that clutch motion required drive is provided that is arranged on the outside, rotatablely moving of clutch operating motor is converted to straight-line bindiny mechanism, the attached bar that takes off that selectively tilts according to the rectilinear motion of bindiny mechanism, place the attached shaft coupling support sector upper end of taking off bar, the slip shaft joint that on the outer peripheral face of rotor sleeve axle and lower wash axle, slides.This arrangement of clutch exists always and lacks that globality, complex structure, volume are big, control is dumb, be not easy to use and the problems such as miniaturization of product.
As Granted publication number is CN201762573U, and patent name is the Chinese patent of " use in washing machine deboost axle clutch ", as shown in Figure 1, has driving shaft 1 and propeller shaft sleeve 2, and driving shaft 1 rotates and is arranged in the propeller shaft sleeve 2, and it is fixedly connected drive motors 3 down; It is characterized in that: described driving shaft 1 has the driving shaft 11 and the output shaft 12 of the coaxial setting of above-below direction, driving shaft 11 is connected with drive motors 3, its arranged outside planetary wheeling assembly 4, planetary wheeling assembly 4 has planetary gear retainer 41, be arranged on the planetary gear retainer 41, and planetary gear 42 that is meshed with driving shaft 11 and the planetary gear external toothing 43 that is arranged on planetary gear 42 outer rings and is meshed with planetary gear 42, planetary gear external toothing 43 is connected with output shaft 12, planetary gear external toothing 43 outside socket profile of tooth clutch circles 5, spline fitted and above-below direction are slidingly connected between profile of tooth clutch circle 5 and the planetary gear external toothing 43, profile of tooth clutch circle 5 lower ends are provided with the groove tooth, profile of tooth clutch circle 5 belows are provided with the slot dish 6 of fixedlying connected with driving shaft 11, slot dish 6 is provided with the slot that matches with 5 times end slot teeth of profile of tooth clutch circle, and profile of tooth clutch circle 5 outsides are provided with solenoid 7.Though this patent adopts electromagnetic clutch to remove traditional employing machinery from the existing problem of external control, but since profile of tooth clutch circle 5 by and planetary gear external toothing 43 between the mode of spline fitted, the realization above-below direction is slidingly connected and makes that the clutch volume is big, Heavy Weight, and the voltage of pick-up voltage that this clutch is required and maintenance adhesive is higher, coil power dissipation is big, simultaneously because the clutch volume is big, Heavy Weight, the noise that produces when causing clutch state to switch is big, and the clutch installing component is vulnerable to wearing and tearing, has a strong impact on its service life.And this patent is because the simple transmission device controller that relies on is realized brake function, this not only requires high to controller technology, cause controller manufacturing cost height, simultaneously be difficult to still guarantee that tumbler finishes brake process in the very short time, especially under the situation of sudden power, can influence the braking quality of controller, have potential safety hazard, and to certain loss is arranged in service life of drive motors.In addition, existing at present power transmission apparatus of washing machines braking mechanism all is to adopt machinery to realize the power transmission apparatus of washing machines brake function from external control mechanism, is mainly the braked wheel structure, mainly comprises push rod, formulates band, braked wheel.Granted publication number is CN201003118Y, patent name is " a full automatic impeller formula decelerating clutch of washing machine ", this patent comprises on the clutch, following pallet, the planetary gear reducing gear, bi-directional locking arrangement, clutch, braking brake mechanism, it is characterized in that: its bi-directional locking arrangement is made up of the clockwise locking mechanism and the counterclockwise locking mechanism of braking braked wheel, described clockwise locking mechanism comprises the brake band of push rod and braking braked wheel, one end of brake band is fixed on the undersetting, the other end of brake band is connected on the push rod, described counterclockwise locking mechanism comprises electromagnetic actuator device and braking ring flange, electromagnetic actuator device is fixed on the undersetting or at the bottom of the washing machine on the bucket, the braking ring flange is fixedlyed connected with braked wheel; Described clutch comprises trip(ping) lever that has fixed claw and movable claw and the two ratchets that cooperate with trip(ping) lever fixed claw and movable claw, and described pair of ratchet connects braked wheel by two ratchet shafts.This braking mechanism exist always lack globality, complex structure, volume big, be not easy to use and the miniaturization of transmission device, have problems such as preparation cost height simultaneously.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of power transmission apparatus of washing machines, is particularly useful for high rotating speed, low moment of torsion power transmission apparatus of washing machines, and this transmission structures is simple, compact, volume is little, control is flexible, low cost of manufacture; Its clutch volume is little, in light weight, preparation technology is simple, the voltage of pick-up voltage and maintenance adhesive is low, coil power dissipation is little, and the transmission device noise is little, long service life; The present invention also has braking mechanism, and its braking mechanism is simply compact, volume is little, simple to operate, and preparation technology is simple, and low cost of manufacture.
