CN104420130B - A kind of automatic reduction clutch of washing machine braked wheel - Google Patents

A kind of automatic reduction clutch of washing machine braked wheel Download PDF

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Publication number
CN104420130B
CN104420130B CN201310382895.5A CN201310382895A CN104420130B CN 104420130 B CN104420130 B CN 104420130B CN 201310382895 A CN201310382895 A CN 201310382895A CN 104420130 B CN104420130 B CN 104420130B
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China
Prior art keywords
planetary gear
wheel
clutch
washing machine
braked wheel
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CN201310382895.5A
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CN104420130A (en
Inventor
曹春华
于成芬
王绍华
郭小春
王兆贤
张莎
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Wolong Electric Jinan Motor Co ltd
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Wolong Electric Zhangqiu Haier Motor Co Ltd
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30Driving arrangements 

Abstract

The present invention relates to a kind of automatic reduction clutch of washing machine braked wheel, it is made up of lid, braked wheel lower cover, upper planetary gear mechanism and lower planetary gear mechanism on braked wheel, described first output shaft and the second output shaft are separately positioned on lid and described upper planetary gear mechanism on described braked wheel.Present configuration is relatively easy, deft design, it is possible to decrease assembly difficulty, and then reduces production cost.Washing machine automatic conversion between washing and dehydration condition, brake force is more stable, and then can improve reliability, balance and the stability of washing machine driving, improves washing of drum type washing machine efficiency, reduces washing machine noise.

Description

A kind of automatic reduction clutch of washing machine braked wheel
Technical field
The present invention relates to a kind of automatic reduction clutch of washing machine braked wheel.
Background technology
The prevailing operating state of two-power washing machine is divided into washing operating mode and dehydration condition.When washing operating mode, impeller With inner core backwards rotation, water and medicated clothing is driven to rotate and carry out washing work;And in dehydration condition, impeller and inner core Synchronous axial system, clothes dewatering is dried, and completes above two operating mode in order to reach under the driving of a motor, Typically clutch all can be set in washing machine.
With being gradually improved of motor frequency conversion technology in recent years, market is proposed direct driving motor washing machine, and it changes biography The belt transmission connected mode of system, is directly connected motor, due to concentric reason, makes with the input shaft of washing machine The operating noise obtaining washing machine substantially reduces, by the favorable comment in market.But existing straight drive machine is joined with speed-reducing clutch Close structure more complicated, required precision is high, assembly difficulty is larger, and therefore production cost is higher.
Content of the invention
Present invention is primarily aimed at solving the above problems and not enough, providing a kind of raising to wash efficiency, reducing laundry Machine noise, and assembly difficulty can be reduced, and then reduce the automatic reduction clutch of washing machine braked wheel of production cost.
For achieving the above object, the technical scheme is that:
A kind of automatic reduction clutch of washing machine braked wheel, by lid, braked wheel lower cover, upper planet tooth on braked wheel Wheel mechanism and lower planetary gear mechanism composition, described first output shaft and the second output shaft are separately positioned on described braking On wheel lid and described upper planetary gear mechanism on.
Further, on described braked wheel, a circulus is protruded in the upper end of lid, ties for dentation inside described circulus Structure, described circulus is connected with inner tank of washing machine as described first output shaft.
Further, described upper planetary gear mechanism by upper planet wheel upper cover plate, upper planet wheel lower cover, upper centre tooth, Upper planet axle, upper planet wheel and upper planet wheel external toothing are constituted, and described upper planet wheel at least two is simultaneously centered around described Around upper centre tooth, on described, the center of centre tooth has upper shaft hole, and described drive shaft inserts described upper shaft hole, Described drive shaft turns drive described upper centre tooth to rotate, multiple described upper planet wheels respectively with described upper centre tooth and Described upper planet wheel external toothing engagement, the two ends of described upper planet axle and described upper planet wheel upper cover plate and upper planet wheel Lower cover is fixedly connected, and described upper planet wheel is rotated with described upper planet axle and is connected.
Further, inside described upper planet wheel upper cover plate upper end, there is dentalation, described dentalation is as institute State the second output shaft to be connected with agitation wheel for washing machine.
