CN105734903A - Washing machine dehydrating shaft and speed reduction clutch - Google Patents

Washing machine dehydrating shaft and speed reduction clutch Download PDF

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Publication number
CN105734903A
CN105734903A CN201410767580.7A CN201410767580A CN105734903A CN 105734903 A CN105734903 A CN 105734903A CN 201410767580 A CN201410767580 A CN 201410767580A CN 105734903 A CN105734903 A CN 105734903A
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CN
China
Prior art keywords
shaft
wheel
braked wheel
axle bed
washing machine
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Granted
Application number
CN201410767580.7A
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Chinese (zh)
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CN105734903B (en
Inventor
舒海
杨林
张刚金
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Qingdao Haier Washing Machine Co Ltd
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Qingdao Haier Washing Machine Co Ltd
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Priority to CN201410767580.7A priority Critical patent/CN105734903B/en
Publication of CN105734903A publication Critical patent/CN105734903A/en
Application granted granted Critical
Publication of CN105734903B publication Critical patent/CN105734903B/en
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Abstract

The invention provides a washing machine dehydrating shaft which comprises a shaft body and a shaft base.The upper end of the shaft body is fixedly connected with a washing barrel of a washing machine.The lower end of the shaft body is fixedly connected with the shaft base, or the lower end of the shaft body and the shaft base are formed integrally.The dehydrating shaft is connected with a speed reducer of the washing machine through the shaft base.The shaft body is provided with a shaft body through hole, wherein an output shaft can penetrate through the shaft body through hole.The dehydrating shaft is of a brand-new structure, the shaft body and the shaft base are integrally formed or fixedly connected, the shaft base can be fixedly connected with the braking wheel more conveniently, and can be more suitable for a washing machine speed reduction clutch with the braking wheel and the dehydrating shaft fixedly connected, and it is ensured that power transmission of the dehydrating shaft is more stable.

Description

A kind of Washing machine dewatering shaft and speed-reducing clutch
Technical field
The present invention relates to washing machine technology field, in particular it relates to a kind of Washing machine dewatering shaft and speed-reducing clutch.
Background technology
Two-power washing machine is a kind of novel pulsator washing machine, it is mainly characterized by when washing, the interior bucket of washing machine and impeller can in a reverse direction, different rotating speeds rotates, make what washings was subject to interior bucket and impeller in the process of washing reversely to turn power, play and washings is carried out to washing the effect washed by rubbing with the hands, washings wash cleanliness is higher.
Washing machine interior bucket and impeller when washing rotate backward and mainly rely on the speed-reducing clutch of washing machine to realize, the speed-reducing clutch of existing washing machine bi-directional drive is usually employing planet fixed shaft gear train drive mechanism, gear drive and movable tooth drive mechanism, owing to general gear drive noise when positive and negative Bidirectional driving is big, and the manufacturing cost of movable tooth drive mechanism is high, therefore, planet fixed shaft gear train drive mechanism is widely used.
Application number is the Chinese utility model patent of 03239381.4, it is mainly by power shaft, output shaft, output sleeve, input axle sleeve, braked wheel and be arranged on the Dual Drive gear mechanism within braked wheel and form, power shaft, output sleeve and output shaft are connected with Dual Drive gear mechanism respectively, braked wheel and between output sleeve parts equipped with arrangement of clutch.During washing operating mode, output shaft and output sleeve are mutually reverse, two-way drive in proportion, swing rotary repeatedly, and relative strength rubs pendulum with the hands.During dehydration condition, by the locking effect of arrangement of clutch, output shaft and output sleeve can be made automatically to combine, do the unidirectional continuous rotation of high speed, centrifuge dehydration simultaneously.
But, having the washing machine of above-mentioned speed-reducing clutch in washing process, interior bucket and impeller rotate backward frequently, and interior bucket produces moment of inertia and acts directly on freewheel clutch, and along with the increase of washing of drum type washing machine capacity, quality problem often occurs because freewheel clutch is bad.Often the unilateral bearing of bottom being produced counteracting force in interior bucket rotary course, easily there is failure phenomenon in unilateral bearing, and meanwhile, when arising that washing, clutch spring is held tightly and caused that clutch spring damages.Additionally, owing to dehydrating shaft separates with braked wheel, and be connected with speed-reducing clutch, interior bucket has the swing of the slight amplitude of oscillation under dewatering state, act directly on dehydrating shaft, and the bearings bias of dehydrating shaft is relatively big, causes dehydrating shaft one end to be subject to moment of torsion relatively big, the vibrations of washing machine can be increased simultaneously and noise occurs.
In view of this, the special proposition present invention.
Summary of the invention
The invention provides a kind of speed-reducing clutch with two-power washing machine and engage effect Washing machine dewatering shaft more preferably, specifically, have employed following technical scheme:
A kind of Washing machine dewatering shaft, including axis body and axle bed, the upper end of described axis body is fixing with the washing tube of washing machine to be connected, and the lower end of axis body is fixed with axle bed and is connected or lower end and the axle bed of axis body are one-body molded;Described dehydrating shaft is connected with the decelerator of washing machine by axle bed;Described axis body is arranged to the axis body through hole of output shaft traverse.
Further, described axis body is bar shape, and described axle bed is in the form of annular discs, and described axis body lower end is one-body molded with axle bed, it is preferable that described axle bed is formed by the lower end outward flanging of axis body.
Further, described axis body is bar shape, and described axle bed is in the form of annular discs, and discoid axle bed center position offers opening, and described axis body lower end is connected with the opening spline of axle bed.
Invention also provides a kind of decelerating clutch of washing machine with above-mentioned Washing machine dewatering shaft, including deceleration device, deceleration device includes braked wheel and the train arranging in braked wheel, described braked wheel offers opening near one end of dehydrating shaft, and the axle bed of described dehydrating shaft is fixedly mounted on the opening of braked wheel.
Further, the axle bed of described dehydrating shaft is connected by the mode of riveted joint is fixing with the opening of braked wheel, and the axle bed of described dehydrating shaft covers all the opening of braked wheel.
Further, the opening part of described braked wheel arranges caulking part, and the inner wall thickness of described caulking part makes to be formed between the inwall of caulking part and the inwall of braked wheel the ledge structure of the axle bed for spacing dehydrating shaft less than the thickness of braked wheel circumferential side wall;The axial height of described caulking part is more than the thickness of the axle bed of dehydrating shaft.
Further, the open end outward flanging of described braked wheel forms braked wheel connecting portion, and the axle bed of described dehydrating shaft and braked wheel connecting portion are threaded connection.
Further, described braked wheel is connected fixing with the axle bed of dehydrating shaft by spline, and the axle bed circumferential side wall of described dehydrating shaft arranges spline tooth, and the opening inwall of described braked wheel is arranged to the spline teeth groove of assembling axle bed spline tooth.
Further, described train includes double-layer planet gear train, lower row star-wheel, lower row star wheel frame and the lower floor's ring gear that lower floor's train of double-layer planet gear train includes lower floor's central gear, is engaged with, lower floor's central gear is fixing with power shaft to be connected, lower row star-wheel engages with lower floor ring gear, and lower floor's ring gear bottom is fixing with input axle sleeve to be connected;Upper row star-wheel, upper row star wheel frame and the upper strata ring gear that the upper strata train of double-layer planet gear train includes upper strata central gear, is engaged with, upper strata central gear is connected with output shaft, upper row star-wheel engages with upper strata ring gear, and upper strata ring gear is connected fixing with braked wheel by spline;The center position of described lower row star wheel frame and upper strata central gear are fixing to be connected, and described upper row star wheel frame and lower floor ring gear are connected by spline to be fixed;Described train place, correspondence upper strata, braked wheel medial wall, the peripheral outer wall of upper strata ring gear are respectively provided with spline tooth, braked wheel medial wall has gap between corresponding train place of lower floor and lower floor's ring gear.
Further, the lower ending opening of described braked wheel is enclosed within power shaft and puts, and the lower ending opening of braked wheel axially stretches out and forms braked wheel installation portion, arranges at least two set the 3rd bearings between braked wheel installation portion and input axle sleeve;Described deceleration device includes housing, and described braked wheel is arranged on enclosure interior, arranges at least a set of second bearing between braked wheel installation portion and the lower end of housing, it is preferable that described the second bearing, the 3rd bearing are rolling bearing.
The invention provides a kind of dehydrating shaft with brand new, or split one-body molded by axis body and axle bed two parts is composed of a fixed connection, axle bed easily facilitates be connected fixing with braked wheel, it is more applicable for braked wheel and fixes the decelerating clutch of washing machine being connected with dehydrating shaft, it is ensured that the power transmission of dehydrating shaft is more stable.