Technical scheme of the present invention is:
A kind of power transmission apparatus of washing machines comprises driving shaft, propeller shaft sleeve, clutch, stator module, rotor assembly, braking mechanism, and wherein drive shaft turns is arranged in the propeller shaft sleeve, the rotation of Clutch Control driving shaft and propeller shaft sleeve, wherein:
Stator module is positioned at rotor assembly;
Rotor assembly is fixedlyed connected with described driving shaft one end by shaft coupling;
The solenoid that clutch comprises sliding part and is positioned at the sliding part outside, the external tooth of described sliding part and described propeller shaft sleeve can slide up and down to engagement;
Rotor assembly and driving shaft junction be provided with can with the meshing part of sliding part engagement, stator module be provided with can with the meshing part of sliding part engagement;
Braking mechanism comprises keep plate, brake disc and brake disc retainer, and keep plate is fixedlyed connected with propeller shaft sleeve, and brake disc is connected with the brake disc retainer, the contact that brake disc can slide up and down realization and keep plate along the propeller shaft sleeve direction with separate.
Preferably, described rotor assembly comprises: rotor case, the rotor core that is positioned at the rotor case inboard and fixedlys connected with rotor case, rotor case is connected with driving shaft one end by shaft coupling, rotor case and driving shaft junction be provided with can with the meshing part of sliding part engagement.
Preferably, described stator module comprises: stator core, be wrapped in the coil on the stator core, and the stator retainer of stator core fixed installation usefulness, the stator retainer be provided with can with the meshing part of sliding part engagement.
Preferably, comprise driving shaft, propeller shaft sleeve, clutch, stator module, rotor assembly, braking mechanism, wherein drive shaft turns is arranged in the propeller shaft sleeve, the rotation of Clutch Control driving shaft and propeller shaft sleeve, wherein:
Described driving shaft comprises line shaft and the output shaft with the coaxial setting of above-below direction, and line shaft is used to receive the rotor assembly revolving force, and output shaft is used to connect impeller and it exports revolving force mutually;
Described propeller shaft sleeve comprises input axle sleeve and the output sleeve with the coaxial setting of above-below direction;
Stator module is positioned at rotor assembly;
Rotor assembly is fixedlyed connected with described line shaft end by shaft coupling;
The solenoid that clutch comprises sliding part and is positioned at the sliding part outside, described sliding part can slide up and down to engagement with the external tooth of input axle sleeve;
Rotor assembly and line shaft junction be provided with can with the meshing part of sliding part engagement, stator module be provided with can with the meshing part of sliding part engagement;
Braking mechanism comprises keep plate, brake disc and brake disc retainer, and keep plate is fixedlyed connected with propeller shaft sleeve, and brake disc is connected with the brake disc retainer, the contact that brake disc can slide up and down realization and keep plate along the propeller shaft sleeve direction with separate;
Also comprise planetary wheeling assembly, comprise the planetary gear retainer, planetary gear retainer and output shaft engagement, be arranged on the planetary gear retainer and planetary gear that is meshed with line shaft and the planetary gear external toothing that is arranged on the planetary gear outer ring and is meshed with planetary gear, the planetary gear external toothing is fixedlyed connected with output sleeve by planetary gear external toothing fixed mount, and the input axle sleeve is fixedlyed connected with planetary gear external toothing fixed mount by planetary gear external toothing cover plate.
Preferably, described rotor assembly comprises: rotor case, the rotor core that is positioned at the rotor case inboard and fixedlys connected with rotor case, rotor case is connected with the line shaft end by shaft coupling, rotor case and line shaft junction be provided with can with the meshing part of sliding part engagement.
Preferably, shaft coupling is connected with the driving shaft spline fitted, and shaft coupling is fixedlyed connected by the riveted joint mode with rotor case.
Preferably, what rotor assembly and driving shaft junction were provided with can be positioned on the shaft coupling with the meshing part of sliding part engagement, with shaft coupling be integral structure, can be the split-type structural of fixedlying connected also with shaft coupling.
Power transmission apparatus of washing machines provided by the invention is particularly useful for the power transmission apparatus of washing machines of the high moment of torsion of the slow-speed of revolution, can certainly be applied to the power transmission apparatus of washing machines of the high moment of torsion of the slow-speed of revolution.
Preferably, described stator module comprises: stator core, be wrapped in the coil on the stator core, and the stator retainer of stator core fixed installation usefulness, the stator retainer be provided with can with the meshing part of sliding part engagement.
Preferably, compact more in order to make transmission structures, described keep plate directly adopts planetary gear external toothing cover plate, and described brake disc retainer is the stator retainer.
Preferably, the engagement system of the meshing part of described rotor assembly and driving shaft junction and sliding part is the engagement of groove tooth.