Further, described lower planetary gear mechanism by lower planetary gear upper cover plate, lower planetary gear lower cover, lower centre tooth, Lower planet axle, lower planetary gear and lower planetary gear external toothing composition, described lower planetary gear upper cover plate and described upper planet wheel External toothing close-fitting, described lower planetary gear is at least two and is centered around around described lower centre tooth, described lower in The center of heart tooth has lower shaft hole, and described drive shaft passes through described lower shaft hole, under described drive shaft turns drive is described Centre tooth rotates, and described lower planetary gear is engaged with described lower centre tooth and described lower planetary gear external toothing respectively, described Lower planetary gear external toothing close-fitting inside the upper end of described braked wheel lower cover, the two ends of described lower planet axle with described under Planetary gear upper cover plate is fixedly connected with lower planetary gear lower cover, and described lower planetary gear is rotated with described lower planet axle and is connected.
Further, the bottom border of described braked wheel lower cover is uniformly provided with least 2 dentation projective structures, described dentation The projective structure and arrangement of clutch cooperation mutual clamping in dehydration forms one, the lower end inside of described braked wheel lower cover With clutch shaft bearing close-fitting.
Further, it is the circular ring structure protruding on the downside of described lower planetary gear lower cover, in the inner side of described circular ring structure It is fastened with lower planetary gear axes sleeve, in the outside of described circular ring structure and described clutch shaft bearing close-fitting, described lower planet The end of wheel axes sleeve has the 3rd spline structure, and described 3rd spline structure and described arrangement of clutch cooperation are in washing When mutual clamping form one, described lower planetary gear axes sleeve is connected with described drive shaft.
In sum, a kind of automatic reduction clutch of washing machine braked wheel provided by the present invention, structure is relatively simple Single, deft design, it is possible to decrease assembly difficulty, and then reduce production cost.In washing, braked wheel is in completely The state unclamped, the motor of washing machine drives that drive shaft is two-way to be rotated repeatedly, by upper planetary gear mechanism and descending The deceleration of star gear mechanism, makes the first output shaft and the second output shaft be back-driven into simultaneously, and then drives interior respectively Cylinder and impeller rotate in the opposite direction, are formed and turn to the contrary and certain power output of gear ratio, complete high-effectly The washing procedure of Dual Drive, makes clean result even more ideal.And in dehydration, braked wheel is braked completely, motor One direction continuously runs on demand, and the first output shaft and the second output shaft operate in the same direction at the same speed, complete centrifuge dehydration journey Sequence.Washing machine automatic conversion between washing and dehydration condition, brake force is more stable, and then can improve laundry Reliability, balance and stability that machine drives, improve washing of drum type washing machine efficiency, reduce washing machine noise.
Brief description
Fig. 1 is clutch configuration total figure of the present invention;
Fig. 2 is clutch tooth structural representation under the present invention;
Fig. 3 is the A-A sectional view of Fig. 2;
Fig. 4 is braked wheel structural representation of the present invention;
Fig. 5 is braked wheel superstructure schematic diagram of the present invention;
Fig. 6 is the lateral view of Fig. 5;
Fig. 7 is braked wheel lower cover structure schematic diagram of the present invention;
Fig. 8 is the left view of Fig. 7;
Fig. 9 is upper planetary gear mechanism structure schematic diagram of the present invention;
Figure 10 is upper planet gear ring structure schematic diagram of the present invention;
Figure 11 is the lateral view of Figure 10;
Figure 12 is lower planetary gear mechanism structure schematic diagram of the present invention;
Figure 13 is lower planet gear ring structure schematic diagram of the present invention;
Figure 14 is lower planetary gear axes sleeve structural representation of the present invention;
Figure 15 is the top view of Figure 14;
Figure 16 is arrangement of clutch structural representation of the present invention;
Figure 17 is arrangement of clutch top view of the present invention;
Figure 18 is drive shaft structural representation of the present invention;
Figure 19 is drive shaft left view of the present invention.