Accompanying drawing explanation
Sectional view in the washing process of Fig. 1 present invention;
Sectional view in the dehydration of Fig. 2 present invention;
The structural blast figure of Fig. 3 present invention;
The perspective view of Fig. 4 upper strata of the present invention train assembly relation;
The perspective view of Fig. 5 upper strata of the present invention train and braked wheel assembly relation;
The perspective view of Fig. 6 lower floor of the present invention train assembly relation;
Fig. 7 lower floor of the present invention train overlaps the perspective view of assembly relation with power shaft;
The structural blast figure of Fig. 8 embodiment of the present invention one;
The perspective view of Fig. 9 embodiment of the present invention three dehydrating shaft;
The perspective view of Figure 10 embodiment of the present invention three braked wheel;
The assembling explosive view of the braked wheel of Figure 11 embodiment of the present invention three and dehydrating shaft;
The perspective view of the direct driving motor of Figure 12 embodiment of the present invention four;
The explosive view of the direct driving motor of Figure 13 embodiment of the present invention four;
The another kind of structural representation of Figure 14 embodiment of the present invention four stator;
The rotor structure schematic diagram of Figure 15 embodiment of the present invention four;
The explosive view of the decelerating clutch of washing machine of Figure 16 embodiment of the present invention four;
The speed-reducing clutch braking of Figure 17 embodiment of the present invention five, clutch structure figure;
The shifting fork structure figure of Figure 18 embodiment of the present invention five;
The shifting fork structure figure of Figure 19 embodiment of the present invention five;
The installation diagram that the power shaft of Figure 20 embodiment of the present invention four overlaps with torque transmissioning shaft.
NullLabel instructions in the appended drawings: 1-2 - input shaft input shaft sleeve 3 - lower center 4 - the lower gear planetary wheel 5 - the lower the planet wheel frame 6-7 - upper planetary gear ring inside the lower wheel frame 8 - the top nine planets round - upper center within 10 - top gear ring gear 11-12-13 - dehydration shaft brake wheel on the output shaft 14 - shell under 15-16-17-18 - the rotor stator torque bushing 19-20 - fork clutch collar 21-22-23 - center brake arm shaft brake band 24 - the first bearing 25-26 - the third second bearing bearing 27-29 - connection arm cushion structure 30 - fixed 31 - torsional spring 33-32 - traction motor circuit board 34-35 - elastic gasket locknut 36 - reset spring 201-202 - input shaft sleeve ontology input shaft sleeve 203-501 - lower input shaft sleeve connection column planetary wheel rack connection under 502 - column planetary shaft under 503-503 - the lower wheel frame cover 505 - lower planets wheel rack mounting holes under 506-506 - the lower connection department inner gear ring gearIn 602 - the lower gear ring connection of 603 - the lower gear ring mounting holes in 701 - the upper on the wheel frame cover 702 - planets wheel shaft connection column on 703-703 - upper planetary wheel rack mounting holes on 705-705 - upper center within 1001 - the upper inner gear ring gear to install a 1002 - within the upper tooth ring connection of 1101-1102 - riveting brake wheel connection department department 1103 - brake wheel installation of 1201-1202 - shaft axis body hole is 1501-1203 - axial size is 1502 - the second side wall 1503 - the first end face 1504-1505-3 face under the 1601-1602 - stator ontology stator connection of 1603-1604 - dial connection department prong stator installation holes, 1605-1605-1607 - stator meshing stator positioning column of 1608-1609 - motor wiring installation department mouth transmit torque shaft sleeve connection of 1801-1701 - rotor meshing of 1803-1802 - column ontology center hole 2701 - second push 2702-3 push the 29-2901 - pin cushion structure in 2904-2902-2902 - end cover nut spring.
Detailed description of the invention
Below in conjunction with accompanying drawing, a kind of decelerating clutch of washing machine of the present invention is described in detail:
As shown in Figures 1 and 2, a kind of decelerating clutch of washing machine of the present invention, including braked wheel 11 and the double-layer planet gear train set within it, lower row star-wheel 4, lower row star wheel frame 5 and the lower floor's ring gear 6 that lower floor's train of double-layer planet gear train includes lower floor's central gear 3, is engaged with, lower floor's central gear 3 is fixing with power shaft 1 to be connected, lower row star-wheel 4 engages with lower floor ring gear 6, and lower floor's ring gear 6 bottom is fixing with input axle sleeve 2 to be connected;Upper row star-wheel 8, upper row star wheel frame 7 and the upper strata ring gear 10 that the upper strata train of double-layer planet gear train includes upper strata central gear 9, is engaged with, upper strata central gear 9 is connected with output shaft 13, upper row star-wheel 8 engages with upper strata ring gear 10, and the periphery of upper strata ring gear 10 is fixing with braked wheel 11 to be connected;The center position of described lower row star wheel frame 5 and upper strata central gear 9 is fixing to be connected, and the mode that described upper row star wheel frame 7 is connected by key with lower floor ring gear 6 fixes connection.
The decelerating clutch of washing machine of the present invention includes upper and lower two-layer planet circular system, all carry out the transmission of power between upper and lower two-layer planet circular system and redistribute, output shaft 13 connects the impeller of washing machine, dehydrating shaft 12 connects the interior bucket of washing machine, and when the speed-reducing clutch of the present invention coordinates arrangement of clutch to achieve washing of drum type washing machine, interior bucket and impeller rotate backward.Meanwhile, the structure of speed-reducing clutch and the connected mode of inside have been improved so that the transmission of the decelerating clutch of washing machine of the present invention is more steadily reliable, and overall construction intensity is higher.
The train of the present invention is made up of upper and lower two-layer planet circular system, due to upper strata train fixing with lower floor ring gear 6 is connected by upper row star wheel frame 7, upper strata central gear 9 is fixed, with lower row star wheel frame 5, the mode being connected and is realized being transferred to the power of lower floor's train upper strata train, and then is transferred to output shaft 13 and dehydrating shaft 12.Therefore, the present invention by upper row star wheel frame 7, upper strata central gear 9, lower row star wheel frame 5 structure be designed, adopt the mode that key connects to realize upper row star wheel frame 7 to be connected with the fixing of lower row star wheel frame 5 with lower floor ring gear 6, upper strata central gear 9, connected mode is simple and reliable, the power transmission making the speed-reducing clutch of the present invention is more stable, longer service life, and reduce manufacturing cost, there is good market popularization value.
How to design upper row star wheel frame 7, lower floor's ring gear 6 is fixed, the structure of upper strata central gear 9, lower row star wheel frame 5, and the fixing connected mode how realizing upper row star wheel frame 7 and lower floor's ring gear 6, upper strata central gear 9 and lower row star wheel frame 5 is the key realizing the technology of the present invention purpose.Specifically, have employed following technical scheme:
Mode that upper row star wheel frame 7 of the present invention and lower floor ring gear 6 are connected by key is fixing to be connected, described upper row star wheel frame 7 arranges connecting key, described lower floor's ring gear 6 is arranged to lower floor's ring gear connecting portion 602 of the connecting key of assembling upper strata planetary wheel carrier (7).
Further, the described connecting key on upper row star wheel frame 7 is spline tooth, described lower floor's ring gear connecting portion 602 is the spline teeth groove being arranged on the inwall at lower floor's ring gear 6 upper end open place, and the spline tooth of described upper row star wheel frame 7 inserts in the spline teeth groove of lower floor's ring gear 6 and achieves a fixed connection.
As shown in Figures 3 and 4, the upper row star wheel frame 7 of the present invention includes upper row star-wheel stand 704 and upper row star wheel frame lid 701, and the circumference of upper row star-wheel stand 704 is vertically arranged multiple upper joint pin 703 for connecting upper row star wheel frame lid 701;Described upper row star-wheel 8 is arranged between the upper row star wheel frame lid 701 of upper row star wheel frame 7 and upper row star-wheel stand 704, and the upper row star-wheel stand 704 of described upper row star wheel frame 7 is connected by spline connected mode is fixing with lower floor ring gear 6.
Upper row star-wheel stand 704 and the upper row star wheel frame lid 701 of the present invention are disk-like structure, both are coupled together by upper joint pin 703 and form upper row star wheel frame 7, described upper connector 703 is integrated with upper row star-wheel stand 704, the card week of upper row star-wheel stand 704 protrude upward multiple column and form upper connector 703.Corresponding, the card of upper row star wheel frame lid 701 is offered multiple through hole matched with upper connector 703, described connector 703 inserts in the through hole on upper row star wheel frame lid 701 and can realize being connected in one.Described upper row star-wheel 8 is arranged in upper row carrier 7, specifically, in the card circumference of upper row star-wheel stand 704 circumference offer multiple on installing hole 705, upper installing hole 705 is blind hole, blind hole is inserted upper row spider gear shaft 702, described upper row star-wheel 8 is arranged on upper row spider gear shaft 702 and can realize rotation, can revolve round the sun along with upper row star wheel frame 7 meanwhile.The overall structure assembling of the upper row star wheel frame 7 of the present invention is simple, and has higher stability.
