CN105463769A

CN105463769A - Washing machine deceleration clutch and washing machine

Info

Publication number: CN105463769A
Application number: CN201410373942.4A
Authority: CN
Inventors: 迟宗锐; 栾厚利; 李全德; 肖磊; 陈志�; 李作强
Original assignee: Qingdao Haier Washing Machine Co Ltd
Current assignee: Qingdao Haier Washing Machine Co Ltd
Priority date: 2014-07-31
Filing date: 2014-07-31
Publication date: 2016-04-06
Anticipated expiration: 2034-07-31
Also published as: CN105463769B

Abstract

The invention provides a washing machine deceleration clutch and a washing machine. The washing machine deceleration clutch comprises an input shaft, a deceleration device, a clutch device, an output shaft and an output shaft sleeve, wherein the clutch device is formed by a clutch platen and a clutch shaft sleeve; the clutch shaft sleeve covers the circumferential periphery of the deceleration device; the clutch platen rotationally move surrounding the axis to drive the clutch shaft sleeve to axially move; a first position of the clutch shaft sleeve movement is connected with a fixing device; the fixing device and an external cylinder of the washing machine are relatively fixed, so a washing work condition can be achieved; a second position of the clutch shaft sleeve movement is connected with a rotor of a direct-drive motor, so a dehydrating work condition can be achieved. The clutch device is arranged on the circumferential periphery of the deceleration device, so overall height of the deceleration clutch can be reduced, washing machine size can be reduced with the same of the washing capacity or washing capacity can be increased with the same of the washing machine size.

Description

A kind of decelerating clutch of washing machine and washing machine

Technical field

The present invention relates to washing machine technology field, particularly, relate to a kind of decelerating clutch of washing machine and washing machine.

Background technology

Washing machine is household electrical appliance conventional in people's daily life, installs laundry mode difference, is divided into roller washing machine and rotary drum washing machine.Roller washing machine generally includes urceolus, cylinder and motor, and motor head roll washs clothing dynamic realization of urceolus transfer or dewaters.Present roller washing machine just utilizes merely the rotation of cylinder to wash, and only utilizes the lifting rib in cylinder to promote and the mode leaving washings is beaten clothing and washed, and is difficult to obtain outstanding clean result.Present roller washing machine increases impeller in addition in cylinder, and impeller and cylinder drive it to rotate to optimize clean effect by independently motor respectively.Owing to adopting two motors, the manufacturing cost of roller washing machine is caused to increase.

Solve the rotation that a motor can drive impeller and cylinder, adopt speed-reducing clutch to be a kind of well mode.But general speed-reducing clutch arrangement of clutch and deceleration device are positioned at same axial direction, general motor, arrangement of clutch, deceleration device set gradually vertically, like this, the space that speed-reducing clutch takies can be very large, if and the space that speed-reducing clutch takies is large, in the shell of same volume, the space of cylindric washer will diminish, washing capacity will diminish, if require that washing capacity can not diminish, just need the volume increasing washing machine, nowadays how the washing machine of same volume accomplishes that maximum washing capacity is a problem being sought after studying

The impeller of rotary drum washing machine and interior bucket rotate and adopt speed-reducing clutch to control, and how the washing machine facing same volume equally accomplishes maximum washing capacity, or how the washing machine of identical washing capacity accomplishes minimum volume.

Because decelerating clutch of washing machine is arranged on bottom outer barrel/cylinder, and the diameter of outer barrel/cylinder is more much larger than the diameter of speed-reducing clutch, so the surrounding of speed-reducing clutch also has very large space, if this segment space does not install other structure, waste spatially will be caused, and the waste causing bottom space further axially installed successively by deceleration device and arrangement of clutch, so, the axial setting height(from bottom) of arrangement of clutch and deceleration device is reduced, to reduce the integral installation height of speed-reducing clutch, increase washing capacity.

Given this present invention is proposed.

Summary of the invention

Object of the present invention, for overcoming the deficiencies in the prior art, provides the decelerating clutch of washing machine that a kind of axial height diminishes.In order to realize this object, the present invention adopts following technical scheme:

A kind of decelerating clutch of washing machine, comprise: power shaft, deceleration device, arrangement of clutch, output shaft and output sleeve, described arrangement of clutch comprises clutch platen and clutch axle sleeve, clutch axle sleeve is sleeved on the week of deceleration device to the periphery, and clutch pressure armor rotates about the axis motion and drives clutch shaft cover to move axially; The primary importance of described clutch axle sleeve movement is connected with fixture, and fixture is relative with washing machine urceolus to be fixedly installed, and realizes washing operating mode; The second place of described clutch axle sleeve movement is connected with the rotor of direct driving motor, realizes dehydration condition.

Further, described fixture is fixed disk, and fixed disk is arranged on one end that deceleration device passes for output shaft, and the rotor of described direct driving motor is fixedly connected with clutch discs, and the second place of clutch axle sleeve movement is connected with clutch discs; Be meshed with fixed disk/clutch discs respectively when described clutch shaft cover moves axially and realize washing/dehydrating operating mode.

Further, the ring gear that described deceleration device comprises deceleration train and is meshed with deceleration train; Preferably, described deceleration device comprises planetary gear and ring gear, and described ring gear is clutch axle sleeve, and clutch shaft cover moves axially, or described clutch axle sleeve is the week individual member being to the periphery sleeved on ring gear, clutch axle sleeve is circumferential relative to ring gear to be fixed and moves axially.

Further, the end, two ends of described clutch axle sleeve arranges end-tooth, and end-tooth realizes engaging with fixed disk and clutch discs when clutch shaft cover moves axially respectively; The sidewall outer setting annular boss of described clutch axle sleeve, clutch platen comprises circular body, and annular boss matches with the circular body of clutch platen.

Further, comprise speed-reducing clutch shell, one end of speed-reducing clutch shell is fixedly installed relative to washing machine urceolus, and the other end extend in the internal cavities of the rotor of direct driving motor; Described deceleration device and arrangement of clutch are arranged on the inside of speed-reducing clutch shell.

Further, described speed-reducing clutch shell arranges clutch platen near the inside, one end of rotor, it is protruding that the one side that clutch platen contacts with speed-reducing clutch shell arranges at least one first wedge shape, and one end inwall of speed-reducing clutch shell corresponds to the first wedge shape projection and arranges the second wedge shape projection; The second described wedge shape projection supports the first wedge shape projection promotion clutch platen and moves axially in clutch pressure disc spins process.

Further, described speed-reducing clutch shell also comprises the installing plate be fixedly mounted on washing machine urceolus, forms internal chamber between installing plate and speed-reducing clutch shell, and described deceleration device and arrangement of clutch are arranged in internal chamber; The inwall of described installing plate is arranged the fixed disk of arrangement of clutch, described fixed disk be fixed on installing plate inwall on and there is the individual member of the teeth groove be meshed with clutch axle sleeve, or described fixed disk is formed by the inwall of installing plate being offered the teeth groove be meshed with clutch axle sleeve.