As shown in Fig. 1 to Figure 19, upper end cover 1, bottom end cover 2, drive shaft 3, braked wheel 4, magnetic guiding loop 5, electromagnetic wire Circle 6, arrangement of clutch 7, brake spring 8, clutch shaft bearing 9, second bearing 10, lower clutch tooth 11, drive shaft axle center Set 12, the second spline structure 121, lower planetary gear axes sleeve 13, the first output shaft 14, the second output shaft 15, first Spline structure 16;
Lid 41, braked wheel lower cover 42, lower planetary gear external toothing 43 on braked wheel, lower planetary gear 44, on upper planet wheel Cover plate 45, upper planet wheel lower cover 46, upper centre tooth 47, upper planet axle 48, upper planet wheel 49, outside upper planet wheel Gear ring 410, lower planetary gear upper cover plate 411, lower planetary gear lower cover 412, lower centre tooth 413, lower planet axle 414, Circulus 415, the first dentalation 416, dentation projective structure 417, upper shaft hole 418, lower shaft hole 419, second Dentalation 420, the 3rd spline structure 421;
Clutch cover 71, profile of tooth clutch part 72, outside spline structure 73, inner side spline structure 74.
Specific embodiment
With specific embodiment, the present invention is described in further detail below in conjunction with the accompanying drawings:
As shown in figure 1, a kind of automatic reduction clutch of washing machine braked wheel provided by the present invention, used in double dynamical In the clutch of washing machine, clutch is arranged on the bottom of washing machine outer tube, is the core realizing double dynamical laundry Part, plays the effect slowed down with clutch.
Clutch includes upper end cover 1, bottom end cover 2, and upper end cover 1 is mutually fastened with bottom end cover 2 and is fixedly connected by screw, Form a complete housing, the bottom of the top of upper end cover 1 and bottom end cover 2 all has opening, the opening of upper end cover 1 Place is used for stretching out the first output shaft 14 and the second output shaft 15, is connected with the inner core of washing machine and impeller respectively, lower end It is used for stretching into drive shaft 3 at the opening covering 2 bottoms, drive shaft 3 is connected with the driving motor outfan of washing machine.
It is provided with braked wheel 4, magnetic guiding loop 5, solenoid 6, clutch in the housing of upper end cover 1 and bottom end cover 2 composition Device 7, brake spring 8, clutch shaft bearing 9, second bearing 10, lower clutch tooth 11 etc., arrangement of clutch 7 is arranged on system Between driving wheel 4 and lower clutch tooth 11.
Magnetic guiding loop 5 and solenoid 6 are annular, are arranged in bottom end cover 2, and wherein, magnetic guiding loop 5 material is to lead Magnetic material, the inner side close-fitting with bottom end cover 2, solenoid 6 is the insulant such as bakelite or nylon, is around wound with copper Silk, solenoid 6 is by bottom end cover 2 and magnetic guiding loop 5 fixed position.
As shown in Figures 2 and 3, lower clutch tooth 11 is arranged in bottom end cover 2, fixes with the bottom close-fitting of bottom end cover 2, Lower clutch tooth 11 be circular ring structure, on the circumference of lower clutch tooth 11 top surface uniformly protruding upward be provided with first flower Bond structure 16, lower clutch tooth 11 is the non-magnet_conductible material such as copper, aluminum, rustless steel, lower clutch tooth 11 and arrangement of clutch 7 Between be provided with brake spring 8.Lower clutch tooth 11 can not also be separately provided, but directly casts profile of tooth on bottom end cover 2 Become the first above-mentioned spline structure 16, the quantity of the first spline structure 16 and the outside spline structure 73 of arrangement of clutch 7 Bond number amount match.
As shown in figure 4, braked wheel 4 includes lid 41, braked wheel lower cover 42 on braked wheel, lid 41 and braking on braked wheel Wheel lower cover 42 mutually fastens and is screwed connection.As shown in Figure 5 and Figure 6, on braked wheel, the upper end of lid 41 protrudes one Circulus 415, circulus 415 inner side is the first dentalation 416, and circulus 415 is as the first output shaft 14 are connected with inner tank of washing machine.As shown in Figure 7 and Figure 8, braked wheel lower cover 42 is the not magnetic conduction such as copper, aluminum, rustless steel Material, the bottom border of braked wheel lower cover 42 is uniformly provided with least 2 dentation projective structures 417, dentation projective structure 417 quantity is matched with the bond number amount of the outside spline structure 73 of arrangement of clutch 7.
As shown in figure 4, lid 41 and braked wheel lower cover 42 inside include two groups of planetary gears, respectively on the brake wheel For upper planetary gear mechanism and lower planetary gear mechanism.