Owing to when installing, the upper row star-wheel stand 704 of the upper row star wheel frame 7 of the present invention is in bottom, closer to lower floor's train, therefore, the connection of upper row star wheel frame 7 and lower floor's ring gear 6 of lower floor's train is fixed with lower floor ring gear 6 mainly through upper row star-wheel stand 704 and is connected realization.So, can carrying out assembly connection along a direction, enhanced convenience is quick.
Specifically, the periphery of upper row star-wheel stand 704 of described upper row star wheel frame 7, lower floor's ring gear 6 are respectively provided with spline on the inwall of train one end, upper strata.So when mounted, it is only necessary to the spline that the spline of upper row star-wheel stand 704 inserts lower floor's ring gear 6 can be realized fixing connection between the two, and connected mode is simple, the fixing mode connected is reliable and stable.Further, since the inner side of lower floor's ring gear 6 is provided with lower floor's ring gear internal tooth 601, add man-hour, inside ring gear, process spline tooth while processing lower floor ring gear internal tooth 601 convenient.
As shown in Figure 6, described lower row star wheel frame 5 includes lower row star-wheel stand 501 and lower row star wheel frame lid 504, and the circumference of lower row star-wheel stand 501 is vertically arranged multiple lower joint pin 502 for connecting lower row star wheel frame lid 504;Described lower row star-wheel 4 is arranged between the lower row star-wheel stand 501 of lower row star wheel frame 5 and lower row star wheel frame lid 504, and the lower row star-wheel stand 501 of described lower row star wheel frame 5 is threaded connection with upper strata central gear 9, spline is connected or the mode of hole pin assembling is fixing connects.
The mounting means of the lower row star wheel frame 5 of the present invention is essentially identical with the mounting means of upper row star wheel frame 7, and lower row star-wheel stand 501 and lower row star wheel frame lid 504 are disk-like structure, and both are coupled together by lower joint pin 503 and form lower row star wheel frame 5.Described lower row star-wheel 4 is arranged in lower row carrier 5, specifically, in the card circumference of lower row star-wheel stand 501, circumference offers multiple lower installing hole 506, lower installing hole 506 is blind hole, blind hole is inserted lower row spider gear shaft 503, described lower row star-wheel 4 is arranged on lower row spider gear shaft 503 and can realize rotation, can revolve round the sun along with lower row star wheel frame 5 meanwhile.The overall structure assembling of the lower row star wheel frame 5 of the present invention is simple, and has higher stability.
Specifically, when lower floor's planetary wheel carrier seat 501 is threadeded with upper strata central gear 9, described lower row star wheel frame connecting portion 505 is screwed hole, the bottom outward flanging of described upper strata central gear 9 forms upper strata central gear mounting seat 901, upper strata central gear mounting seat 901 offers screwed hole, bolt or screw is adopted to achieve a fixed connection through the screwed hole on the screwed hole and upper strata central gear 9 of lower row star-wheel stand 501, adopt threaded mode fixing more reliable, it is ensured that the stability of power transmission.
When lower floor's planetary wheel carrier seat 501 is connected with upper strata central gear 9 spline, lower row star-wheel stand 501 center position offers opening, described lower row star wheel frame connecting portion 505 is the spline being arranged on opening inwall, the bottom of described upper strata central gear 9 arranges the spline matched with the spline on lower row star-wheel stand 501, it is achieved both splines connect.Adopting splined mode makes assembling more simple and convenient, and fixing connection is reliable effectively simultaneously.
Lower joint pin 502 of the present invention is arranged along the edge of lower row star-wheel stand 501, and the circumferential lengths of lower joint pin 502 is more than radical length.So arrange, mainly have the following technical effect that:
First, after determining due to the gear ratio of lower floor's train, described lower row star-wheel 4 and the size of lower floor's ring gear 6 all determine, if guaranteeing to load in lower floor's ring gear lower row star-wheel 4 smoothly, lower row star wheel frame 501 size-constrained in the specification of lower floor's ring gear 6, accordingly, it would be desirable to that the size of lower row star-wheel stand 501 is tried one's best is little of to meet installation requirement.And lower joint pin 502 is arranged on the edge of lower row star-wheel stand 501 so that the hole between lower joint pin 502 bigger with meet lower row star-wheel stand 501 design little after and do not affect the installation of lower row star-wheel 4.
Secondly, the circumferential lengths of lower joint pin 502 makes the moment of torsion that lower joint pin 502 bears bigger more than radical length, it is ensured that the stability in the large of lower row star wheel frame 5.
Finally, the circumferential lengths of lower joint pin 502 makes the gap between lower joint pin 502 and planet circular system less more than radical length, it is possible to effectively prevent lower row star-wheel 4 internal layer from entering ash.The lower row star-wheel stand 501 of the lower row star wheel frame 5 of the present invention is positioned at the upper end of lower row star wheel frame lid 504 after mounting, more near upper strata train, it is connected owing to upper strata central gear 9 is fixing with lower row star wheel frame 5, is connected so upper strata central gear 9 is fixing with the lower row star-wheel stand 501 of lower row star wheel frame 5.Therefore, the center position of described lower row star-wheel stand 501 is arranged to the lower row star wheel frame connecting portion 505 that be connected fixing with upper strata central gear 9.
It is connected as it is shown in fig. 7, the lower end of lower floor's ring gear 6 of the present invention is fixing with input axle sleeve 2.Specifically, described input axle sleeve 2 includes input sleeve body 201 and power shaft block set 202, described power shaft block set 202 is formed by the end outward flanging of input sleeve body 201, extend upward multiple input axle sleeve joint pin 203 week of power shaft block set 202, arranging multiple first installing hole 603 on described ring gear 6 and the end of input axle sleeve 2 assembling, described input axle sleeve joint pin 203 inserts the first installing hole 603 and achieves a fixed connection.
As shown in Figure 5, upper strata of the present invention ring gear 10 and braked wheel 11 are connected and fixed by spline, setting up upper strata ring gear spline 1002 the outer wall week of described upper strata ring gear 10, on the inwall of described braked wheel 11, the position of corresponding upper strata ring gear 10 arranges braked wheel spline 1101.
The upper end of braked wheel 11 of the present invention is fixing connects dehydrating shaft 12, and the lower end outward flanging of described dehydrating shaft 12 forms dehydrating shaft mounting seat, and the upper end of described braked wheel 11 is fixing with the dehydrating shaft mounting seat of dehydrating shaft to be connected.
Embodiment one
As shown in Figure 8, the differing only in of the present embodiment and above-mentioned detailed description of the invention: the upper row star wheel frame 7 of the present embodiment is connected by the mode of hole pin assembling is fixing with lower floor ring gear 6.
The upper row star-wheel stand 704 of the upper row star wheel frame 7 of the present embodiment circumferentially arranges multiple first steady pin 706 on the end of lower floor's train one end, described lower floor's ring gear 6 arranges multiple first installing hole 603 corresponding to the first steady pin 706 on the end of train one end, upper strata, and the first described steady pin 706 inserts the fixing connection realizing hole pin assembling mode in the first installing hole 603.
Further, described upper row star wheel frame 7 and lower floor ring gear 6 are connected by key or the mode of hole pin assembling is fixing connects.
The first steady pin 706 described in the present embodiment is one-body molded with upper row star-wheel stand 704, and described upper row star-wheel stand 704 fits after the first steady pin 706 inserts the first installing hole 603 near the end of train one end, upper strata with lower ring gear 6 near the end of lower floor's train one end.
Advantage of this embodiment is that: the mode upper row star wheel frame 7 adopting hole pin to coordinate is more simple with the attachment structure of setting on lower floor's ring gear 6, is more prone to processing, assembles also enhanced convenience.
In like manner, the upper strata central gear 9 of the present embodiment arranges multiple second steady pin near the end of one end of lower floor's train, described lower row star-wheel stand 501 corresponding second steady pin on the end of train one end, upper strata arranges multiple second installing hole, and the second described steady pin inserts the fixing connection realizing hole pin assembling mode in the second installing hole.
The upper strata central gear 9 of the present embodiment adopts the mode that hole pin coordinates to be fixedly connected with lower row star wheel frame 5, and simple in construction, connected mode is simple and reliable
Embodiment two
The present embodiment differs only in above-mentioned detailed description of the invention: the described internal tooth that lower floor's ring gear connecting portion 602 is lower floor's ring gear 6, the described connecting key on upper row star wheel frame 7 is the external tooth that the internal tooth with lower floor ring gear 6 is meshed, and the upper row star wheel frame 7 of the end of external tooth is arranged to limit the convex rank of upper row star wheel frame 7 axial displacement.
Adopt advantage in this way to be in that, the structure keeping lower floor's ring gear 6 is constant, individually need not process spline on lower floor's ring gear 6 or offer mounting hole site, upper row star wheel frame 7 will arrange the external tooth identical with lower floor ring gear 6 profile of tooth, the external tooth of upper row star wheel frame 7 is being limited it along internal tooth downslide thus what realize between upper row star wheel frame 7 with lower floor ring gear 6 fixing is connected with after the internal tooth engagement of lower floor ring gear 6 by convex rank.Specifically, the external tooth of the upper row star wheel frame 7 of the present embodiment is arranged in the circumference of upper row star-wheel stand 704 bottom terminal ends, and described convex rank are arranged on upper row star-wheel stand 704 top of external tooth.