Further, described deceleration device comprise central gear, planetary gear, for installing planetary planetary wheel carrier, the ring gear engaged with planetary gear, power shaft is connected with central gear or power shaft and central gear are wholely set, and planetary wheel carrier is fixedly connected with output sleeve; Described clutch axle sleeve is the ring gear of deceleration device, or the outer wall of described ring gear is provided with axial guiding spline, and the inwall of clutch axle sleeve is provided with the guide chute with the spline fitted that leads; Preferred described power shaft and described output shaft are an axis.

Further, between described speed-reducing clutch shell and output sleeve, clutch shaft bearing is set, between described speed-reducing clutch shell and power shaft, the second bearing is set, described deceleration device is arranged between clutch shaft bearing and the second bearing, and deceleration device and clutch shaft bearing, the second bearing next-door neighbour are arranged.

Further, described output sleeve has a slab construction; Described output shaft is connected with the impeller of washing machine, output sleeve is connected with bucket in washing machine by slab construction, or described output shaft is connected with the impeller of washing machine, output sleeve is connected with the cylinder of washing machine by slab construction, or described output shaft is connected with the first cylinder of washing machine, and output sleeve is connected with the second tin roller of washing machine by slab construction.

Further, described clutch platen comprises driving lever, the sidewall of described speed-reducing clutch shell is provided with breach, described driving lever stretches out speed-reducing clutch shell by breach and is connected with drive motors, drive motors drives clutch platen to carry out partial circle motion by driving lever, or partial circle reciprocating motion, or circular motion.

Invention also provides a kind of washing machine adopting above-mentioned speed-reducing clutch.After adopting technical solutions according to the invention, bring following beneficial effect:

1, arrangement of clutch of the present invention is arranged on the week of deceleration device to the periphery, save the original axial space installing arrangement of clutch, make the structure installment of deceleration device and arrangement of clutch more compact, reduce the whole height of speed-reducing clutch, thus reduce the volume of washing machine when washing capacity is constant, or increase washing capacity when washing machine constancy of volume.

2, speed-reducing clutch of the present invention stretches in the cavity of direct driving motor at least partly, further reduces the axial space that speed-reducing clutch takies, for washtub provides larger space.

3, speed-reducing clutch of the present invention is directly connected with direct driving motor stator, eliminates the connector of the two, reduces the quantity of part, and structure is simple, easy to assembly, saves cost.

4, the ring gear of speed-reducing clutch of the present invention is as the clutch axle sleeve of arrangement of clutch, eliminates independent clutch axle sleeve, decreases the quantity of part, and structure is simple, easy to assembly, saves cost.

5, the ring gear of speed-reducing clutch of the present invention and arrangement of clutch are arranged separately, are slidably connected, and ring gear is axially static, and what the sealing of such ring gear became is more prone to, also can not be too high to the requirement of machining accuracy, thus cuts down finished cost.

6, speed-reducing clutch axial arrangement of the present invention is compact, and each structure next-door neighbour is arranged, and reduces axially to take up room.

Accompanying drawing explanation

Fig. 1: speed-reducing clutch structural blast figure of the present invention;

Fig. 2: speed-reducing clutch structure sectional view of the present invention;

Fig. 3: another embodiment of the present invention speed-reducing clutch structural blast figure;

Fig. 4: another embodiment of the present invention speed-reducing clutch structure sectional view;

Fig. 5: the anatomical connectivity schematic diagram of clutch platen of the present invention and drive motors;

Fig. 6: the another anatomical connectivity schematic diagram of clutch platen of the present invention and drive motors;

Fig. 7: the another anatomical connectivity exploded view of clutch platen of the present invention and drive motors;

Fig. 8: the stereogram one of speed-reducing clutch shell of the present invention;

Fig. 9: speed-reducing clutch shell of the present invention stereogram two;

Figure 10: the structural representation of output sleeve of the present invention.

Wherein: 1, power shaft, 2, output shaft, 3, output sleeve, 4, ring gear, 5, end-tooth, 6, rotor, 7, stator, 8, installing plate, 9, teeth groove, 10, centre wheel, 11, planetary gear, 12, pinion frame, 13, clutch shaft bearing, 14, second bearing, 15, depressed part, 16, threaded fastener, 17, annular boss, 18, back-moving spring, 19, speed-reducing clutch shell, 191, first end, 192, sidewall, 193, the second end, 194, reinforcement, 195, bearing block, 20, clutch platen, 21, clutch axle sleeve, 22, driving lever, 23, clutch discs, 24, guiding spline, 25, guide chute, 26, annulus body, 27, first wedge shape is protruding, and 271, first plane, 272, second plane, 28, driving lever, 281, chute, 29, second wedge shape is protruding, and 291, second plane, 292, second inclined-plane, 30, breach, 31, drive motors, 311, motor shaft, 32, slide block, 33, pinion, 34, tooth bar, 35, slab construction.

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:

embodiment one

As shown in Figure 1-2, a kind of decelerating clutch of washing machine, comprise: power shaft 1, deceleration device, arrangement of clutch, output shaft 2 and output sleeve 3, described arrangement of clutch comprises clutch platen 20 and clutch axle sleeve 21, clutch axle sleeve 21 is sleeved on the week of deceleration device to the periphery, power shaft place straight line is projected to small part overlap, and clutch platen 20 rotary motion drives clutch axle sleeve 21 to move axially; The ring gear that described deceleration device comprises deceleration train and is meshed with deceleration train; Preferably, described deceleration device comprises planetary gear 11, and clutch axle sleeve 21 is engage each other with planetary gear and the ring gear that can move axially; Described clutch axle sleeve 21 moves axially and controls output shaft 2 and output sleeve 3 realization dehydration/washing operating mode.

If above-mentioned washing machine erects bucket rotary drum washing machine, described output shaft 2 is connected with impeller, described output sleeve 3 is connected with interior bucket, if above-mentioned washing machine cylinder rotary drum washing machine, described output shaft 2 is connected with impeller, and described output sleeve 3 is connected with cylinder, if above-mentioned washing machine Double-rotary drum washing machine, described output shaft 2 is connected with the first cylinder, and described output sleeve 3 is connected with second tin roller.

Above-mentioned different output state comprises, described output shaft 2 and the synchronized in the same way rotation of output sleeve 3, this kind of state is dewatering state, different output state also comprises, described output shaft 2 and output sleeve 3 differential speed rotation in the same way, this kind of state is washing state, can be used for cylinder rotary drum washing machine or full-automatic impeller type washing machine, different output state also comprises, described output shaft 2 and output sleeve 3 reversely rotate, this kind of state is washing state, can be used for double dynamical rotary drum washing machine and Double-rotary drum washing machine, different output state also comprises, described output shaft 2 rotates dynamic and output sleeve 3 free state, can be used for false two-power washing machine.

The clutch axle sleeve 21 of arrangement of clutch of the present invention is sleeved on the week of deceleration device to the periphery, clutch axle sleeve 21 and deceleration device share axial height, the part axial space that original arrangement of clutch can be taken saves, make the structure installment of deceleration device and arrangement of clutch more compact, reduce the whole height of speed-reducing clutch, thus the volume of washing machine can be reduced when washing capacity is constant, or increase washing capacity when washing machine constancy of volume.In the research and development of washing machine, to improve very greatly all at last even if the axial space that bottom washtub/cylinder, speed-reducing clutch takies reduces several millimeters, will be very large on the impact of washing capacity, and the axial length of general clutch axle sleeve can reach tens millimeters, clutch axle sleeve is put into the outside of the reduction gearing of deceleration device by the present invention, the axial length of clutch axle sleeve is saved, washing capacity is had and improves greatly.