As shown in figure 4, upper planetary gear mechanism is by upper planet wheel upper cover plate 45, upper planet wheel lower cover 46, upper center Tooth 47, upper planet axle 48, upper planet wheel 49 and upper planet wheel external toothing 410 are constituted, wherein, upper centre tooth 47, on Planet axis 48, upper planet wheel 49 are arranged between upper planet wheel upper cover plate 45 and upper planet wheel lower cover 46, upper planet The upper and lower ends of axle 48 are fixedly connected with upper planet wheel upper cover plate 45 and upper planet wheel lower cover 46, upper planet wheel 49 with Upper planet axle 48 rotates and connects.
As shown in figure 9, upper planet wheel 49 at least two, preferably four to six, in the present embodiment, select five, Five upper planet wheels 49 are centered around centre tooth 47 around, have oblate upper shaft at the center of upper centre tooth 47 Hole 418, drive shaft 3 inserts upper shaft hole 418, and drive shaft 3 rotates and drives upper centre tooth 47 to rotate, and upper centre tooth 47 carries Dynamic upper planet wheel 49 rotates, and upper planet wheel 49 drives upper planet wheel upper cover plate 45 to turn together with upper planet wheel lower cover 46 Dynamic.As shown in Figure 10 and Figure 11, upper planet wheel external toothing 410 is circular ring, on the inwall of circular ring Border setting is with teeth, and five upper planet wheels 49 are engaged with upper centre tooth 47 and upper planet wheel external toothing 410 respectively.Upper It is the second dentalation 420 inside planetary gear upper cover plate 45 upper end, it is as the second output shaft 15 and agitation wheel for washing machine phase Even.
As shown in figure 4, lower planetary gear mechanism by lower planetary gear upper cover plate 411, lower planetary gear lower cover 412, lower in Heart tooth 413, lower planet axle 414, lower planetary gear 44 and lower planetary gear external toothing 43 are constituted, wherein, lower centre tooth 413, Lower planet axle 414, lower planetary gear 44 are arranged between lower planetary gear upper cover plate 411 and lower planetary gear lower cover 412, under The upper and lower ends of planet axis 414 are respectively fixedly connected with lower planetary gear upper cover plate 411 and lower planetary gear lower cover 412, under Rotate between planetary gear 44 and lower planet axle 414 and is connected, lower planetary gear upper cover plate 411 and upper planet wheel external toothing 410 Close-fitting.
As shown in figure 12, lower planetary gear 44 at least two, select four in the present embodiment by preferably four to six, Four lower planetary gears 44 are centered around lower centre tooth 413 around, the center of lower centre tooth 413 have oblate under Axis hole 419, drive shaft 3 passes through lower shaft hole 419, and drive shaft 3 rotates and drives lower centre tooth 413 to rotate.As shown in figure 13, Lower planetary gear external toothing 43 is circular ring, and on the inwall of circular ring, border is provided with tooth, and four descending Star-wheel 44 is engaged with lower centre tooth 413 and lower planetary gear external toothing 43 respectively.
As shown in figure 4, braked wheel lower cover 42 lower end inside and clutch shaft bearing 9 close-fitting, inside braked wheel lower cover 42 upper end With lower planetary gear external toothing 43 close-fitting, lower planetary gear external toothing 43 lower planetary gear 44 internal with it engage.
It is lined with wear-resisting beryllium copper gasket (not shown) between upper planetary gear mechanism and lower planetary gear mechanism, Lower planetary gear lower cover 412 downside is the circular ring structure protruding, the inner side of circular ring structure and lower planetary gear axes sleeve 13 Close-fitting, the outside of circular ring structure and clutch shaft bearing 9 close-fitting, are lined between lower planetary gear lower cover 412 and clutch shaft bearing 9 Plastic spacer (not shown).As shown in Figure 14 and Figure 15, the end of lower planetary gear axes sleeve 13 one end has Three spline structures 421, lower planetary gear axes sleeve 13 is connected with drive shaft 3 by axle sleeve.