Embodiment three
Such as Fig. 9, Figure 10, Figure 11, the Washing machine dewatering shaft of the present embodiment, including axis body 1201 and axle bed 1202, the upper end of described axis body 1201 is fixing with the washing tube of washing machine to be connected, and the lower end of axis body 1201 is fixed with axle bed 1202 and is connected or lower end and the axle bed 1202 of axis body 1201 are one-body molded;Described dehydrating shaft is connected with the decelerator of washing machine by axle bed;Described axis body is arranged to the axis body through hole 1203 of output shaft 13 traverse.
It is connected owing to the braked wheel 11 of the speed-reducing clutch of the present invention is fixing with dehydrating shaft, therefore, present embodiments provide a kind of dehydrating shaft with brand new, or split one-body molded by axis body 1201 and axle bed 1202 two parts is composed of a fixed connection, and axle bed 1202 easily facilitates be connected fixing with braked wheel 11.
Therefore, the dehydrating shaft of the present embodiment is applicable to the speed-reducing clutch of the present invention, it is simple to the assembling of speed-reducing clutch and dehydrating shaft, it is ensured that the power transmission of dehydrating shaft is more stable.
Concrete, the axis body 1201 described in the present embodiment is in bar shape, and described axle bed 1202 is in the form of annular discs, and described axis body 1201 lower end is one-body molded with axle bed 1202, it is preferable that described axle bed 1202 is formed by the lower end outward flanging of axis body 1201.
The axis body 1201 of the present embodiment is one-body molded with axle bed 1202, it is ensured that the globality of dehydrating shaft so that the overall structure of dehydrating shaft is more stable.
The dehydrating shaft of the present embodiment may be used without split design, specifically, described axis body 1201 is in bar shape, and described axle bed 1202 is in the form of annular discs, discoid axle bed 1202 center position offers opening, and described axis body 1201 lower end is connected with the opening spline of axle bed 1202.So, the upper end open mainly due to braked wheel 11 is relatively big, in order to realize close installation between the two, axle bed 1202 relatively large sized, adopts split to arrange rear axis body 1201 and axle bed 1202 can be processed respectively, more easily process, adopting spline to connect fixing, assembling mode is simply effective.
Such as Fig. 1, Fig. 9, Figure 10, Figure 11, a kind of decelerating clutch of washing machine of the present embodiment, it is equipped with above-mentioned dehydrating shaft 12, including deceleration device, deceleration device includes braked wheel 11 and the train arranged in braked wheel 11, described braked wheel 11 offers opening near one end of dehydrating shaft 12, and the axle bed 1202 of described dehydrating shaft 12 is fixedly mounted on the opening of braked wheel 11.
The axle bed 1202 of the dehydrating shaft 12 of the present embodiment is connected by the mode of riveted joint is fixing with the opening of braked wheel 11, and the axle bed 1202 of described dehydrating shaft 12 covers all the opening of braked wheel 11.The mode that the dehydrating shaft 12 of the present embodiment is riveted with axle bed 1202 employing is fixed together, and assembling mode is simple, connects after fixing more reliable and stable, it is ensured that the transmission stability between braked wheel 11 and dehydrating shaft 12.
Specifically, the opening part of described braked wheel 11 arranges caulking part 1102, and the inner wall thickness of described caulking part 1102 makes to be formed between the inwall of caulking part 1102 and the inwall of braked wheel 11 ledge structure of the axle bed for spacing dehydrating shaft 12 less than the thickness of braked wheel 11 circumferential side wall;The axial height of described caulking part 1102 is more than the thickness of the axle bed 1202 of dehydrating shaft 12.
The braked wheel 11 of the present embodiment makes the assemble method of the speed-reducing clutch of the present invention there occurs change with the fixing mode being connected of dehydrating shaft 12, when the deceleration clutch of the present invention assembles, from output shaft end to power shaft to assembling, therefore when riveting, after first dehydrating shaft 12 being sleeved on output shaft 13, after fixing for dehydrating shaft 12, braked wheel 11 is contained on dehydrating shaft 12, extend in the process of upper end open of braked wheel 11 at the axle bed 1202 of dehydrating shaft 12, can not continue to stretch into when arrival ledge structure place is defined, now caulking part 1102 is riveted to the laggard row of in-flanges.
The structural change of the dehydrating shaft 12 of the speed-reducing clutch of the present invention mounting means of speed-reducing clutch, the annexation of dehydrating shaft 12 and braked wheel 11 makes the process of assembling more rationally effectively, the overall Du Genggao of assembling, it is ensured that the stability of transmission.
The braked wheel 11 of the present embodiment can also adopt threaded mode with the fixing mode being connected of dehydrating shaft 12, the open end outward flanging of described braked wheel 11 forms braked wheel connecting portion, and axle bed 1202 and the braked wheel connecting portion of described dehydrating shaft 12 are threaded connection.Adopt threaded mode more simple and convenient, be more easy to assembling.
The braked wheel 11 of the present embodiment can also adopt splined mode with the fixing mode being connected of dehydrating shaft 12, described braked wheel 11 is connected fixing with the axle bed 1202 of dehydrating shaft 12 by spline, axle bed 1202 circumferential side wall of described dehydrating shaft 12 arranges spline tooth, the opening inwall of described braked wheel 11 is arranged to the spline teeth groove of assembling axle bed spline tooth.Adopt splined mode, it is necessary to part processing precision higher, the accuracy of assembling is also higher, and the degree of stability after assembling is also better, is suitable for high-precision matching requirements.
Owing to the upper strata ring gear 10 of the present invention is connected fixing with braked wheel 11 by spline, described train place, correspondence upper strata, braked wheel 11 medial wall, the peripheral outer wall of upper strata ring gear 10 are respectively provided with spline tooth, braked wheel 11 medial wall has gap between corresponding train place of lower floor and lower floor's ring gear 6.
The lower ending opening of the braked wheel 11 described in the present embodiment is enclosed within input axle sleeve 2, and the lower ending opening of braked wheel 11 axially stretches out and forms braked wheel installation portion 1103, arranges at least two set the 3rd bearings 26 between braked wheel installation portion 1103 and input axle sleeve 2;Described deceleration device includes housing, and described braked wheel 11 is arranged on enclosure interior, arranges at least a set of second bearing 25 between braked wheel installation portion 1103 and the lower end of housing, it is preferable that the second described bearing the 25, the 3rd bearing 26 is rolling bearing.
At least a set of clutch shaft bearing 24, described clutch shaft bearing 24 also non-rolling bearing are installed between axle bed 1202 and the housing of the dehydrating shaft 12 of the present embodiment.
The dehydrating shaft 12 of the present invention is fixing with braked wheel to be connected, and the top and bottom of braked wheel 11 are respectively provided with bearing, therefore, dehydrating shaft 12 can be carried out better supporting role, prevent bucket in dehydration from rocking, also reduce interior bucket simultaneously and rock the damage that speed-reducing clutch is caused.
Embodiment four
As shown in Figure 12,13,14,15 and 16, the present embodiment is the direct driving motor of the speed-reducing clutch being applied to the present invention, including rotor 17 and the stator 16 being arranged in rotor 17, described stator 16 is internal has cavity, the clutch axle sleeve 19 of decelerating clutch of washing machine is set in the cavity of stator 16, described clutch axle sleeve 19 upward sliding engages with stator 16 and realizes washing procedure, and clutch axle sleeve 19 slide downward engages with rotor 17 and realizes dehydration procedure;Described stator 16 is arranged to engage and make its fixing stator engaging piece 1607 with clutch axle sleeve 19.
The inside of the stator 16 of the direct driving motor of the present embodiment has cavity, make to be integrated in the internal chamber of stator 16 of direct driving motor by the arrangement of clutch of speed-reducing clutch, arranging on the stator 16 of motor is meshed with clutch axle sleeve 19 simultaneously realizes its fixing stator engaging piece 1607, therefore, the direct driving motor of the present invention is not only speed-reducing clutch offer and turns power, but also there is a part of critical function of arrangement of clutch, expand the functional of direct driving motor so that the degree of integration of speed-reducing clutch is higher.
It addition, the stator engaging piece 1607 being arranged to engagement clutch axle sleeve 19 on the stator 16 of the direct driving motor of the present invention is that to combine the stator 16 of direct driving motor itself be fixed work characteristics.After clutch axle sleeve upward sliding engages with stator 16 engaging piece, owing to stator 16 is fixed, so the clutch axle sleeve 19 being engaged with also maintains static, clutch axle sleeve 19 is fixing with input axle sleeve 2 again to be connected, then input that axle sleeve 2 is motionless, power shaft 1 rotates under the drive of rotor 17 and realizes washing procedure;When clutch axle sleeve 19 slide downward engages with rotor 17, described power shaft 1, input axle sleeve 2 all synchronized rotating in same directions under the drive of rotor, it is achieved dehydration procedure.Therefore, the construction features taking full advantage of self of the direct driving motor of the present invention and working method, it is achieved that arrangement of clutch is coordinated with direct driving motor height, also advantageously in the work of arrangement of clutch.