Preferably, the engagement system of meshing part on the described stator module and sliding part is the engagement of groove tooth.
Preferably, described sliding part is the clutch gear ring, and clutch gear ring upper and lower side is evenly distributed with the groove tooth.
Preferably, clutch also comprises elastic reseting part, and elastic reseting part is socketed in outside the propeller shaft sleeve and is positioned at described sliding part.
Shaft coupling of the present invention can be spline housing, and spline housing is made by kirsite, also can be made by non-magnet materials such as aluminium alloy or plastics.
Preferably, sliding part of the present invention and propeller shaft sleeve are spline engagement.
Preferably, described solenoid comprises that by armature and winding coil, wherein, winding coil is positioned at armature.
Preferably, in order to realize normally sliding up and down of clutch gear ring, guarantee that its accurate clutch state switches, clutch also comprises elastic reseting part, and elastic reseting part is socketed in outside the input axle sleeve and is positioned at described clutch gear ring.When finishing washing step, after the solenoid outage, the clutch gear ring is under the elastic acting force of elastic reseting part, the meshing part that breaks away from the stator retainer slides downwards along the input axle sleeve, meshing part engagement with line shaft and rotor case junction, by fixedly connected planetary gear external toothing cover plate and planetary gear external toothing fixed mount, thereby the rotation synchronously of output sleeve and output shaft enters dehydration.
Preferably, described sliding part comprises the non-magnetic conductive part that is positioned at outside magnetic conductive part and is positioned at inside, magnetic conductive part and non-magnetic conductive part are connected to one, and the external tooth of non-magnetic conductive part and propeller shaft sleeve can slide up and down to engagement, and magnetic conductive part can mesh with the meshing part on the stator module.Sliding part of the present invention is owing to need be coupled with solenoid; under the solenoid "on" position; sliding part be subjected to solenoid to its driving force upwards slide with stator module on the meshing part engagement; and because sliding part of the present invention and propeller shaft sleeve engagement; again since propeller shaft sleeve in order to ensure its rigidity intensity; but so generally adopt making of permeability magnetic material; but and if under the situation that the mate material of sliding part and propeller shaft sleeve is made by permeability magnetic material; propeller shaft sleeve also can be subjected to the active force of solenoid to it; this will cause sliding part can't be implemented under the solenoid "on" position; sliding part be subjected to solenoid to its driving force upwards slide with stator module on the operation of meshing part engagement; probably cause clutch to be lost efficacy; so sliding part of the present invention is formed by being positioned at outside magnetic conductive part and being positioned at inner non-magnetic conductive part two parts; the external tooth of non-magnetic conductive part and propeller shaft sleeve can slide up and down to engagement; magnetic conductive part can mesh with the meshing part on the stator module; when guaranteeing that sliding part can be subjected to solenoid to its driving force; solenoid can not produce driving force to propeller shaft sleeve, guarantees the accurate switching of power transmission apparatus of washing machines clutch on-off state.Therefore, compare with existing power transmission apparatus of washing machines clutch, accurate more and flexible when transmission device of the present invention is carried out clutch work.
Preferably, described clutch gear ring comprises the non-magnetic conductive part that is positioned at outside magnetic conductive part and is positioned at inside, magnetic conductive part and non-magnetic conductive part are connected to one, and the external tooth of non-magnetic conductive part and propeller shaft sleeve can slide up and down to engagement, and magnetic conductive part can mesh by the groove tooth with the meshing part on the stator module.
Preferably, non-magnetic conductive part can adopt non-magnet materials such as brass, zinc to be prepared from.
Preferably, the position that sliding part of the present invention can mesh with the meshing part of rotor assembly and driving shaft junction both can be set in place the magnetic conductive part bottom in the outside, also can be set in place the non-magnetic conductive part bottom in inside.This is because shaft coupling of the present invention is generally made by non-magnet materials such as kirsite, aluminium alloy or plastics, therefore sliding part of the present invention is chosen in the magnetic conductive part bottom that is positioned at the outside and is provided with the groove toothing that can mesh with the meshing part of rotor assembly and driving shaft junction, and the clutch state that can not influence sliding part switches; Be chosen in the non-magnetic conductive part bottom that is positioned at inside and be provided with the groove toothing that can mesh with the meshing part of rotor assembly and driving shaft junction, the clutch state that also can not influence sliding part switches; Can freely select according to actual processing technology.
Preferably, described brake disc below is provided with one or more boss, and back-moving spring is installed on the boss; The brake disc below also is provided with solenoid, solenoid and brake disc coupling; Described brake disc also comprises brake block, and brake block is positioned at the brake disc top, fixedlys connected with brake disc to be integral.