As shown in Figure 16 and Figure 17, arrangement of clutch 7 is made up of two parts, and a part is middle profile of tooth clutch part 72, Another part is the clutch cover 71 positioned at outer ring.Profile of tooth clutch part 72 is circular ring, in circular ring upper end Outside in the horizontal direction border be provided with outside spline structure 73, in the inner side of the top and bottom of circular ring All border is provided with inner side spline structure 74 in the horizontal direction, and in the present embodiment, outside spline structure 73 is protruded by 8 Key composition, inner side spline structure 74 by 6 protrusion keys form.Clutch cover 71 is annulus set, profile of tooth clutch part 72 The outside of upper end and the inwall close-fitting of clutch cover 71.
Clutch cover 71 and profile of tooth clutch part 72 select different materials to make, and clutch cover 71 adopts the magnetic conduction materials such as No. 45 steel Material, profile of tooth clutch part 72 then adopts the non-magnet_conductible material such as copper, aluminum, rustless steel.
Arrangement of clutch 7 can be produced by the control of solenoid 6 and brake spring 8 and slide axially, thus and clutch Lower clutch tooth 11 in bottom end cover 2 or be connected with braked wheel lower cover 42, outside spline structure 73 and braked wheel lower cover 42 Dentation projective structure 417 or the first spline structure 16 of lower clutch tooth 11 match, inner side spline structure 74 with descending The second spline structure 121 in the middle of 3rd spline structure 421 of star-wheel axes sleeve 13 and drive shaft 3 matches.
As shown in Figure 18 and Figure 19, at the opening of bottom end cover 2 bottom, second bearing 10 is installed in fastening, and drive shaft 3 passes through Second bearing 10 stretches to enclosure interior.Drive shaft 3 central structure is the second spline structure 121, with lower planet wheel shaft The 3rd spline structure 421 that the heart covers 13 one end is identical.Drive shaft 3 from top to bottom successively with upper centre tooth 47, lower center Tooth 413, lower planetary gear axes sleeve 13, second bearing 10 are connected.
The work process of this speed-reducing clutch is described below in detail.
When washing operating mode:
Solenoid 6 is energized, and produces electromagnetic force, and drive arrangement of clutch 7 is axially downward, and brake spring 8 is pressed Contracting, arrangement of clutch 7 be sucked down in lower clutch tooth 11 thus with lower clutch tooth 11 and bottom end cover 2 formed one whole Body.Now, the outside spline of the first spline structure 16 of lower clutch tooth 11 setting protruding upward and arrangement of clutch 7 upper end Structure 73 matches clamping, the 3rd flower of the inner side spline structure 74 of arrangement of clutch 7 upper end and lower planetary gear axes sleeve 13 Bond structure 421 matches clamping, and arrangement of clutch 7 is braked, and second spline structure 121 at drive shaft 3 middle part is located at clutch The centre of spline structure 74 inside the upper and lower ends of device 7, the state being an off between drive shaft 3 and arrangement of clutch 7, The dentation projective structure 417 of braked wheel lower cover 42 bottom is separated with arrangement of clutch 7, and braked wheel 4 is in the shape being totally released State.
Driving motor drives that drive shaft 3 is two-way repeatedly rotates, and drive shaft 3 drives lower centre tooth 413 to rotate, lower centre tooth 413 four lower planetary gears 44 of drive rotate, and four lower planetary gears 44 drive the lower planetary gear external toothing 43 of outer ring to rotate, Now the rotation direction of the rotation direction of lower planetary gear external toothing 43 and drive shaft 3 is conversely, because lower planetary gear external toothing 43 rotate to drive and cover 41 on braked wheel lower cover 42 and braked wheel with braked wheel lower cover 42 close-fitting, lower planetary gear external toothing 43 Rotate, the first output shaft 14 that braked wheel covers 41 upper ends is rotated with the direction contrary with drive shaft 3, the first output shaft 14 are connected with inner tank of washing machine, and then drive inner tank of washing machine rotation.