In order to realize the clutch function of the stator 16 of the present invention, need on stator 16, arrange corresponding with clutch axle sleeve 19 and for being mated stator engaging piece 1607, a kind of preferred implementation as the present embodiment, the stator 16 of described cavity inside or opening part extends certain distance inside cavity and forms annular muscle position, and described stator engaging piece 1607 is the spline tooth being arranged on the inwall of annular muscle position.
The clutch shaft of the present embodiment is set in the internal cavities of stator 16, therefore wants to realize engaging between clutch axle sleeve 19 and stator, and described stator engaging piece 1607 also should be arranged in the internal chamber of stator 16 or the top of internal chamber.The present embodiment gives the set-up mode of a kind of concrete stator engaging piece 1607 in conjunction with the concrete structure of stator, specifically, have employed following technical scheme:
Stator 16 described in the present embodiment includes stator body 1601 and is secured to the stator connecting portion 1602 connected, and stator connecting portion 1602 is fixedly mounted on decelerating clutch of washing machine shell;Described cavity is arranged on the inside of stator body 1601, and described stator engaging piece 1607 is arranged on the cavity inner wall of stator body 1601, or described stator engaging piece 1607 is arranged on stator connecting portion 1602.A part for the arrangement of clutch of speed-reducing clutch is arranged on stator 16 in conjunction with the concrete structure of stator 16 by the present embodiment so that the integrated level of direct driving motor is higher, and arrangement of clutch assembling is more simple and convenient.
Further, described stator connecting portion 1602 is one-body molded with stator body 1601, stator connecting portion 1602 includes connecting portion 1603 and installation portion 1608, described stator body 1601 is axially extended to form connecting portion 1603 away from lumen side by cavities open, and the inside intracavity side flanging in free end end of connecting portion 1603 forms installation portion 1608;Described stator engaging piece 1607 is the spline tooth being arranged on installation portion 1608 inwall.
And the fixed engagement end of existing clutch axle sleeve generally all adopts and is separately provided one and realizes its fixing fixed disk for being meshed with clutch axle sleeve 19, fixed disk is fixedly mounted on the housing of speed-reducing clutch, this mode not only needs fixed disk is carried out independent processing, also need to carry out independent fixed installation, greatly add manufacturing cost and production cost, and the stator connecting portion 1602 of the present embodiment not only has the effect of fixed installation stator 16, stator engaging piece 1607 is integrated in above simultaneously, while the stator 16 of fixed installation direct driving motor, the installation of the upper fixing device of the clutch axle sleeve of speed-reducing clutch is also achieved during installation.
The present embodiment provides the concrete mounting means with stator 16, specifically, described stator body 1601 is fixedly mounted on the housing lower surface of decelerator for washing machine by stator connecting portion 1602, on the installation portion 1608 of stator connecting portion 1602 circumferentially disposed multiple for threaded stator installing hole 1605 and multiple for installing time location stator locating dowel 1606.The present embodiment directly adopts screw to be fixed after being positioned by stator locating dowel 1606, therefore, the installation of the stator 16 of the present embodiment is simple and convenient, the installation of the upper fixing device of the clutch axle sleeve of speed-reducing clutch simultaneously also achieves installation, the step of the installation saved, improves the efficiency of production.
The clutch axle sleeve 19 of the speed-reducing clutch of the present embodiment adopts the mode that shift fork drives to realize sliding up and down, match with clutch axle sleeve 19 in order to shift fork extend in the cavity of stator 16, this gives a kind of specific embodiment, specifically, described clutch axle sleeve 19 is driven by shift fork 20, one end of described shift fork 20 extend in the internal cavities of stator 16 and contacts to stir its axially-movable with clutch axle sleeve 19, described stator 16 is arranged to the shift fork mouth 1604 of shift fork 20 traverse.
The shift fork mouth 1604 of the present embodiment has two kinds of set-up modes, concrete:
Mode one, as shown in figure 13, described shift fork mouth 1604 is arranged on stator connecting portion 1602, and described shift fork mouth 1604 is through-hole structure, and on installation portion 1608, the inwall at corresponding shift fork mouth 1604 place is provided with spline tooth.So arrange and the whole circle of stator engaging piece 1607 is arranged so that degree of engagement is higher when clutch axle sleeve 19 engages, more stable, it is ensured that the effectiveness of clutch axle sleeve 19.
Mode two, as shown in figure 14, described shift fork mouth 1604 is gap structure, the connecting portion 1603 of the through stator connecting portion 1602 of gap structure and installation portion 1608.The mode so arranged, the processing making shift fork mouth 1604 is more simple and convenient, and the aperture area of shift fork mouth 1604 is bigger, more simple and convenient during assembling shift fork 20, and the position that installation portion 1608 is not provided with shift fork mouth 1604 is provided with spline tooth, it is ensured that the effectiveness of clutch axle sleeve 19 engagement.
Stator engaging piece 1607 described in the present embodiment can directly be formed by offering spline tooth on stator connecting portion 1602, can also be separately provided, on the lower end surface being fixedly mounted on stator connecting portion 1602, specifically, described stator engaging piece 1607 is the spline tooth being arranged on the inwall of a ring discoid body, described ring discoid body is fixedly connected on the cavity inside of stator body 1601, or described ring discoid body be fixedly connected on stator connecting portion 1602 with on cavity opposite side.During the benefit so arranged, both splits arrange and when stator engaging piece 1607 damages, can individually be replaced, reduce maintenance cost.
The another embodiment that the stator installation portion 1602 of the present embodiment and stator engaging piece 1607 split are arranged is, described stator connecting portion 1602 is joint pin, connecting stator body 1601 is fixed in one end of joint pin, and the other end is fixedly connected on the housing bottom of decelerating clutch of washing machine;Described stator body 1601 is formed annular muscle position by cavities open towards extending certain distance inside cavity, and described stator engaging piece 1607 be the spline tooth being arranged on the inwall of annular muscle position.The structure so making stator connecting portion 1602 is more simple, processes enhanced convenience, and stator engaging piece 1607 also be arranged on cavity place one-body molded with stator realizes the effect of itself and clutch axle sleeve 19 fixed engagement.
Said stator connecting portion 1602 is set to the situation that the mode of joint pin is more suitable for being fixedly mounted on the installing plate of washing machine by stator 16, installation site and installing plate distant due to direct driving motor, mounting post mounting means is adopted not only to install more simple, and the processing of stator connecting portion 1602 is also more easy, is now individually integrated on stator 16 by stator engaging piece again and realizes its function.
The clutch axle sleeve 19 of the present embodiment slides downward through and engages with torque transmissioning shaft set 18, and torque transmissioning shaft set 18 is arranged on rotor 17, it is achieved dehydration procedure.
The torque transmissioning shaft set 18 of the present embodiment includes cylindrical body 1802, torque transmissioning shaft set engaging piece 1801 and central through hole 1803, arranging spline tooth in the peripheral outer wall of described cylindrical body 1802 and form the torque transmissioning shaft set engaging piece 1801 for being meshed with the spline tooth of clutch axle sleeve 19 lower end, the central through hole 1803 for power shaft 1 traverse is offered in the center of described cylindrical body 1802;The cylindrical body 1802 of described torque transmissioning shaft set 18 is one-body molded with rotor 17 or fixing to be connected.
Such as Figure 13, the torque transmissioning shaft set 18 of the present embodiment can be directly made of one by rotor 17, process when processing rotor 17 with torque transmissioning shaft set simultaneously, specifically, the cylindrical body 1802 of described torque transmissioning shaft set 18 is formed by the boss structure of rotor 17 inside bottom wall center position protruding certain altitude to the inside.Torque transmissioning shaft is overlapped 18 and is set to one with rotor 17 by the present embodiment, when the rotor 17 of direct driving motor so can be made to carry out modularized production, has more functional, easily facilitates modular assembly.
As shown in figure 15, the torque transmissioning shaft set 18 of the present embodiment can also be arranged with rotor 17 split, namely the two is two independent parts, such as 14, after individually torque transmissioning shaft set 18 and rotor 17 being processed, again through certain mounting means, torque transmissioning shaft is overlapped 18 and be fastened on rotor 17, have an advantage in that independent dismounting and change is convenient, and rotor 17 is more costly, when maintenance, rotor 17 can be retained and only change fixed disk, reduce the cost of maintenance.
Overlap the fixed installation of 18 for the ease of torque transmissioning shaft, the inner central position of the rotor 17 of the present embodiment is arranged to the rotor joint 1701 of fixed installation torque transmissioning shaft set 18.