The implementation result of table 1 the present invention and prior art relatively
Figure BSA00000497927100071
Operation principle of the present invention: under the washing state, the solenoid energising, sliding part breaks away from driving shaft and rotor assembly junction under solenoid drives meshing part upwards slides along propeller shaft sleeve, with the meshing part engagement on the stator module, propeller shaft sleeve is motionless, the driving shaft rotation realizes washing step; Under the dewatering state, solenoid outage, sliding part lose solenoid its driving force is broken away from meshing part on the stator module along propeller shaft sleeve to lower slider, mesh with the meshing part of driving shaft and rotor assembly junction, propeller shaft sleeve and driving shaft rotate synchronously, realize dehydration; Brake disc is subjected to the attraction of solenoid to it simultaneously, overcomes back-moving spring elastic force, breaks away from keep plate along the brake disc retainer to lower slider; After dehydration is finished, the solenoid outage, brake disc loses the attraction of solenoid to it, and brake disc is subjected to back-moving spring elastic force, upwards slides along the brake disc retainer, and brake block on the brake disc and keep plate CONTACT WITH FRICTION realize brake function.
Advantage of the present invention: the present invention installs electromagnetic clutch in adopting between stator module and rotor assembly, omitted the mechanical mechanism of existing power transmission apparatus of washing machines clutch employing from external control, simple in structure, compact, volume is little, precise control is flexible, low cost of manufacture, and the clutch volume is little, in light weight, preparation technology is simple, the voltage of pick-up voltage and maintenance adhesive is low, coil power dissipation is little, and the transmission device noise is little, long service life.The present invention simultaneously also has braking mechanism, having eliminated existing direct driving motor does not need to be provided with the prejudice of braking mechanism, braking mechanism integral body of the present invention is positioned at power transmission apparatus of washing machines, realize brake function by solenoid controlled, cancelled existing employing machinery from external control mechanism, as structures such as push rod, brake bands, simple and compact for structure, volume is little, simple to operate, preparation technology is simple, and low cost of manufacture; Simultaneously braking mechanism provided by the invention in the course of the work, brake disc only slides up and down along the brake disc retainer, does not produce rotation, has guaranteed the safety and the reliability of brake, has reduced the loss to drive motors simultaneously, has prolonged the service life of transmission device.
Description of drawings
Accompanying drawing 1 is the structural representation of CN201762573U;
Accompanying drawing 2 is structural representations of the embodiment of the invention 1;
Accompanying drawing 3 is structural representations of the embodiment of the invention 2;
Accompanying drawing 4 is structural representations of the clutch gear ring of accompanying drawing 2 or accompanying drawing 3;
Accompanying drawing 5 is sectional perspective explosive views of the embodiment of the invention 1 or embodiment 2;
Accompanying drawing 6 is structural representations of the clutch gear ring of the embodiment of the invention 3;
Accompanying drawing 7 is three-dimensional exploded perspective views of accompanying drawing 6.
Accompanying drawing 8 is structural representations of the braking mechanism of the embodiment of the invention 1 or embodiment 2;
Accompanying drawing 9 is sectional perspective explosive views of accompanying drawing 8 of the present invention;
The specific embodiment
Below in conjunction with drawings and Examples the present invention is described in further detail:
Embodiment 1, as Fig. 2, Fig. 4, Fig. 5, Fig. 8 and shown in Figure 9, a kind of power transmission apparatus of washing machines, comprise driving shaft 21, propeller shaft sleeve 22, clutch 23, stator module 24, rotor assembly 25, braking mechanism 30, wherein driving shaft 21 rotates and is arranged in the propeller shaft sleeve 22, the rotation of clutch 23 control driving shafts 21 and propeller shaft sleeve 22, wherein: stator module 24 is positioned at rotor assembly 25; The solenoid 232 that clutch 23 comprises clutch gear ring 2310 and is positioned at clutch gear ring 2310 outsides, described clutch gear ring 2310 comprises the non-magnetic conductive part 2311 that is positioned at outside magnetic conductive part 2312 and is positioned at inside, magnetic conductive part 2312 and non-magnetic conductive part 2311 are connected to one, non-magnetic conductive part 2311 can slide up and down to engagement with the external tooth of propeller shaft sleeve 22, non-magnetic conductive part 2311 lower ends are evenly distributed with the groove tooth simultaneously, and magnetic conductive part 2312 upper ends are evenly distributed with the groove tooth; Clutch 23 also comprises elastic reseting part 233, and elastic reseting part 233 is socketed in outside the propeller shaft sleeve 22 and is positioned at described clutch gear ring 2310; Described rotor assembly 25 comprises: rotor case 251, the rotor core 252 that is positioned at rotor case 251 inboards and fixedlys connected with rotor case 251, rotor case 251 is connected with driving shaft 21 1 ends by shaft coupling 26, wherein, shaft coupling 26 is connected with driving shaft 21 1 end spline fitted, shaft coupling 26 is fixedlyed connected by the riveted joint mode with rotor case 251, shaft coupling 26 is provided with the meshing part 27 that can mesh with the groove tooth that non-magnetic conductive part 2311 lower ends distribute, meshing part 27 and the split-type structural of shaft coupling 26 for fixedlying connected; Described stator module 24 comprises: therefrom the mind-set external cylindrical surface form magnetic pole a