Meanwhile, drive shaft 3 drives upper centre tooth 47 to rotate, and upper centre tooth 47 drives five upper planet wheels 49 to rotate, by The 3rd spline structure 421 in lower planetary gear axes sleeve 13 is fixed it is impossible to rotate by arrangement of clutch 7 clamping, tight with it The lower planetary gear lower cover 412 joined also is braked, by the effect of lower planet axle 414 so that lower planetary gear upper cover plate 411 are also braked, then due to lower planetary gear upper cover plate 411 with upper planet wheel external toothing 410 close-fitting so that upper planet wheel External toothing 410 can not rotate, and five upper planet wheels 49 are engaged with fixed upper planet wheel external toothing 410, make five Individual upper planet wheel 49 together rotates together with upper planet wheel upper cover plate 45, upper planet wheel lower cover 46, now, upper planet The rotation direction of wheel upper cover plate 45 is identical with the rotation direction of drive shaft, and second on upper planet wheel upper cover plate 45 is defeated Shaft 15 is to rotate with drive shaft 3 identical direction, and then drives agitation wheel for washing machine rotation.
By upper centre tooth 47, lower centre tooth 413, upper planet wheel 49, lower planetary gear 44, upper planet wheel external toothing 410 And the deceleration of lower planetary gear external toothing 43, so that the first output shaft 14 and the second output shaft 15 is back-driven into simultaneously, enter And drive inner core and impeller to rotate in the opposite direction respectively, formed and turn to the contrary and certain power output of gear ratio, Complete the washing procedure of Dual Drive high-effectly.
When dehydration condition:
Solenoid 6 power-off, brake spring 8 is isolated arrangement of clutch 7 under reset force effect from lower clutch tooth 11 Come, simultaneously the outside spline structure 73 of arrangement of clutch 7 upper end and the dentation projective structure 417 of braked wheel lower cover 42 bottom Mutually clamping forms an entirety, second spline structure 121 at drive shaft 3 middle part and the inner side flower of arrangement of clutch 7 lower end Bond structure 74 matches clamping, and drive shaft 3 and arrangement of clutch 7 also form an entirety, now, braked wheel 4 and drive shaft 3 are braked completely by arrangement of clutch 7, are automatically integrated into a whole with arrangement of clutch 7.The of lower planetary gear axes sleeve 13 Three spline structures 421 are located at the centre of spline structure 74 inside the upper and lower ends of arrangement of clutch 7, lower planetary gear axes sleeve The state being an off between 13 and arrangement of clutch 7.
Driving motor drives drive shaft 3 one direction continuously to rotate on demand, under the braking action of arrangement of clutch 7, braking On the braked wheel lower cover 42 of wheel 4 and braked wheel, lid 41 and drive shaft 3, at the same speed with turning to rotation, braked wheel cover 41 upper ends The first output shaft 14 and drive shaft 3 at the same speed with turning to rotation, and then drive inner tank of washing machine rotation.
Due to braked wheel lower cover 42 and the mutual close-fitting of lower planetary gear external toothing 43, braked wheel lower cover 42 while rotation, Lower planetary gear external toothing 43 also rotates, and the steering of lower planetary gear external toothing 43 is identical with the steering of drive shaft 3, and now, Due to the rotation of drive shaft 3, lower centre tooth 413 also passive rotation, due to lower planetary gear external toothing 43 and lower centre tooth 413 steering is identical, and four lower planetary gears 44 are equivalent to and are braked and can not rotate around lower planet axle 414, but band Dynamic lower planetary gear lower cover 412 and lower planetary gear upper cover plate 411 are rotated jointly with being turned to drive shaft 3 identical, then by In lower planetary gear upper cover plate 411 with upper planet wheel external toothing 410 close-fitting so that upper planet wheel external toothing 410 similarly with Turn to rotation with drive shaft 3 identical, because the rotation of drive shaft 3 drives upper centre tooth 47 to rotate, outside upper planet wheel Gear ring 410 is identical with the steering of upper centre tooth 47, and five upper planet wheels 49 are equivalent to and are braked, and then drives upper planet Wheel upper cover plate 45, upper planet wheel lower cover 46 are rotated jointly with being turned to drive shaft 3 identical, now, in upper planet The second output shaft 15 on wheel upper cover plate 45 is to rotate with drive shaft 3 identical direction, and then drives agitation wheel for washing machine rotation Turn.
In dehydration, impeller is identical with the direction of rotation of inner core, due to upper planet wheel 49 and lower planetary gear 44 here During by relative brake, there is not the situation of deceleration, lower planetary gear external toothing 43, lower planetary gear lower cover 412, Lower planetary gear upper cover plate 411, upper planet wheel external toothing 410, upper planet wheel upper cover plate 45, upper planet wheel lower cover 46 All rotate at a same speed, and identical with the steering of drive shaft 3, rotating speed is also identical, makes the first output shaft 14 and Two output shafts 15 operate in the same direction at the same speed, complete centrifuge dehydration program.