And the ring gear 4 of speed-reducing clutch of the present invention is as the clutch axle sleeve of arrangement of clutch, eliminates independent clutch axle sleeve, decrease the quantity of part, structure is simple, easy to assembly, saves cost.

Power shaft 1 is connected with direct driving motor, and described deceleration device is arranged in the cavity of direct driving motor stator 7 at least partly, and the gear parts of preferred described deceleration device is arranged in the cavity of direct driving motor stator 7.

Shell 19 of the present invention is set outside clutch axle sleeve 21, shell 19, speed-reducing clutch shell 19 is relative with washing machine urceolus fixing, and part is arranged in the cavity of direct driving motor stator 7, speed-reducing clutch shell 19 comprises the second end 193, and this second end 193 is fixedly connected with washing machine urceolus, and preferred described speed-reducing clutch shell 19 also comprises installing plate 8, installing plate 8 is fixedly connected with washing machine urceolus, and the second end 193 is fixedly mounted on installing plate 8.

Described clutch axle sleeve 21 is a tube-in-tube structure, the two ends of clutch axle sleeve 21 are respectively equipped with end-tooth 5, clutch axle sleeve 21 can move axially and at least be in primary importance and the second place, and during primary importance state, the end-tooth 5 of clutch axle sleeve 21 one end is connected with a rotational structure, clutch axle sleeve 21 and the synchronized in the same way rotation of rotor 6, this state is dewatering state, and during the second place, the end-tooth 5 of clutch axle sleeve 21 other end is connected with a fixed structure, clutch axle sleeve 21 is fixed, and this state is washing state.Or the 3rd position can also be had, during the 3rd location status, the end-tooth 5 at clutch axle sleeve 21 two ends all not with other anatomical connectivity, described clutch axle sleeve 21 is in free state, and this state is also generally washing state.

Described rotational structure is the rotor 6 of direct driving motor or is clutch discs 23 relatively-stationary with rotor 6, and described fixed structure is urceolus or shell 19 or is fixed disk relatively-stationary with shell 19.

The installing plate 8 of speed-reducing clutch is provided with the teeth groove 9 corresponding with the end-tooth 5 of clutch axle sleeve 21, the end-tooth 5 of described clutch axle sleeve 21 stretches into corresponding teeth groove 9, installing plate 8 is directly connected with clutch axle sleeve 21, this kind of connected mode, structure is simple, assembling is simple, parts are less, cost-saving, or the installing plate 8 of described speed-reducing clutch is arranged a fixed disk (fixed disk is not shown in the drawings), described fixed disk is provided with the teeth groove 9 corresponding with the end-tooth 5 of clutch axle sleeve 21, the end-tooth 5 of described clutch axle sleeve 21 stretches into corresponding teeth groove 9, installing plate 8 is connected indirectly with clutch axle sleeve 21, this kind of connected mode is more conducive to the service life of installing plate, if clutch axle sleeve 21 is directly connected with the teeth groove 9 on installing plate 8 by end-tooth 5, because in rotation process, moment of torsion is larger, after teeth groove 9 damages, whole installing plate all need be changed, if connected by the teeth groove 9 on fixed disk, after teeth groove 9 on fixed disk damages, only can change fixed disk, it is more convenient that the maintenance in the future of such washing machine becomes.

The rotor 6 of direct driving motor is provided with the teeth groove 9 corresponding with the end-tooth 5 of clutch axle sleeve 21, and the end-tooth 5 of described clutch axle sleeve 21 stretches into corresponding teeth groove 9, and rotor 6 is directly connected with clutch axle sleeve 21, this kind of connected mode, structure is simple, assembling is simple, and parts are less, cost-saving, or rotor 6 is connected with clutch axle sleeve 21 by a clutch discs 23, described clutch discs 23 and rotor 6 are fixed or described clutch discs 23 is fixed with power shaft 1, described clutch discs 23 is provided with the teeth groove 9 corresponding with the end-tooth 5 of clutch axle sleeve 21, the end-tooth 5 of described clutch axle sleeve 21 stretches into corresponding teeth groove 9, rotor 6 is connected indirectly with clutch axle sleeve 21, this kind of connected mode plays better protective effect to rotor, because rotor high-speed during dehydration rotates, moment of torsion is larger, on rotor 6, fluting can bring impact to the intensity of rotor 6, so the thickness of rotor 6 must be increased, the increase of cost and the increase of weight can be caused, so indirectly connect for preferred embodiment by clutch discs 23, further preferably clutch discs 23 is fixedly connected with rotor, mode by interference fit or spline joint connects.

The ring gear that deceleration device comprises deceleration train and is meshed with deceleration train, different output state is determined by the ratio wheel architecture of deceleration device inside.As a kind of preferred embodiment of invention, the ring gear of the present embodiment is as clutch axle sleeve 21, deceleration device comprises central gear 10, the planetary gear 11 engaged with central gear 10, the clutch axle sleeve 21 engaged with planetary gear 11, power shaft 1 one end of described speed-reducing clutch is connected with the rotor 6 of direct driving motor, the other end is connected with central gear 10, output shaft 2 one end of described speed-reducing clutch is connected the other end with central gear 10 and is connected with agitation wheel for washing machine, output sleeve 3 one end of described speed-reducing clutch is connected the other end with planetary pinion frame 12 and is connected with washing of drum type washing machine cylinder, the clutch axle sleeve 21 that described arrangement of clutch comprises deceleration device and the drive unit driving ring gear to move axially.Because ring gear is as clutch axle sleeve, so preferably ring gear is not connected driver output axle sleeve 3 with output sleeve 3.

Above-mentioned power shaft 1 and output shaft 2 can be two axles, be connected with central gear respectively, or above-mentioned power shaft 1 and output shaft 2 be one coaxial, the present invention preferably power shaft 1 and output shaft 2 be one coaxial, this kind of situation power shaft 1 and output shaft 2 need the support of two bearings just passable, further shorten the axial length of speed-reducing clutch.

Between described installing plate 8 and output sleeve 3, clutch shaft bearing 13 is set, second bearing 14 is set between the bearing block 195 of described speed-reducing clutch shell 19 and power shaft 1, described deceleration device is arranged between clutch shaft bearing 13 and the second bearing 14, and clutch shaft bearing 13, deceleration device and the second bearing 14 next-door neighbour is arranged.Axially compact conformation, saves space.

Output shaft 2 is arranged on the inside of output sleeve 3, between the installing plate 8 of output sleeve 3 and speed-reducing clutch, clutch shaft bearing 13 is set, described power shaft 1 is directly or indirectly fixedly connected with rotor 6, power shaft 1 is arranged a clutch discs 23, spline joint is passed through between described power shaft 1 and clutch discs 23, arrange the second bearing 14 between described clutch discs 23 and shell 19, described deceleration device and arrangement of clutch are arranged between clutch shaft bearing 13 and the second bearing 14.Install before being equivalent on the axial distance of deceleration device, present deceleration device and arrangement of clutch are installed, substantially reduce the axial space taken of speed-reducing clutch, deceleration device and arrangement of clutch are projected to small part overlap at power shaft place straight line, both ensure that the effect that can realize clutch, can also greatly save the axial space taken.