plurality of circumference casts the stator core that stacks 241 and be wrapped in coil 242 on the magnetic pole, and the stator retainer 243 of stator core 241 fixed installation usefulness, stator retainer 243 is provided with the meshing part 28 that can mesh with the groove tooth that magnetic conductive part 2312 upper ends distribute; Described braking mechanism 30 comprises keep plate 301, brake disc 302 and brake disc retainer 303, keep plate 301 is fixedlyed connected with propeller shaft sleeve 22, brake disc 302 is connected with brake disc retainer 303, described brake disc retainer 303 is a stator retainer 243, the contact that brake disc 302 can slide up and down realization and keep plate 301 along propeller shaft sleeve 22 directions with separate; Described brake disc 302 belows are provided with 4 boss 304, and back-moving spring 305 is installed on the boss 304; Brake disc 302 belows also are provided with solenoid 306, solenoid 306 and brake disc 302 couplings; Described brake disc 302 comprises brake block 307, and brake block 307 is positioned at brake disc 302 tops, fixedlys connected with brake disc 302 to be integral; Described solenoid 306 comprises winding coil 3061 and armature 3062, and winding coil 3061 is positioned at armature 3062 inside; Boss 304 evenly distributes on brake disc 302 circumferencial directions; Brake disc 302 can slide up and down along stator retainer 243.
Embodiment 2, as Fig. 3, Fig. 4, Fig. 5, Fig. 8 and shown in Figure 9, a kind of power transmission apparatus of washing machines, comprise driving shaft 21, propeller shaft sleeve 22, clutch 23, stator module 24, rotor assembly 25, braking mechanism 30, wherein driving shaft 21 rotates and is arranged in the propeller shaft sleeve 22, the rotation of clutch 23 control driving shafts 21 and propeller shaft sleeve 22, wherein: described driving shaft 21 comprises line shaft 211 and the output shaft 212 with the coaxial setting of above-below direction, line shaft 211 is used to receive rotor assembly 25 revolving forces, and output shaft 212 is used to connect impeller and it exports revolving force mutually; Described propeller shaft sleeve 22 comprises input axle sleeve 221 and the output sleeve 222 with the coaxial setting of above-below direction; Stator module 24 is positioned at rotor assembly 25; The solenoid 232 that clutch 23 comprises clutch gear ring 2310 and is positioned at clutch gear ring 2310 outsides, described clutch gear ring 2310 comprises the non-magnetic conductive part 2311 that is positioned at outside magnetic conductive part 2312 and is positioned at inside, magnetic conductive part 2312 and non-magnetic conductive part 2311 are connected to one, non-magnetic conductive part 2311 can slide up and down to engagement with the external tooth of input axle sleeve 221, non-magnetic conductive part 2311 lower ends are evenly distributed with the groove tooth simultaneously, and magnetic conductive part 2312 upper ends are evenly distributed with the groove tooth; Clutch 23 also comprises elastic reseting part 233, and elastic reseting part 233 is socketed in outside the input axle sleeve 221 and is positioned at described clutch gear ring 2310; Also comprise planetary wheeling assembly 29, comprise planetary gear retainer 291, planetary gear retainer 291 and output shaft 212 engagements, be arranged on the planetary gear retainer 291 and planetary gear 292 that is meshed with line shaft 211 and the planetary gear external toothing 293 that is arranged on planetary gear 292 outer rings and is meshed with planetary gear 292, planetary gear external toothing 293 is fixedlyed connected with output sleeve 222 by planetary gear external toothing fixed mount 294, and input axle sleeve 221 is fixedlyed connected with planetary gear external toothing fixed mount 294 by planetary gear external toothing cover plate 295; Described rotor assembly 25 comprises: rotor case 251, the rotor core 252 that is positioned at rotor case 251 inboards and fixedlys connected with rotor case 251, rotor case 251 is connected with line shaft 211 ends by shaft coupling 26, wherein, shaft coupling 26 is connected with line shaft 211 end spline fitted, shaft coupling 26 is fixedlyed connected by the riveted joint mode with rotor case 251, shaft coupling 26 is provided with the meshing part 27 that can mesh with the groove tooth that non-magnetic conductive part 2311 lower ends distribute, and meshing part 27 is an integral structure with shaft coupling 26; Described stator module 24 comprises: therefrom the mind-set external cylindrical surface form magnetic pole a plurality of circumference casts the stator core that stacks 241 and be wrapped in coil 242 on the magnetic pole, and the stator retainer 243 of stator core 241 fixed installation usefulness, stator retainer 243 is provided with the meshing part 28 of the groove tooth engagement that distributes with magnetic conductive part 2312 upper ends; Described braking mechanism 30 comprises keep plate 301, brake disc 302 and brake disc retainer 303, keep plate 301 is fixedlyed connected with propeller shaft sleeve 22, brake disc 302 is connected with brake disc retainer 303, described keep plate 301 is a planetary gear external toothing cover plate 295, described brake disc retainer 303 is a stator retainer 243, the contact that brake disc 302 can slide up and down realization and planetary gear external toothing cover plate 295 along propeller shaft sleeve 22 directions with separate; Described brake disc 302 belows are provided with 4 boss 304, and back-moving spring 305 is installed on the boss 304; Brake disc 302 belows also are provided with solenoid 306, solenoid 306 and brake disc 302 couplings; Described brake disc 302 comprises brake block 307, and brake block 307 is positioned at brake disc 302 tops, fixedlys connected with brake disc 302 to be integral; Described solenoid 306 comprises winding coil 3061 and armature 3062, and winding coil 3061 is positioned at armature 3062 inside; Boss 304 evenly distributes on brake disc 302 circumferencial directions; Brake disc 302 can slide up and down along stator retainer 243.