As shown in figure 16, fix between described torque transmissioning shaft set 18 and rotor 17 and be connected, between described torque transmissioning shaft set 18 and rotor 17, elastic washer 35 is set, described elastic washer 35 has an elastic spline tooth, and elastic spline tooth overlaps the spline tooth of engaging piece 1801 and engage and the tooth depth of elastic spline tooth is less than the tooth depth of the spline tooth of torque transmissioning shaft set engaging piece 1801 with torque transmissioning shaft.The elastic washer 35 of the present embodiment can slow down impulsive force and the engagement force of clutch axle sleeve 19 with torque transmissioning shaft set 18 when clutch axle sleeve 19 is meshed, and decreases noise during engagement.
The rotor 17 of the present embodiment is fixedly mounted on power shaft 1 by stop nut 34 so that rotor 17 band driven input shaft 1 rotates together.
As shown in figure 20, torque transmissioning shaft set 18 described in this enforcement can also be connected with spline between power shaft 1, or torque transmissioning shaft set 18 is one-body molded with power shaft 1, the peripheral outer wall of torque transmissioning shaft set 18 is arranged to the spline tooth being meshed with the spline tooth of clutch axle sleeve 19 lower end.
Stator top described in the present embodiment is further fixed on the circuit board 33 of direct driving motor and the motor connection jaws 1609 of corresponding circuits plate 33 setting.
The present embodiment gives a kind of decelerating clutch of washing machine with above-mentioned direct driving motor simultaneously, the arrangement of clutch of washing/dehydrating switching is carried out including control washing machine, described arrangement of clutch includes axially slidable clutch axle sleeve 19 and drives the shift fork 20 of clutch axle sleeve 19, clutch axle sleeve 19 is arranged on stator 16 inside and has cavity, one end of described shift fork 20 is stretched in the internal cavities of stator 16, and the other end is arranged on the cavity outside of stator 16 and is connected to driving device;Arranging buffer structure between described driving device and shift fork 20, described buffer structure is compressed or is stretched required power more than the power stirred needed for clutch axle sleeve.
The clutch axle sleeve 19 of the decelerating clutch of washing machine of the present embodiment includes upper and lower two ends, the external diameter of upper end is more than the external diameter of bottom, on described upper end, circumference is arranged to the spline tooth engaged with stator engaging piece 1607, and on the medial wall of described bottom, circumference is arranged to overlap 18 spline tooths being meshed with torque transmissioning shaft.
Concrete structure and connected mode are shown in embodiment five, are not repeated at this.
Embodiment five
Such as Figure 17, shown in Figure 18 and Figure 19, a kind of speed-reducing clutch of the present embodiment, at least include a housing, it is positioned at the braked wheel 11 of housing, it is positioned at the train of braked wheel 11, lower housing portion is fixing connects a direct driving motor, the clutch axle sleeve 19 that can slide up and down is set in the cavity of direct driving motor stator 16, clutch axle sleeve 19 slides up and down to be connected with rotational structure and fixed structure respectively and realizes dehydration and washing, clutch axle sleeve 19 is driven by shift fork 20, described stator 16 medial wall and Jian Youyi gap, clutch axle sleeve 19 lateral wall, stator 16 is positioned at the top in this gap and is provided with a breach, described shift fork 20 stretches into this breach and is at least partially disposed in stator 16 cavity and contacts with clutch axle sleeve 19 stirs clutch axle sleeve 19 axially-movable.
Clutch axle sleeve 19 is arranged on stator 16 cavity inside can shorten speed-reducing clutch axial length, can save axially mounted space.Shift fork 20 one end is positioned at cavity, drive the motion of clutch axle sleeve 19, owing to arranging clutch axle sleeve 19 in stator 16 cavity, gap between the medial wall of clutch axle sleeve 19 lateral wall and stator 16 is less, the driving device of shift fork 20 cannot be arranged in cavity, therefore the driving device of shift fork 20 is arranged on the outside of cavity, around housing, therefore the other end of shift fork 20 must be positioned at the outside of cavity, around housing, driven by driving device, the top in stator 16 medial wall and gap, clutch axle sleeve 19 lateral wall is provided with a breach, shift fork stretches into cavity inside by this breach and goes to drive clutch axle sleeve 19.
The top of clutch axle sleeve 19 arranges spring, and clutch axle sleeve 19 motion upwards stirred by 20 need of shift fork, and downward the moving of clutch axle sleeve 19 leans on the gravity of spring and clutch axle sleeve 19 itself to realize.
Shift fork 20 at least includes the clicking section 2001 contacted with clutch axle sleeve 19 and drives the connecting portion 2002 of clicking section 2001 motion, described clicking section 2001 is positioned at stator 16 cavity inside, described connecting portion 2002 and a fixture 30 are hinged, one end is positioned at outside stator 16 cavity, and the other end stretches in stator 16 cavity.
Connecting portion 2002 and clicking section 2001 can be structure as a whole, described clicking section 2001 is half arc-shaped structure, circular arc concave surface 2004 is towards clutch axle sleeve 19, arc convex surface 2005 is towards stator 16, extend outward flap structure towards the side of stator 16 and be folded upward at and extend to outside stator 16 cavity to the middle part in stator 16 and the gap of clutch axle sleeve 19, radially outward bend along stator 16 again and extend, hinged with a fixture 30, then extend upward a drive end 2003.This kind of shift fork integrative-structure, shift fork is one-body molded, it is simple to modularized production, reduces the quantity of the part of washing machine, and this kind of situation stator 16 medial wall is relatively big with the breach that the top in gap, clutch axle sleeve 19 lateral wall sets, or described breach is a gap.
Or connecting portion 2002 and clicking section 2001 are Split type structure, described clicking section 2001 is half arc-shaped structure, circular arc concave surface 2004 is towards clutch axle sleeve 19, arc convex surface 2005 is towards stator 16, the middle part of stator 16 and the gap of clutch axle sleeve 19 is extended out to towards the side of stator 16, described connecting portion 2002 is that flap structure is hinged with a fixture 30, one end bends downwards and extends to and is positioned at stator 16 in stator 16 cavity with clicking section 2001 and fixes with the one end in the gap of clutch axle sleeve 19 and be connected, connecting portion 2002 other end extends radially outwardly along stator 16, it is folded upward at again and extends a drive end 2003.
Connecting portion 2002 extends in stator 16 cavity and bends inwards after clicking section 2001 is positioned at stator 16 and the one end in the gap of clutch axle sleeve 19 and extend, and forms a part overlapping with clicking section 2001, and the two is threaded connection in this part.The simple in construction of this kind of each part of situation, convenient processing.
Housing includes upper shell 14 and lower house 15, fixture 30 is one be fixed on lower casing, the laminated structure of 15, it be arranged in parallel with lower house 15 bottom, being installed as of the connecting portion 2002 of fixture 30 and shift fork 20: the surface of this laminated structure is provided with two the first lugs 3001 being perpendicular to this surface, two the first lugs 3001 are oppositely arranged, and first lug 3001 be provided with the first installing hole, described connecting portion 2002 is oppositely arranged two the second lugs 2006, two the second lugs 2006 are oppositely arranged, and second lug 2006 be provided with the second installing hole, after first installing hole and the second installing hole alignment, connected by bearing pin, bearing pin is provided with torsion spring.Only needing shift fork 20 to the motion in a direction, the motion in another direction automatically resets by the power of torsion spring.This kind of connected mode simple in construction, it is simple to processing, assembles easy for installation.
Direct driving motor stator 16 includes an installation portion, described installation portion be stator 16 upper end inner periphery extend inwardly to form one there is certain thickness annular flange, described annular flange is threaded connection after coordinating with the lower surface of lower house 15.Described direct driving motor stator installation portion is provided with mean for the breach that shift fork passes through, lower house lower surface to should indentation, there install shift fork 20 lamellar fixture 30.Described fixed structure is the installation portion of stator, and the inner periphery of described installation portion or the lower surface of described installation portion are provided with the spline tooth coordinated with clutch axle sleeve 19.