Speed-reducing clutch stretches in the cavity of direct driving motor at least partly, preferred described deceleration device is arranged in the cavity of direct driving motor stator at least partly, preferably the gear parts of deceleration device is arranged in the cavity of the stator of direct driving motor further, such direct driving motor and speed-reducing clutch have also shared axial space, further reduce the axial space shared by outer barrel/cylinder polycrystalline substance, reserve more space to increase scrubbing space.

Described power shaft 1 is connected with direct drive motor rotor 6 center, cave in power shaft 1 side in rotor 6 center, form a depressed part 15 be connected with power shaft 1, the degree of depth of depression is enough to the head of the threaded fastener 16 of hiding rotor 6 and power shaft 1, like this head of threaded fastener 16 is hidden in depressed part 15, the head of threaded fastener 16 has also shared axial space with direct driving motor, the head of threaded fastener 16 is not in axial occupation space, further reduce the axial space shared by outer barrel/cylinder polycrystalline substance, reserve more space to increase scrubbing space.

The installing plate 8 of speed-reducing clutch is directly connected with the stator 7 of direct driving motor, eliminates the connector of the two, reduces the quantity of part, and structure is simple, easy to assembly, saves cost.Described deceleration device is arranged in the cavity of stator 7 and installing plate 8 composition, and described installing plate 8, deceleration device and direct driving motor are close to setting in the axial direction.Axially compact conformation, saves space.

The clutch type of drive of a kind of decelerating clutch of washing machine of the present invention: the drive unit driving clutch axle sleeve 21 to move axially at least comprises the clutch platen 20 that arrange coaxial with clutch axle sleeve 21, moving axially of described clutch platen 20 circumferential rotating drive clutch axle sleeve 21.

Because supporting construction is fixing, when clutch platen 20 rotates, when the peak of the first wedge shape projection 27 contacts with the peak of the second wedge shape projection 28, clutch axle sleeve 21 is expressed to another location axially by the other end of clutch platen 20, when clutch platen 20 is rotated further or rotates backward, when the peak of the first wedge shape projection 27 contacts with the minimum point of the second wedge shape projection 28, clutch axle sleeve 21 is got back to again original, because supporting construction is fixing, when clutch platen 20 rotates, when the peak of the first wedge shape projection 27 contacts with the peak of the second wedge shape projection 28, clutch axle sleeve 21 is expressed to another location axially by the other end of clutch platen 20, when clutch platen 20 is rotated further or rotates backward, when the peak of the first wedge shape projection 27 contacts with the minimum point of the second wedge shape projection 28, clutch axle sleeve 21 gets back to home position again.

This kind of drive unit, structure is simple, axially take up room little, thus reduce the whole height of speed-reducing clutch, leave more spatial placement larger for washtub/cylinder, increase washing capacity, make the volume reducing washing machine when washing capacity is constant, or increase washing capacity when washing machine constancy of volume.

Drive unit also comprises a back-moving spring 18, described clutch platen and described back-moving spring are arranged on the periphery of ring gear, clutch platen and described back-moving spring do not take separately axial height space, described clutch axle sleeve 21 outer wall is provided with annular boss 17, clutch platen 20 is arranged on the side of annular boss 17, and back-moving spring 18 is arranged on the opposite side of annular boss.Or described clutch platen 20 and back-moving spring 18 are arranged on the same side of annular boss.

Clutch platen 20 and back-moving spring 18 also can be separately positioned on the both sides of annular boss 17, when clutch platen 20 rotates, when the peak of the first wedge shape projection 27 contacts with the peak of the second wedge shape projection 28, clutch axle sleeve 21 is expressed to another location axially by the other end of clutch platen 20, back-moving spring 18 is compressed, when clutch platen 20 is rotated further or rotates backward, when the peak of the first wedge shape projection 27 contacts with the minimum point of the second wedge shape projection 28, the extruding force of clutch platen 20 pairs of clutch axle sleeves 21 disappears, back-moving spring 18 restoring force makes clutch axle sleeve 21 get back to home position again.

Certain clutch platen 20 and back-moving spring 18 also can be arranged on the same side of annular boss 17, clutch platen 20 extrudes annular boss 17 when driving 21 movement of clutch axle sleeve, back-moving spring 18 under tension, when the extruding force of clutch platen 20 pairs of clutch axle sleeves 21 disappears, back-moving spring 18 restoring force makes clutch axle sleeve 21 get back to home position again.

Described supporting construction is speed-reducing clutch shell 19, institute, the inwall of the first end 191 of described speed-reducing clutch shell 19 is provided with and coordinates and the second wedge shape projection 29 of reversed dip with the first wedge shape protruding 27 on clutch platen 20, and the other end of back-moving spring 18 is supported on the installing plate 8 of speed-reducing clutch.

Or described supporting construction is the installing plate 8 of speed-reducing clutch, described installing plate 8 is provided with and coordinates and the second wedge shape projection 29 of reversed dip with the first wedge shape protruding 27 on clutch platen 20, and the other end of back-moving spring 18 is supported on installing plate 8.

As shown in Fig. 5, Fig. 6, Fig. 7 and Fig. 9, one end of clutch platen 20 is provided with at least two the first wedge shape projections 27, multiple first wedge shape projection 27 is about the center of circle Central Symmetry of clutch platen 20, described first wedge shape projection 27 comprises the first inclined-plane 272 and the first plane 271, the supporting construction of described clutch platen 20 is provided with and second wedge shape projection 29 of reversed dip identical with protruding 27 shapes of the first wedge shape on clutch platen 20, and described second wedge shape projection 29 comprises the second inclined-plane 292 and the second plane 291 coordinated with the first inclined-plane 272 and the first plane 271.When first inclined-plane 272 and the second inclined-plane 292 coordinate completely, clutch axle sleeve 21 in a state of nature; Clutch platen 20 rotates the first wedge shape projection 27 and rotates gradually, because supporting construction is fixing, when clutch platen 20 rotation extruding clutch axle sleeve 21 to the first plane 271 and the second plane 291 coordinate completely, clutch axle sleeve 21 is expressed to another location axially by clutch platen 20, back-moving spring 18 is compressed, when clutch platen 20 is rotated further or rotates backward, the extruding force of clutch platen 20 pairs of clutch axle sleeves 21 disappears, and back-moving spring 18 restoring force makes clutch axle sleeve 21 get back to home position again.