Embodiment 3, as shown in Figure 6 and Figure 7, a kind of power transmission apparatus of washing machines, wherein, described shaft coupling 26 is made by non-magnet material; Described clutch gear ring 2310 comprises the non-magnetic conductive part 2311 that is positioned at outside magnetic conductive part 2312 and is positioned at inside, magnetic conductive part 2312 and non-magnetic conductive part 2311 are connected to one, non-magnetic conductive part 2311 can slide up and down to engagement with the external tooth of input axle sleeve 221, and magnetic conductive part 2312 top and bottom are evenly distributed with the groove tooth; Shaft coupling 26 is provided with the meshing part 27 that can mesh with the groove tooth that magnetic conductive part 2312 lower ends distribute, and meshing part 27 is an integral structure with shaft coupling 26; Stator retainer 243 is provided with the meshing part 28 of the groove tooth engagement that distributes with magnetic conductive part 2312 upper ends, and all the other are with embodiment 2.
Further explain operation principle of the present invention by embodiment 2: under the washing state, solenoid 232 energisings, clutch gear ring 2310 is subjected to solenoid 232 and its driving force is overcome the meshing part 27 that the elastic force of elastic reseting part 233 breaks away from the shaft coupling 26 upwards slides along input axle sleeves 221, with meshing part 28 engagements on the stator retainer 243, input axle sleeve 221 and output sleeve 222 are motionless, line shaft 211 is realized the speed change transmission of output shaft 212 by driving planetary gear 292, realizes washing step; Under the dewatering state, solenoid 232 outages, clutch gear ring 2310 loses the driving force of solenoid 232 to it, and axle sleeves 221 are imported to lower slider in meshing part 28 edges that the Flexible Reset power that is subjected to elastic reseting part 233 breaks away from the stator retainer 243, with meshing part 27 engagements on the shaft coupling 26, by fixedly connected planetary gear external toothing cover plate 295 and planetary gear external toothing fixed mount 294, output sleeve 222 rotates synchronously with output shaft 212, realizes dehydration; Under dewatering state, brake disc 302 is subjected to the attraction of solenoid 306 to it, overcomes back-moving spring 305 elastic force simultaneously, breaks away from planetary gear external toothing cover plate 295 along stator retainer 243 to lower slider; After dehydration is finished, solenoid 306 outages, brake disc 302 loses the attraction of solenoid 306 to it, brake disc 302 is subjected to back-moving spring 305 elastic force, upwards slide along stator retainer 243, brake block 307 and planetary gear external toothing cover plate 295 CONTACT WITH FRICTION on the brake disc 302 are realized quick brake function.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included in protection scope of the present invention.

Claims (12)

1. power transmission apparatus of washing machines, comprise driving shaft (21), propeller shaft sleeve (22), clutch (23), stator module (24), rotor assembly (25), braking mechanism (30), wherein driving shaft (21) rotates and is arranged in the propeller shaft sleeve (22), the rotation of clutch (23) control driving shaft (21) and propeller shaft sleeve (22) is characterized in that:
Stator module (24) is positioned at rotor assembly (25);
Rotor assembly (25) is fixedlyed connected with described driving shaft (21) one ends by shaft coupling (26);
Clutch (23) comprises sliding part (231) and is positioned at the outside solenoid (232) of sliding part (231) that described sliding part (231) can slide up and down to engagement with the external tooth of described propeller shaft sleeve (22);
Rotor assembly (25) and driving shaft (21) junction be provided with can with the meshing part (27) of sliding part (231) engagement, stator module (24) be provided with can with the meshing part (28) of sliding part (231) engagement;
Braking mechanism (30) comprises keep plate (301), brake disc (302) and brake disc retainer (303), keep plate (301) is fixedlyed connected with propeller shaft sleeve (22), brake disc (302) is connected with brake disc retainer (303), brake disc (302) can along propeller shaft sleeve (22) direction slide up and down realize with the contact of keep plate (301) with separate.