Shift fork 20 is driven by a driving device, a buffer structure 29 is set between driving device and shift fork 20, described buffer structure 29 is an elastic component, power needed for compressing or stretching this elastic component is more than the power stirring clutch axle sleeve 19, when shift fork 20 drives clutch axle sleeve 19 to move upward, the spline tooth of clutch axle sleeve 19 is not inserted into the spline of fixed structure, but withstood the spline tooth of fixed structure, this end of shift fork 20 can not move, now driving device also moves at shift fork, without buffer structure 29, the deformation of shift fork can be caused, or fracture, after being provided with buffer structure 29, now shift fork can not move, buffer structure moves, shift fork will not deform or fracture.Power needed for compressing or stretching this elastic component is more than the power stirring clutch axle sleeve 19, it is ensured that when namely not withstood under clutch axle sleeve 19 normal condition, driving device shift fork 20 moves, and buffer structure can not be driven to move.Arranging buffer structure, shift fork can be avoided to be impacted, extend the service life of shift fork, simultaneously that it goes without doing is too thick and heavy for shift fork, can realize stirring, save cost, reduce washer weight.
nullConcrete,The drive end 2003 of described shift fork 20 is driven by a driving device,A buffer structure 29 is set between driving device and drive end 2003,Described buffer structure 29 is an elastic component,Power needed for compressing or stretching this elastic component is more than the power stirring clutch axle sleeve 19,When shift fork 20 drives clutch axle sleeve 19 to move upward,The spline tooth of clutch axle sleeve 19 is not inserted into the spline of fixed structure,But withstood the spline tooth of fixed structure,Can not move in the clicking section 2001 of shift fork 20,Now driving device also moves at shift fork,Without buffer structure 29,The deformation of shift fork can be caused,Or fracture,After being provided with buffer structure 29, now driving device drives,The clicking section 2001 of shift fork is motionless,Buffer structure moves,The drive end 2003 of shift fork is motionless,So shift fork will not deform or fracture.Power needed for compressing or stretching this elastic component is more than the power stirring clutch axle sleeve 19, it is ensured that when namely not withstood under clutch axle sleeve 19 normal condition, driving device shift fork 20 moves, and buffer structure can not be driven to move.
Concrete, described buffer structure 29 includes a bearing pin 2901, bearing pin 2901 one end is provided with a circular end cap 2902, the other end spins a nut 2903, on bearing pin 2901 between end cap 2902 and nut 2903 a sheathed spring 2904, drive power needed for described spring 2904 more than the power driven needed for clutch axle sleeve 19.
Drive end 2003 is provided with through hole, it is set on bearing pin 2901 by this through hole, and between nut 2903 and spring 2904, spring 2904 and nut 2903 can prop up drive end 2003 mutually, or described driving device is provided with through hole, are set on bearing pin 2901 by this through hole, and between nut 2903 and spring 2904, circular end cap 2902 is towards the driving device of shift fork 20, and described spring 2904 is in compressive state, spring 2904 and nut 2903 can prop up drive end 2003 mutually.
The other end that circular end cap 2902 is positioned at bearing pin 2901 is an arc-shaped curved surface, it is preferred to a sphere curved surface.It is set to sphere curved surface, when with this curved face contact, it is possible to farthest thrust is assigned to bearing pin 2901 direction, it is possible to can shift fork 20 by minimum power.
Braked wheel 11 arranges a brake band 21, brake band 21 connects a brake arm 22, the central shaft 23 of brake arm 22 is fixedly mounted on speed-reducing clutch upper shell 14 lower surface or lower house 15 upper surface, central shaft 23 is positioned at the bottom of brake arm 22 and is additionally provided with a linking arm 27, brake arm 22 drives linking arm 27 to move, linking arm 27 shift fork 20 moves, and driving clutch axle sleeve 19 slides up and down to be connected with rotational structure and fixed structure respectively and realizes dehydration and washing.Described linking arm 27 is the driving device of shift fork.Brake arm 22 is drawn by traction electric machine 32.
The surface being perpendicular to central shaft 23 on brake arm 22 and linking arm 27 bends out the first push jack 2201 and the second push jack 2701 respectively in axial direction, first push jack 2201 is relative with the second push jack 2701, and is perpendicular to the direction that brake arm 22 and linking arm 27 rotate around central shaft 23.Brake arm 22 is when central axis, and the first push jack 2201 promotes the second push jack 2701 to move, and the second push jack 2701 drives linking arm 27 to rotate around central shaft 23.
Arranging torsion spring between brake arm 22 and central shaft 23, arrange torsion spring between described linking arm 27 and central shaft 23, only need to drive the motion in 22 1 directions of brake arm, the motion in another direction realizes by the reset of torsion spring.
Under naturalness, the first push jack 2201 and the second push jack 2701 have certain distance.Can realize traction electric machine 32 can only drive brake band to unclamp under a less stroke, can not move by shift fork 20, when traction electric machine 32 arrives a bigger stroke, first push jack 2201 contacts with the second push jack 2701, brake arm 22 could drive linking arm 27, linking arm 27 shift fork 20 again.
The center of the first push jack 2201 or the second push jack 2701 is provided with hole, installs a bolt by this hole, and bolt head is positioned at the gap of the first push jack 2201 and the second push jack 2701, is provided with pad between bolt head and the first push jack 2201 or the second push jack 2701.Distance between described pad adjustable the first push jack 2201 and the second push jack 2701, it is ensured that the position of the stroke of traction electric machine 21 and clutch axle sleeve 19 matches.
Linking arm 27 axially extends or bends out the 3rd push jack 2702, and the 3rd push jack 2702 is relative with one end of shift fork, and shift fork moves.3rd push jack 2302 is the driving device of shift fork 20.
Between 3rd push jack 2302 and shift fork 20, above-mentioned buffer structure is set, described shift fork is provided with through hole, it is set on bearing pin 2901 by this through hole, and between nut 2903 and spring 2904, circular end cap is towards the 3rd push jack 2702, or described 3rd push jack 2302 is provided with through hole, it is set on bearing pin 2901 by this through hole, and between nut 2903 and spring 2904, circular end cap 2902 is towards shift fork, and described spring 2904 is in compressive state.
The brake unit of speed-reducing clutch includes the braked wheel 11 outside train, with the brake band 21 outside braked wheel 11, the arrangement of clutch of described speed-reducing clutch includes can slide up and down clutch axle sleeve 19 and driving the shift fork 20 of clutch axle sleeve, described brake band 21 and shift fork 20 share a traction electric machine 21, saving cost, described traction electric machine 32 at least includes two strokes.nullOne traction electric machine 32 can realize brake band 21 and the driving of clutch axle sleeve 19,The dehydrating shaft 12 of braked wheel 11 and washing machine connects as one,When washing of drum type washing machine,Output shaft 13 and dehydrating shaft 12 rotate backward,When laundry machine dehydration,Dehydrating shaft 12 and output shaft 13 rotating in same direction,Under washing state and dewatering state,Braked wheel 11 all turns,It is accomplished by brake arm 22 to control brake band 21 and unclamped by braked wheel 11,When washing of drum type washing machine,Output shaft 13 and dehydrating shaft 12 rotate backward,Clutch axle sleeve 19 is positioned at top and is connected with fixed structure,When laundry machine dehydration,Dehydrating shaft 13 and output shaft 12 rotating in same direction,Clutch axle sleeve 19 is positioned at bottom and is connected with rotational structure,Under washing machine naturalness,Clutch axle sleeve 19 is that the power by spring is positioned at bottom,So traction electric machine 32 arranges two strokes,During the first stroke,Brake arm 22 is only driven to drive brake band 21 take-off the brake wheel 11,During the second stroke,Brake arm 22 is driven to drive brake band 21 take-off the brake wheel 11,Brake arm 22 drives linking arm 27 simultaneously,Linking arm 27 shift fork 20,Shift fork 20 is stirred clutch axle sleeve 19 and is moved upward.
Brake band 21 connects brake arm 22, brake arm 22 is provided with a central shaft 23 and is fixedly mounted on speed-reducing clutch upper shell 14 lower surface or lower house 15 upper surface, described brake arm 22 one end connects traction electric machine 32, the other end is connected with brake band, central shaft is positioned at the bottom of brake arm and is additionally provided with a linking arm, brake arm drives linking arm motion, and linking arm shift fork moves, and shift fork driving clutch shaft set slides up and down to be connected with rotational structure and fixed structure respectively and realizes dehydration and washing.
Traction electric machine 32 includes the first stroke and the second stroke, the displacement of the traction of the first stroke is less than the displacement of the traction of the second stroke, under described first stroke state, brake arm 22 drives brake band 21 to unclamp, described shift fork 20 is failure to actuate, under described second stroke state, brake arm 22 drives brake band 21 to unclamp, and described shift fork 20 is stirred clutch axle sleeve 19 and is upwards connected with fixed structure.First stroke and the second stroke, brake band 21 is all releasing orientation, and the degree simply unclamped is different.Only in jerk with without under state, brake band 21 is the state of holding tightly, weares and teares little in use procedure, reduces probability brake abnormal sound occur.
The surface being perpendicular to central shaft 23 on brake arm 22 and linking arm 27 bends out the first push jack 2201 and the second push jack 2701 respectively in axial direction, first push jack 2201 is relative with the second push jack 2701, and it is perpendicular to brake arm 22 and linking arm 27 direction around central axis, under described first stroke state, first push jack 2201 does not contact with the second push jack 2701, under described second stroke state, the first push jack 2201 contacts with the second push jack 2701.Linking arm 27 axially extends or bends out the 3rd push jack 2702, and the 3rd push jack 2702 is relative with one end of shift fork 20, and shift fork moves, and under described second stroke state, the 3rd push jack 2702 contacts with shift fork opposite end.