Or it is recessed that the supporting construction of described clutch platen 20 is provided with identical with protruding 27 shapes of the first wedge shape on clutch platen 20 wedge shape, and described wedge shape is recessed comprises the inclined-plane and plane that coordinate with the first inclined-plane and the first plane.Clutch platen 20 turn to described first wedge shape projection 27 enter completely the wedge shape be equipped with it recessed interior time, clutch axle sleeve 21 is in a state of nature; Clutch platen 20 rotates the first wedge shape projection 27, and to screw out wedge shape gradually recessed, because supporting construction is fixing, clutch axle sleeve 21 is expressed to another location axially by clutch platen 20, back-moving spring 18 is compressed, when clutch platen 20 is rotated further or rotates backward, it is recessed that first wedge shape projection 27 screws in again wedge shape gradually, and the extruding force of clutch platen 20 pairs of clutch axle sleeves 21 disappears, and back-moving spring 18 restoring force makes clutch axle sleeve 21 get back to home position again.

Annulus body 26 outer circumference of clutch platen 20 is provided with the driving lever 28 driving clutch platen to rotate, preferred driving lever 28 is structure as a whole with the annulus body 26 of clutch platen 20, described speed-reducing clutch shell 19 is provided with a breach 30, described driving lever 28 stretches out speed-reducing clutch shell 19 by this breach 30, described driving lever 28 connects a drive motors 31, driving lever 28 is arranged the slotted hole passed for drive motors 31 motor shaft, under the effect of drive motors 31, drive motors 31 motor shaft moves back and forth, drive the reciprocating rotation of driving lever 28, thus realize the reciprocating rotation of clutch platen 20.Preferably, described drive motors 31 is push-and-pull motor.

The mode of certain drive clutch platen 20 low-angle reciprocating rotation has a lot, can also by the type of drive of gear: driving lever is provided with fan-shaped circumference gear or fan-shaped face gear, one motor drives another pinion rotation, this gear and fan-shaped circumference gear or fan-shaped end face gears meshing, motor-driven gear rotating, the reciprocating rotation of driving lever 28 can be realized, thus realize the reciprocating rotation of clutch platen 20.

The rotation of clutch platen 20 can also be driven by crank-rocker mechanism.

As shown in Figure 10, described output sleeve 3 has a slab construction 35; Described output shaft 2 is connected with the impeller of washing machine, output sleeve 3 is connected with the interior bucket of washing machine by slab construction 35, or described output shaft 2 is connected with the impeller of washing machine, output sleeve 3 is connected with the cylinder of washing machine by slab construction 35, or described output shaft 2 is connected with the first cylinder of washing machine, output sleeve 3 is connected with the second tin roller of washing machine by slab construction 35.The present invention is connected with interior bucket by arranging slab construction 35 on output sleeve 3, and make the mounting means of output sleeve 3 more easy, preferably, described slab construction 35 is ring flange.

embodiment two

As shown in Figure 3, Figure 4, a kind of decelerating clutch of washing machine of the present invention, comprise: power shaft 1, deceleration device, arrangement of clutch, output shaft 2 and output sleeve 3, described arrangement of clutch comprises clutch platen 20 and clutch axle sleeve 21, clutch axle sleeve 21 is sleeved on the week of deceleration device to the periphery, and clutch platen 20 rotary motion drives clutch axle sleeve 21 to move axially; Described deceleration device comprises planetary gear 11, clutch axle sleeve 21 is engage each other with planetary gear and the ring gear that can move axially, or described deceleration device comprises intermeshing planetary gear 11 and ring gear 4, clutch axle sleeve 21 and ring gear 4 engage each other and can move axially; Described clutch axle sleeve 21 moves axially and controls output shaft 2 and output sleeve 3 realization dehydration/washing operating mode.

Arrangement of clutch of the present invention is arranged on the periphery of deceleration device, the part axial space that original arrangement of clutch can be taken saves, thus the volume of washing machine can be reduced when washing capacity is constant, or increase washing capacity when washing machine constancy of volume.In the research and development of washing machine, to improve very greatly all at last even if the axial space that bottom washtub/cylinder, speed-reducing clutch takies reduces several millimeters, will be very large on the impact of washing capacity, and the axial length of general clutch axle sleeve can reach tens millimeters, clutch axle sleeve is put into the outside of the reduction gearing of deceleration device by the present invention, the axial length of clutch axle sleeve is saved, washing capacity is had and improves greatly.

The ring gear that deceleration device comprises deceleration train and is meshed with deceleration train, different output state is determined by the ratio wheel architecture of deceleration device inside.As a kind of preferred embodiment of the present invention, the circumference periphery suit clutch shaft cover 21 of ring gear 4, deceleration device comprises the central gear 10 be connected with power shaft 1, the planetary gear 11 engaged with central gear 10, the ring gear 4 engaged with planetary gear 11, the drive unit that described arrangement of clutch comprises clutch axle sleeve 21 and drives clutch axle sleeve 21 to move axially, it is outside that clutch axle sleeve 21 is arranged on ring gear 4, the outer wall of described ring gear 4 is provided with axial guiding spline 24, and described clutch axle sleeve 21 inwall is provided with the guide chute 25 coordinated with the spline 24 that leads.Clutch axle sleeve 21 can move in the axial direction in the outside of ring gear 4, complete the anatomical connectivity with different conditions, as rotational structure and fixed structure, and ring gear 4 is axially static, what the sealing of such ring gear 4 became is more prone to, also can not be too high to the requirement of machining accuracy, thus cut down finished cost, if ring gear 4 slides axially, higher to the seal request be slidably connected, so, arrange one in the present invention can slide in the axial direction and the clutch axle sleeve 21 of the anatomical connectivity of different conditions, complete the function of clutch, simultaneously, its internal circumferential can drive ring gear 4 have identical rotary state with clutch axle sleeve 21.

One speed-reducing clutch shell 19 is set outside clutch axle sleeve 21, speed-reducing clutch shell 19 is relative with washing machine urceolus fixing, and part is arranged in the cavity of direct driving motor stator 7, preferred described speed-reducing clutch shell 19 comprises the second end 193, the second end 193 is fixedly connected with washing machine urceolus, preferred described speed-reducing clutch shell 19 also comprises installing plate 8, and installing plate 8 is fixedly connected on washing machine urceolus, the installing plate 8 of the second end 193 speed-reducing clutch.

Described clutch axle sleeve 21 is a tube-in-tube structure, the two ends of clutch axle sleeve 21 are respectively equipped with end-tooth 5, clutch axle sleeve 21 can move axially and be in primary importance and the second place, during primary importance state, the end-tooth 5 of one end of clutch axle sleeve 21 is connected with the rotor 6 of direct driving motor, clutch axle sleeve 21 and the synchronized in the same way rotation of rotor 6, this state is dewatering state, during the second place, the end-tooth 5 of clutch axle sleeve 21 other end is connected with the installing plate 8 of speed-reducing clutch, clutch axle sleeve 21 is fixed, and this state is washing state.Or the 3rd position can also be had, during the 3rd location status, the end-tooth 5 at clutch axle sleeve 21 two ends all not with other anatomical connectivity, described ring gear 4 is in free state, and this state is also generally washing state.

Described rotational structure be direct driving motor rotor 6 or for clutch discs 23 relatively-stationary with rotor 6, described fixed structure be urceolus or speed-reducing clutch shell 19 for or be fixed disk relatively-stationary with speed-reducing clutch shell 19.