2. a kind of power transmission apparatus of washing machines as claimed in claim 1, it is characterized in that: described rotor assembly (25) comprising: rotor case (251), the rotor core (252) that is positioned at rotor case (251) inboard and fixedlys connected with rotor case (251), rotor case (251) is connected with driving shaft (21) one ends by shaft coupling (26), and rotor case (251) and driving shaft (21) junction are provided with the meshing part (27) that can mesh with sliding part (231).
3. a kind of power transmission apparatus of washing machines as claimed in claim 1, it is characterized in that: described stator module (24) comprising: stator core (241), be wrapped in the coil (242) on the stator core (241), and the stator retainer (243) of stator core (241) fixed installation usefulness, stator retainer (243) be provided with can with the meshing part (28) of sliding part (231) engagement.
4. a kind of power transmission apparatus of washing machines as claimed in claim 1, comprise driving shaft (21), propeller shaft sleeve (22), clutch (23), stator module (24), rotor assembly (25), braking mechanism (30), wherein driving shaft (21) rotates and is arranged in the propeller shaft sleeve (22), the rotation of clutch (23) control driving shaft (21) and propeller shaft sleeve (22) is characterized in that:
Described driving shaft (21) comprises line shaft (211) and the output shaft (212) with the coaxial setting of above-below direction, and line shaft (211) is used to receive rotor assembly (25) revolving force, and output shaft (212) is used to connect impeller and it exports revolving force mutually;
Described propeller shaft sleeve (22) comprises input axle sleeve (221) and the output sleeve (222) with the coaxial setting of above-below direction;
Stator module (24) is positioned at rotor assembly (25);
Rotor assembly (25) is fixedlyed connected with described line shaft (211) end by shaft coupling (26);
Clutch (23) comprises sliding part (231) and is positioned at the outside solenoid (232) of sliding part (231) that described sliding part (231) can slide up and down to engagement with the external tooth of input axle sleeve (221);
Rotor assembly (25) and line shaft (211) junction be provided with can with the meshing part (27) of sliding part (231) engagement, stator module (24) be provided with can with the meshing part (28) of sliding part (231) engagement;
Braking mechanism (30) comprises keep plate (301), brake disc (302) and brake disc retainer (303), keep plate (301) is fixedlyed connected with propeller shaft sleeve (22), brake disc (302) is connected with brake disc retainer (303), brake disc (302) can along propeller shaft sleeve (22) direction slide up and down realize with the contact of keep plate (301) with separate.
Also comprise planetary wheeling assembly (29), comprise planetary gear retainer (291), planetary gear retainer (291) and output shaft (212) engagement, be arranged on the planetary gear retainer (291), and planetary gear (292) that is meshed with line shaft (211) and the planetary gear external toothing (293) that is arranged on planetary gear (292) outer ring and is meshed with planetary gear (292), planetary gear external toothing (293) is fixedlyed connected with output sleeve (222) by planetary gear external toothing fixed mount (294), and input axle sleeve (221) is fixedlyed connected with planetary gear external toothing fixed mount (294) by planetary gear external toothing cover plate (295).
5. a kind of power transmission apparatus of washing machines as claimed in claim 4, it is characterized in that: described rotor assembly (25) comprising: rotor case (251), the rotor core (252) that is positioned at rotor case (251) inboard and fixedlys connected with rotor case (251), rotor case (251) is connected with line shaft (211) end by shaft coupling (26), and rotor case (251) and line shaft (211) junction are provided with the meshing part (27) that can mesh with sliding part (231).
6. a kind of power transmission apparatus of washing machines as claimed in claim 4, it is characterized in that: described stator module (24) comprising: stator core (241), be wrapped in the coil (242) on the stator core (241), and the stator retainer (243) of stator core (241) fixed installation usefulness, stator retainer (243) be provided with can with the meshing part (28) of sliding part (231) engagement.
7. a kind of power transmission apparatus of washing machines as claimed in claim 4 is characterized in that: described keep plate (301) is a planetary gear external toothing cover plate (295).
8. as claim 3 or 6 described a kind of power transmission apparatus of washing machines, it is characterized in that: described brake disc retainer (303) is a stator retainer (243).
9. as claim 1 or 4 described a kind of power transmission apparatus of washing machines, it is characterized in that: described sliding part (231) is a clutch gear ring (2310), and clutch gear ring (2310) upper and lower side is evenly distributed with the groove tooth.