As described above, combining the plan content given by accompanying drawing, similar technical scheme can be derived.In every case it is Without departing from the content of technical solution of the present invention, any letter above example made according to the technical spirit of the present invention Single modification, equivalent variations and modification, all still fall within the range of technical solution of the present invention.

Claims (6)

1. a kind of automatic reduction clutch of washing machine braked wheel it is characterised in that:By lid, braked wheel on braked wheel Lower cover, upper planetary gear mechanism and lower planetary gear mechanism composition, the first output shaft and the second output shaft are respectively provided with On described braked wheel lid and described upper planetary gear mechanism on, described upper planetary gear mechanism by upper planet wheel cover Plate, upper planet wheel lower cover, upper centre tooth, upper planet axle, upper planet wheel and upper planet wheel external toothing are constituted, institute State upper planet wheel at least two and be centered around around described upper centre tooth, the center of centre tooth has on described Axis hole, drive shaft inserts described upper shaft hole, and drive shaft turns drive described upper centre tooth to rotate, multiple described up Star-wheel is engaged with described upper centre tooth and described upper planet wheel external toothing respectively, the two ends of described upper planet axle with described Upper planet wheel upper cover plate is fixedly connected with upper planet wheel lower cover, and described upper planet wheel is rotated even with described upper planet axle Connect.
2. automatic reduction clutch of washing machine braked wheel according to claim 1 it is characterised in that:Described On braked wheel, a circulus is protruded in the upper end of lid, is dentalation inside described circulus, described circulus It is connected with inner tank of washing machine as described first output shaft.
3. automatic reduction clutch of washing machine braked wheel according to claim 1 it is characterised in that:Institute State, inside upper planet wheel upper cover plate upper end, there is dentalation, described dentalation as described second output shaft with wash Clothing machine impeller is connected.
4. automatic reduction clutch of washing machine braked wheel according to claim 1 it is characterised in that:Described Lower planetary gear mechanism is by lower planetary gear upper cover plate, lower planetary gear lower cover, lower centre tooth, lower planet axle, descending Star-wheel and lower planetary gear external toothing composition, described lower planetary gear upper cover plate and described upper planet wheel external toothing close-fitting, institute State lower planetary gear to be at least two and be centered around around described lower centre tooth, have at the center of described lower centre tooth Lower shaft hole, described drive shaft passes through described lower shaft hole, and described drive shaft turns drive described lower centre tooth to rotate, institute State lower planetary gear to engage with described lower centre tooth and described lower planetary gear external toothing respectively, described lower planetary gear external toothing Close-fitting inside the upper end of described braked wheel lower cover, the two ends of described lower planet axle and described lower planetary gear upper cover plate and Lower planetary gear lower cover is fixedly connected, and described lower planetary gear is rotated with described lower planet axle and is connected.
5. automatic reduction clutch of washing machine braked wheel according to claim 4 it is characterised in that:Described The bottom border of braked wheel lower cover is uniformly provided with least 2 dentation projective structures, and described dentation projective structure is filled with clutch Put cooperation mutual clamping in dehydration and form one, the lower end inside of described braked wheel lower cover and clutch shaft bearing close-fitting.
6. automatic reduction clutch of washing machine braked wheel according to claim 5 it is characterised in that:Described It is the circular ring structure protruding on the downside of lower planetary gear lower cover, be fastened with lower planet wheel shaft in the inner side of described circular ring structure Heart set, in the outside of described circular ring structure and described clutch shaft bearing close-fitting, the end tool of described lower planetary gear axes sleeve There is the 3rd spline structure, the mutual clamping in washing forms one to described 3rd spline structure with described arrangement of clutch cooperation Body, described lower planetary gear axes sleeve is connected with described drive shaft.
CN201310382895.5A 2013-08-28 2013-08-28 A kind of automatic reduction clutch of washing machine braked wheel Active CN104420130B (en)

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CN107814144A (en) * 2017-11-30 2018-03-20 台邦电机工业集团有限公司 A kind of planetary reduction gear formula motorized pulleys

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