The installing plate 8 of speed-reducing clutch is provided with the teeth groove 9 corresponding with the end-tooth 5 of clutch axle sleeve 21, the end-tooth 5 of described clutch axle sleeve 21 stretches into corresponding teeth groove 9, installing plate 8 is directly connected with clutch axle sleeve 21, this kind of connected mode, structure is simple, assembling is simple, parts are less, cost-saving; Or the installing plate 8 of described speed-reducing clutch is arranged a fixed disk (fixed disk is not shown in the drawings), described fixed disk is provided with the teeth groove 9 corresponding with the end-tooth 5 of clutch axle sleeve 21, the end-tooth 5 of described clutch axle sleeve 21 stretches into corresponding teeth groove 9, and installing plate 8 is connected indirectly with clutch axle sleeve 21.This kind of connected mode is more conducive to the service life of installing plate 8, if clutch axle sleeve 21 is directly connected with the teeth groove 9 on installing plate 8 by end-tooth 5, because in rotation process, moment of torsion is larger, after teeth groove 9 damages, whole installing plate 8 all need be changed, if connected by the teeth groove 9 on fixed disk, after the teeth groove 9 on fixed disk damages, only can change fixed disk, it is more convenient that the maintenance in the future of such washing machine becomes.

The rotor 6 of direct driving motor is provided with the teeth groove 9 corresponding with the end-tooth 5 of clutch axle sleeve 21, and the end-tooth 5 of described clutch axle sleeve 21 stretches into corresponding teeth groove 9, and rotor 6 is directly connected with clutch axle sleeve 21, this kind of connected mode, structure is simple, assembling is simple, and parts are less, cost-saving, or rotor 6 is connected with clutch axle sleeve 21 by a clutch discs 23, described clutch discs 23 and rotor 6 are fixed or described clutch discs 23 is fixed with power shaft 1, described clutch discs 23 is provided with the teeth groove 9 corresponding with the end-tooth 5 of clutch axle sleeve 21, the end-tooth 5 of described clutch axle sleeve 23 stretches into corresponding teeth groove 9, rotor 6 is connected indirectly with clutch axle sleeve 21, this kind of connected mode plays better protective effect to rotor 6, due to rotor 6 High Rotation Speed during dehydration, moment of torsion is larger, on rotor 6, fluting can bring impact to the intensity of rotor 6, so the thickness of rotor 6 must be increased, the increase of cost and the increase of weight can be caused, so indirectly connect for preferred embodiment by clutch discs 23, further preferably clutch discs 23 is fixedly connected with rotor, mode by interference fit or spline joint connects.

Power shaft 1 one end of speed-reducing clutch is connected the other end and is connected with the rotor 6 of direct driving motor with central gear 10, output shaft 2 one end of described speed-reducing clutch is connected the other end with central gear 10 and is connected with agitation wheel for washing machine, and output sleeve 3 one end of described speed-reducing clutch is connected the other end with the pinion frame 12 of planetary gear 11 and is connected with washing of drum type washing machine cylinder.Because ring gear 4 is identical with the rotary state of clutch axle sleeve 21, so preferably ring gear 4 is not connected driver output axle sleeve 3 with output sleeve 3.Power shaft 1 is connected with central gear 10 or power shaft 1 is wholely set with central gear 10.

Output shaft 2 is arranged on the inside of output sleeve 3, between the installing plate 8 of output sleeve 3 and speed-reducing clutch, clutch shaft bearing 13 is set, described power shaft 1 is fixedly connected with rotor 6, power shaft 1 is arranged a clutch discs 23, spline joint is passed through between described power shaft 1 and clutch discs 23, arrange the second bearing 14 between described clutch discs and shell, described deceleration device and arrangement of clutch are arranged between clutch shaft bearing 13 and the second bearing 14.Install before being equivalent on the axial distance of deceleration device, present deceleration device and arrangement of clutch are installed, substantially reduce the axial space taken of speed-reducing clutch, deceleration device and arrangement of clutch are projected to small part overlap at power shaft place straight line, both ensure that the effect that can realize clutch, can also greatly save the axial space taken.

Described power shaft 1 is connected with direct drive motor rotor 6 center, and rotor 6 center is to power shaft side depression, and form a depressed part 16 be connected with power shaft, the degree of depth of depression is enough to the head of the threaded fastener of hiding rotor 6 and power shaft 1.Like this head of threaded fastener 16 is hidden in depressed part 15, the head of threaded fastener 16 has also shared axial space with direct driving motor, the head of threaded fastener 16 is not in axial occupation space, further reduce the axial space shared by outer barrel/cylinder polycrystalline substance, reserve more space to increase scrubbing space.

Clutch platen 20 is a rotating annulus body 26, one end of annulus body 26 is circumferentially provided with at least one first wedge shape projection 27, the other end contacts with clutch axle sleeve 21, one end that clutch platen 20 is provided with the first wedge shape projection 27 is provided with a fixing supporting construction, described supporting construction be provided with on clutch platen 20 the first wedge shape projection 27 match and second wedge shape protruding 29 of reversed dip or wedge shape recessed, because supporting construction is fixing, when clutch platen 20 rotates, when the peak of the first wedge shape projection 27 contacts with the peak of the second wedge shape projection 28, clutch axle sleeve 21 is expressed to another location axially by the other end of clutch platen 20, when clutch platen 20 is rotated further or rotates backward, when the peak of the first wedge shape projection 27 contacts with the minimum point of the second wedge shape projection 28, clutch axle sleeve 21 gets back to home position again.

Drive unit also comprises a back-moving spring 18, described clutch platen 20 and described back-moving spring 18 are arranged on the periphery of clutch axle sleeve 21, described clutch axle sleeve 21 outer wall is provided with annular boss 17, clutch platen 20 is arranged on the side of annular boss 17, back-moving spring 18 is arranged on the opposite side of annular boss, or described clutch platen 20 and back-moving spring 18 are arranged on the same side of annular boss.

Described supporting construction is speed-reducing clutch shell 19, institute, the first end 191 of described speed-reducing clutch shell 19 is provided with and coordinates and the second wedge shape projection 29 of reversed dip with the first wedge shape protruding 27 on clutch platen 20, and the other end of back-moving spring 18 is supported on the installing plate 8 of speed-reducing clutch.

Or described supporting construction is the installing plate 8 of speed-reducing clutch, described installing plate 8 is provided with and coordinates and the second wedge shape projection 29 of reversed dip with the first wedge shape protruding 27 on clutch platen 20, and the other end of back-moving spring 18 is supported on shell 19.