10. as claim 1 or 4 described a kind of power transmission apparatus of washing machines, it is characterized in that: clutch (23) also comprises elastic reseting part (233), and elastic reseting part (233) is socketed in outside the propeller shaft sleeve (22) and is positioned at described sliding part (231).
11. as claim 1 or 4 described a kind of power transmission apparatus of washing machines, it is characterized in that: described sliding part (231) comprises the non-magnetic conductive part (2311) that is positioned at outside magnetic conductive part (2312) and is positioned at inside, magnetic conductive part (2312) and non-magnetic conductive part (2311) are connected to one, non-magnetic conductive part (2311) can slide up and down to engagement with the external tooth of propeller shaft sleeve (22), and magnetic conductive part (2312) can mesh with the meshing part (28) on the stator module (24).
12. as claim 1 or 4 described a kind of power transmission apparatus of washing machines, it is characterized in that: described brake disc (302) below is provided with one or more boss (304), and back-moving spring (305) is installed on the boss (304); Brake disc (302) below also is provided with solenoid (306), solenoid (306) and brake disc (302) coupling; Described brake disc (302) also comprises brake block (307), and brake block (307) is positioned at brake disc (302) top, fixedlys connected with brake disc (302) to be integral.
CN 201110128108 2011-05-18 2011-05-18 Transmission device of washing machine Expired - Fee Related CN102206914B (en)

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Cited By (7)

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Publication number Priority date Publication date Assignee Title
CN102877266A (en) * 2012-10-17 2013-01-16 常州至精精机有限公司 Electromagnetic clutch mechanism with motor and speed reduction clutch assembly
CN102877267A (en) * 2012-10-17 2013-01-16 常州至精精机有限公司 Motor and decelerating clutch component
CN104727085A (en) * 2013-12-23 2015-06-24 安徽聚隆传动科技股份有限公司 Electromagnetic clutch structure of washing machine
CN104846591A (en) * 2015-05-18 2015-08-19 江苏联动轴承有限公司 Large-capacity direct-drive variable-frequency dual-purpose clutch
CN104928887A (en) * 2015-05-18 2015-09-23 江苏联动轴承有限公司 Stopping structure clutch without brake band
EP3739102A4 (en) * 2018-05-29 2021-05-19 Wuxi Little Swan Electric Co., Ltd. Brake used for drum clothes washing machine, and drum clothes washing machine
WO2024080502A1 (en) * 2022-10-14 2024-04-18 삼성전자주식회사 Clothes treatment apparatus

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CN201762573U (en) * 2010-08-02 2011-03-16 常州至精精机有限公司 Speed reducing shaft clutch for washing machine
CN202148430U (en) * 2011-05-18 2012-02-22 常州至精精机有限公司 Washer transmission device

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KR100962073B1 (en) * 2009-11-24 2010-06-09 주식회사 성인전자 The structure of clutch assembly of full automatic washer by single type moter
CN201762573U (en) * 2010-08-02 2011-03-16 常州至精精机有限公司 Speed reducing shaft clutch for washing machine
CN202148430U (en) * 2011-05-18 2012-02-22 常州至精精机有限公司 Washer transmission device

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102877266A (en) * 2012-10-17 2013-01-16 常州至精精机有限公司 Electromagnetic clutch mechanism with motor and speed reduction clutch assembly
CN102877267A (en) * 2012-10-17 2013-01-16 常州至精精机有限公司 Motor and decelerating clutch component
CN102877266B (en) * 2012-10-17 2015-12-30 常州至精精机有限公司 The electromagnetic clutch mechanism of a kind of motor and speed-reducing clutch assembly
CN102877267B (en) * 2012-10-17 2015-12-30 常州至精精机有限公司 A kind of motor and speed-reducing clutch assembly
CN104727085A (en) * 2013-12-23 2015-06-24 安徽聚隆传动科技股份有限公司 Electromagnetic clutch structure of washing machine
CN104727085B (en) * 2013-12-23 2018-08-14 安徽聚隆传动科技股份有限公司 A kind of control flow of washing machine electromagnetic clutch
CN104846591A (en) * 2015-05-18 2015-08-19 江苏联动轴承有限公司 Large-capacity direct-drive variable-frequency dual-purpose clutch
CN104928887A (en) * 2015-05-18 2015-09-23 江苏联动轴承有限公司 Stopping structure clutch without brake band
EP3739102A4 (en) * 2018-05-29 2021-05-19 Wuxi Little Swan Electric Co., Ltd. Brake used for drum clothes washing machine, and drum clothes washing machine
US11384471B2 (en) 2018-05-29 2022-07-12 Wuxi Little Swan Electric Co., Ltd. Brake for drum washing machine and drum washing machine
WO2024080502A1 (en) * 2022-10-14 2024-04-18 삼성전자주식회사 Clothes treatment apparatus

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