Under original state, described clutch axle sleeve is connected with rotational structure, and traction electric machine 32 is failure to actuate, and under washing state, traction electric machine is to the second stroke, and under dewatering state, traction electric machine 32 is the first stroke.
The radially outer part in lower house 15 lower surface is fixing with direct driving motor stator 16 to be connected, and the radially inner part in described lower house 15 lower surface upwards caves in formation one space 1501, spring bearing 25 of installation braked wheel in this space 1501.Housing is divided into upper shell 14 and lower house 15, and upper shell 14 is connected with bottom the washing tube of washing machine, and it is bottom that direct driving motor is directly installed on lower house, can reduce connector, reduces the number of washing machine parts, simplifies structure.The periphery of housing is the column structure that about one diameter is consistent, makes hull outside bending few, it is simple to install.
The bottom of lower house 15 sidewall 1502 bends certain distance radially inward and forms the first lower surface 1503, extend certain distance after being folded upward at again and form the second sidewall 1504, extend certain distance after bending inwards again and form the spring bearing 25 installing braked wheel 11 in the space that the 3rd lower surface 1505, the second sidewall 1504 and the 3rd lower surface 1505 are formed.Described spring bearing is rolling bearing.
Direct driving motor stator includes an installation portion 1602, described installation portion 1602 be stator 16 upper end inner periphery extend inwardly to form one there is certain thickness annular flange, described annular flange is threaded connection after coordinating with the first lower surface 1503 of lower house 15.The inner periphery of described installation portion 1602 is provided with spline tooth, or the lower surface of described installation portion 1602 is provided with spline tooth.
Clutch axle sleeve 19 is set in the outside of input axle sleeve 2, and axle sleeve 2 is slidably non-rotatable is connected with input, and described clutch axle sleeve 19 is arranged in the cavity of stator, and the installation portion spline that clutch axle sleeve moves up with stator is connected, fixes and inputs axle sleeve.
Embodiment six
Present embodiments provide a kind of washing machine adopting above-mentioned decelerating clutch of washing machine, it is possible to achieve impeller and interior bucket rotate backward in washing process, and clean result is more preferably.
The above is only presently preferred embodiments of the present invention, not the present invention is done any pro forma restriction, although the present invention is disclosed above with preferred embodiment, but it is not limited to the present invention, any technical staff being familiar with this patent is without departing within the scope of technical solution of the present invention, when the technology contents of available above-mentioned prompting is made a little change or is modified to the Equivalent embodiments of equivalent variations, in every case it is the content without departing from technical solution of the present invention, according to any simple modification that above example is made by the technical spirit of the present invention, equivalent variations and modification, all still fall within the scope of the present invention program.

Claims (10)

1. a Washing machine dewatering shaft, it is characterized in that, including axis body (1201) and axle bed (1202), the upper end of described axis body (1201) and the washing tube of washing machine are fixing to be connected, and the lower end of axis body (1201) is fixed with axle bed (1202) and is connected or lower end and the axle bed (1202) of axis body (1201) are one-body molded;Described dehydrating shaft is connected with the decelerator of washing machine by axle bed;Described axis body is arranged to the axis body through hole (1203) of output shaft traverse.
2. a kind of Washing machine dewatering shaft according to claim 1, it is characterized in that, described axis body (1201) is in bar shape, described axle bed (1202) is in the form of annular discs, described axis body (1201) lower end is one-body molded with axle bed (1202), preferably, described axle bed (1202) is formed by the lower end outward flanging of axis body (1201).
3. a kind of Washing machine dewatering shaft according to claim 1, it is characterized in that, described axis body (1201) is in bar shape, described axle bed (1202) is in the form of annular discs, discoid axle bed (1202) center position offers opening, and described axis body (1201) lower end is connected with the opening spline of axle bed (1202).
4. a decelerating clutch of washing machine, including deceleration device, deceleration device includes braked wheel (11) and the train arranged in braked wheel (11), it is characterized in that, described braked wheel (11) offers opening near one end of dehydrating shaft (12), and the axle bed (1202) of described dehydrating shaft (12) is fixedly mounted on the opening of braked wheel (11).
5. a kind of decelerating clutch of washing machine according to claim 4, it is characterized in that, the axle bed (1202) of described dehydrating shaft (12) is connected by the mode of riveted joint is fixing with the opening of braked wheel (11), and the axle bed (1202) of described dehydrating shaft (12) covers all the opening of braked wheel (11).
6. a kind of decelerating clutch of washing machine according to claim 5, it is characterized in that, the opening part of described braked wheel (11) arranges caulking part (1102), and the inner wall thickness of described caulking part (1102) makes to be formed between the inwall of caulking part (1102) and the inwall of braked wheel (11) ledge structure of the axle bed for spacing dehydrating shaft (12) less than the thickness of braked wheel (11) circumferential side wall;The axial height of described caulking part (1102) is more than the thickness of the axle bed (1202) of dehydrating shaft (12).
7. a kind of decelerating clutch of washing machine according to claim 4, it is characterized in that, the open end outward flanging of described braked wheel (11) forms braked wheel connecting portion, and the axle bed (1202) of described dehydrating shaft (12) and braked wheel connecting portion are threaded connection.
8. a kind of decelerating clutch of washing machine according to claim 4, it is characterized in that, described braked wheel (11) is connected fixing with the axle bed (1202) of dehydrating shaft (12) by spline, axle bed (1202) circumferential side wall of described dehydrating shaft (12) arranges spline tooth, the opening inwall of described braked wheel (11) is arranged to the spline teeth groove of assembling axle bed spline tooth.
9. a kind of decelerating clutch of washing machine according to claim 4, it is characterized in that, described train includes double-layer planet gear train, lower row star-wheel (4), lower row star wheel frame (5) and the lower floor's ring gear (6) that lower floor's train of double-layer planet gear train includes lower floor's central gear (3), is engaged with, lower floor's central gear (3) is fixing with power shaft (1) to be connected, lower row star-wheel (4) engages with lower floor's ring gear (6), and lower floor's ring gear (6) bottom is fixing with input axle sleeve (2) to be connected;Upper row star-wheel (8), upper row star wheel frame (7) and the upper strata ring gear (10) that the upper strata train of double-layer planet gear train includes upper strata central gear (9), is engaged with, upper strata central gear (9) is connected with output shaft (13), upper row star-wheel (8) engages with upper strata ring gear (10), and upper strata ring gear (10) is connected fixing with braked wheel (11) by spline;The center position of described lower row star wheel frame (5) is fixing with upper strata central gear (9) to be connected, and described upper row star wheel frame (7) is connected fixing with lower floor's ring gear (6) by spline;Described train place, correspondence upper strata, braked wheel (11) medial wall, the peripheral outer wall of upper strata ring gear (10) are respectively provided with spline tooth, braked wheel (11) medial wall has gap between corresponding train place of lower floor and lower floor's ring gear (6).
10. a kind of decelerating clutch of washing machine according to claim 4, it is characterized in that, the lower ending opening of described braked wheel (11) is enclosed within power shaft and puts, the lower ending opening of braked wheel (11) axially stretches out and forms braked wheel installation portion (1103), arranges at least two set the 3rd bearings (26) between braked wheel installation portion (1103) and input axle sleeve (12);Described deceleration device includes housing, described braked wheel (11) is arranged on enclosure interior, at least a set of second bearing (25) is set between braked wheel installation portion (1103) and the lower end of housing, preferably, described the second bearing (25), the 3rd bearing (26) are rolling bearing.
CN201410767580.7A 2014-12-12 2014-12-12 A kind of Washing machine dewatering shaft and speed-reducing clutch Active CN105734903B (en)

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* Cited by examiner, † Cited by third party
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WO2020259349A1 (en) * 2019-06-27 2020-12-30 青岛海尔洗衣机有限公司 Washing machine speed-reducing clutch apparatus and washing machine

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CN203834216U (en) * 2014-05-16 2014-09-17 温州嘉丰机械有限公司 Novel speed reduction clutch for washing machine
CN104790177A (en) * 2014-01-22 2015-07-22 海尔集团公司 Slowdown clutch for washing machine

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KR930006700B1 (en) * 1991-04-23 1993-07-22 주식회사 금성사 Power transfer apparatus in full-automatic washing machine
JP2001190889A (en) * 2000-01-12 2001-07-17 Matsushita Electric Ind Co Ltd Washing machine
KR20010079351A (en) * 2001-07-09 2001-08-22 민태식 A washing machine with power conversion apparatus
CN2644465Y (en) * 2003-07-01 2004-09-29 杭州川崎精工机有限公司 Clutch of double power washing machine
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CN104790177A (en) * 2014-01-22 2015-07-22 海尔集团公司 Slowdown clutch for washing machine
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Publication number Priority date Publication date Assignee Title
WO2020259349A1 (en) * 2019-06-27 2020-12-30 青岛海尔洗衣机有限公司 Washing machine speed-reducing clutch apparatus and washing machine

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