As shown in Fig. 5, Fig. 6 and Fig. 7, one end of clutch platen 20 is provided with at least two the first wedge shape projections 27, multiple first wedge shape projection 27 is about the center of circle Central Symmetry of clutch platen 20, described first wedge shape projection 27 comprises the first inclined-plane 272 and the first plane 271, the supporting construction of described clutch platen 20 is provided with and second wedge shape projection 29 of reversed dip identical with protruding 27 shapes of the first wedge shape on clutch platen 20, and described second wedge shape projection 29 comprises the second inclined-plane 292 and the second plane 291 coordinated with the first inclined-plane 272 and the first plane 271.When first inclined-plane 272 and the second inclined-plane 292 coordinate completely, clutch axle sleeve 21 in a state of nature; Clutch platen 20 rotates the first wedge shape projection 27 and rotates gradually, because supporting construction is fixing, when clutch platen 20 rotation extruding clutch axle sleeve 21 to the first plane 271 and the second plane 291 coordinate completely, clutch axle sleeve 21 is expressed to another location axially by clutch platen 20, back-moving spring 18 is compressed, when clutch platen 20 is rotated further or rotates backward, the extruding force of clutch platen 20 pairs of clutch axle sleeves 21 disappears, and back-moving spring 18 restoring force makes clutch axle sleeve 21 get back to home position again.

Or it is recessed that the supporting construction of described clutch platen 20 is provided with the wedge shape identical with protruding 27 shapes of the first wedge shape on clutch platen 20, and described wedge shape is recessed comprises the inclined-plane and a plane that coordinate with the first inclined-plane and the first plane.Clutch platen 20 turn to described first wedge shape projection 27 enter completely the wedge shape be equipped with it recessed interior time, clutch axle sleeve 21 is in a state of nature; Clutch platen 20 rotates the first wedge shape projection 27, and to screw out wedge shape gradually recessed, because supporting construction is fixing, clutch axle sleeve 21 is expressed to another location axially by clutch platen 20, back-moving spring 18 is compressed, when clutch platen 20 is rotated further or rotates backward, it is recessed that first wedge shape projection 27 screws in again wedge shape gradually, and the extruding force of clutch platen 20 pairs of clutch axle sleeves 21 disappears, and back-moving spring 18 restoring force makes clutch axle sleeve 21 get back to home position again.

Annulus body 26 outer circumference of clutch platen 20 is provided with the driving lever 28 driving clutch platen to rotate, preferred driving lever 28 is structure as a whole with the annulus body 26 of clutch platen 20, described speed-reducing clutch shell 19 is provided with a breach 30, described driving lever 28 stretches out speed-reducing clutch shell 19 by this breach 30, described driving lever 28 connects a drive motors 31, driving lever 28 is arranged the slotted hole passed for drive motors 31 motor shaft, under the effect of drive motors 31, drive motors 31 motor shaft moves back and forth, drive the reciprocating rotation of driving lever 28, thus realize the reciprocating rotation of clutch platen 20.Preferably, described drive motors is push-and-pull motor.

The rotation of clutch platen 20 can also be driven by crank-rocker mechanism.

embodiment three

As shown in figs. 1-7, a kind of decelerating clutch of washing machine, comprise: power shaft 1, deceleration device, arrangement of clutch, output shaft 2 and output sleeve 3, described arrangement of clutch comprises clutch platen 20 and clutch axle sleeve 21, clutch axle sleeve 21 is contained in the week of deceleration device to the periphery, and clutch platen 20 drives clutch axle sleeve 21 to move axially to control output shaft 2 and output sleeve 3 realization dehydration/washing operating mode; Described clutch platen 20 is connected with drive motors, and drive motors drives the rotary motion of clutch platen 20.

Decelerating clutch of washing machine of the present invention have employed clutch platen 20 rotary motion and drives clutch axle sleeve 21 to move axially to realize clutch, owing to have employed the clutch mode of clutch platen 20 rotary actuation, and clutch axle sleeve 21 is enclosed within the periphery of deceleration device, so the structure installment of deceleration device of the present invention and arrangement of clutch is compacter, reduce the whole height of speed-reducing clutch, effectively can increase the washing capacity of equal volume washing machine like this.Therefore, the rotary motion how realizing clutch platen 20 is the key point realizing goal of the invention of the present invention, and in order to realize the rotary motion of clutch platen 20, what the present invention was concrete have employed following technical scheme.

Scheme one, as shown in Figure 5, clutch platen 20 of the present invention comprises driving lever 28, and described drive motors 31 comprises motor shaft 311, and described motor shaft 311 push-and-pull campaign drives driving lever 28 circular motion or partial circle reciprocating motion or circumference reciprocating motion.

Particularly, drive motors 31 of the present invention is push-and-pull motor or thrust motor, driving lever 28 is arranged chute 281, motor shaft 311 connection sliding block 32; Described motor shaft 311 is rotated by slide block 32 push-and-pull driving lever 28.What drive motors 31 of the present invention adopted is push-and-pull motor or thrust motor, and the principle that worm and gear is meshed mainly applied by push-and-pull motor or thrust motor, circular motion is converted into the straight line push-and-pull campaign of motor shaft 311.

Therefore, the motor shaft 311 of drive motors 31 of the present invention does the push-and-pull campaign of straight line, drive coupled slide block 32, drive driving lever 28 to move while slide block 32 relative chute 281 in chute 281 is free to slide, the push-and-pull action that driving lever 28 is subject to slide block 32 realizes circumference reciprocating motion locally.The present invention adopts push-and-pull motor or thrust motor, and carried out the rotary reciprocating motion of local by motor shaft 211 linear reciprocating motion traction clutch platen 20, its anatomical connectivity is simple, and operation controls easy.

In order to the rectilinear motion realizing motor shaft can pass to clutch platen smoothly, clutch platen is made to carry out the circumference reciprocating motion of local, assembling between slide block 32 and chute 281 is extremely important, described slide block 32 is wanted relatively to be free to slide and can not to come off from chute 281 relative to chute 281, particularly, described slide block 32 matches with chute 281, and slide block 32 relative to chute 281 in vertical direction and horizontal direction all slidably.Preferably, described slide block 32 is vertical with motor shaft 311 to be arranged, and described chute 281 is arranged along the radial direction of clutch platen 20, so advantageously in transmission, reduces the added force between each component.

Scheme two, as shown in FIG. 6 and 7, the present invention adopts common stepper motor, the motor shaft 311 of stepper motor rotates, therefore how the rotary motion of motor shaft 311 being passed to clutch platen 20 is the problems needing to be solved, in order to realize this technical purpose, particularly, present invention employs following technical scheme: motor shaft 311 rotary motion of described drive motors 31, motor shaft 311 connects pinion 33; On described clutch platen 20 circumferentially one week or the tooth bar 34 be meshed with pinion 33 is locally set.

According to the transport characteristics between gear and tooth bar, the present invention applies it in the present invention, achieves the technical purpose rotary motion of motor shaft 311 being passed to clutch platen 20.Adopt this kind of drive, clutch platen 20 of the present invention can realize continuous print circular motion, tooth bar 34 is arranged one week along the circumference of clutch platen 20, and the pinion 33 on such motor shaft 311 just can drive clutch platen 20 to carry out continuous print circular motion always; Clutch platen 20 of the present invention also can realize the circumference reciprocating motion of local, by the circumferential setting unit of tooth bar along clutch platen 20, is undertaken rotating and reverse and realizes pinion 32 by controlling motor shaft 311 and drive clutch platen 20 to carry out partial circle motion.

As a kind of preferred embodiment of the present invention, tooth bar 34 of the present invention can be arranged to make with clutch platen 20 is one-body molded, i.e. direct tooth punching in the circumference of clutch platen 20, although simplify the structure like this, simple installation, but the processing of clutch platen 20 is relatively complicated.Preferably, tooth bar 34 of the present invention is independently components, by being arranged on clutch platen 20 after independent processing, described tooth bar 34 is arc-shaped rack, and tooth bar 34 is fixedly mounted on the driving lever 28 of clutch platen 20, like this, when tooth bar 34 damages, only need to carry out independent dismounting and change, if be wholely set, also need to dismantle speed-reducing clutch.

When tooth bar 34 of the present invention is an arc-shaped rack, in order to realize the partial circle reciprocating motion of clutch platen 20, the inside of described drive motors 31 arranges microswitch, or described tooth bar 34 both ends arrange microswitch; Described microswitch controls pinion 33 reciprocating motion on tooth bar 34.The present invention controls the rotating forward of motor shaft 311 of drive motors 31 or the scope of reversion or time by microswitch, realizes the partial circle reciprocating motion of clutch platen 20.

As a kind of preferred embodiment of the present invention, described clutch platen 20 also comprises annulus body 26, and the end, one end of annulus body 26 coordinates with output sleeve 3, and the end of the other end of annulus body 26 arranges at least one first wedge shape projection 27; Described drive motors 31 drives the rotary motion of annulus body, and be subject to supporting role promotion annulus body 26 in protruding 27 rotary courses of the first wedge shape and move axially, annulus body 26 acts on clutch axle sleeve 21, promotes clutch axle sleeve 21 and moves axially, realize clutch.

As a kind of preferred embodiment of the present invention, also comprise speed-reducing clutch shell 19, described deceleration device and arrangement of clutch are all arranged on the inside of speed-reducing clutch shell 19, the end, one end of speed-reducing clutch shell 19 is fixedly connected with relative to the urceolus of washing machine, and the other end extend in the internal cavities of the rotor 6 of direct driving motor and the inwall of this end end arranges the second wedge shape projection 29; Described the second wedge shape protruding 29 corresponds to the first wedge shape protruding 27 and arranges; Described drive motors 31 drives clutch platen 20 to rotate, and the second wedge shape protruding 29 supports the first wedge shape projection 27 and moves axially in clutch platen 20 rotary course.

Speed-reducing clutch shell 19 of the present invention not only plays the protection deceleration device of speed-reducing clutch and the effect of arrangement of clutch, also plays and matches with clutch platen 20, realize the effect of clutch function.Particularly, in the process that drive motors 31 of the present invention drives clutch platen 20 to rotate, when first wedge shape protruding 27 is relative with the second wedge shape projection 29, clutch platen 20 is subject to support force and moves axially, and then the clutch axle sleeve 21 promoting to match with clutch platen 20 moves axially, clutch axle sleeve 21 moves to and is meshed with fixed disk, and output shaft 2 is different from the rotary state of output sleeve 3, is now washing operating mode; Along with being rotated further of clutch platen 20, first wedge shape projection 27 departs from the second wedge shape projection 29, clutch platen 20 is no longer subject to support force, and the back-moving spring 18 of clutch axle sleeve 21 outside is applied to clutch axle sleeve 21 1 elastic force because of deformation, under this elastic force effect, clutch axle sleeve 21 repercussion is moved and is engaged with clutch discs 23, and clutch discs 23 is fixedly connected with the rotor 6 of direct driving motor, output shaft 2 and the synchronized rotating in same direction of output sleeve, this is dehydration condition.

As a kind of preferred embodiment of the present invention, described speed-reducing clutch also comprises installing plate 8, and described speed-reducing clutch is fixedly connected on the urceolus of washing machine by installing plate 8; Described drive motors 31 is fixedly mounted on installing plate 8.

embodiment four

Decelerating clutch of washing machine shell 19, comprise first end 191, the second end 193 and sidewall 192, the second end 193 is fixedly connected on the urceolus of washing machine, in the internal cavities of the stator 7 stretching into direct driving motor at least partly of the whole and sidewall 192 of first end 191, sidewall 192 is connected with the second end 193 with first end 191 respectively and surrounds internal chamber, in internal chamber, speed-reducing clutch is set, speed-reducing clutch comprises arrangement of clutch, the clutch platen 20 that arrangement of clutch comprises clutch axle sleeve 4 and drives clutch axle sleeve 4 to move axially; Described sidewall 192 is provided with the breach 30 exposed at least partly for clutch platen 20, and the inwall of first end 191 matches with clutch platen 20.

Speed-reducing clutch shell 19 entirety of the present invention is in truncated cone-shaped structure, and the inner hollow of truncated cone-shaped structure is internal chamber, and truncated cone-shaped structure comprises two sections, is respectively first end 191 and the second end 193.The second end of speed-reducing clutch shell 19 of the present invention is fixedly mounted on the urceolus of washing machine, deceleration device and arrangement of clutch is provided with in its internal chamber, therefore, the compact whole height of speed-reducing clutch shell 19 that makes of the structure installment of deceleration device of the present invention and arrangement of clutch reduces, reduce the whole height of speed-reducing clutch, increase the washing capacity of the washing machine of same volume.In addition, the sidewall 192 of speed-reducing clutch shell 19 of the present invention arranges breach 30, breach 30 is mainly convenient to be interconnected between the clutch platen 20 of arrangement of clutch and the drive motors driving clutch platen 20 to rotate.The inwall of the first end 191 of speed-reducing clutch shell 19 of the present invention matches with clutch platen 20, realizes the supporting role to clutch platen 20, guarantees that clutch platen 20 can realize moving axially to promote clutch axle sleeve 4 axially-movable and realize clutch.

Adopt clutch platen 20 to drive clutch axle sleeve 4 to move axially to realize clutch in order to ensure realizing the present invention, as a kind of preferred embodiment of the present invention, described clutch platen 20 arranging at least one projecting surface, the inwall of first end 191 being arranged the support portion for supporting projecting surface; Described support portion is arranged corresponding to the projecting surface of clutch platen 20.

The present invention by arranging projecting surface on clutch platen 20, on the inwall of first end 191, support portion is set relative to the projecting surface of clutch platen 20 simultaneously, like this, clutch platen 20 carries out in the process of rotating under the drive of drive motors, when the projecting surface of clutch platen 20 forward to offset with the support portion of first end 191 time, the supporting role that clutch platen 20 is subject to the support portion of first end 191 moves axially, clutch platen 20 and then the clutch axle sleeve 4 promoting to assemble with its phase move axially, clutch axle sleeve 4 makes clutch axle sleeve 4 be separated with the engagement of the rotor 6 of direct driving motor owing to moving axially, when the projecting surface of clutch platen 20 produces the support portion of first end 191, clutch platen 20 is no longer subject to supporting role, now, the back-moving spring 18 being in compressive state promotes clutch axle sleeve 4 and moves axially for returning to original state and again engage with the rotor 6 driving motor.Therefore, the first end 191 of speed-reducing clutch shell 19 of the present invention plays important supporting role for the clutch of arrangement of clutch, ensure that arrangement of clutch realizes clutch smoothly.The projecting surface that clutch platen 20 of the present invention is arranged at least comprises one, preferably, can arrange individual, in the process of whole circular motion, repeatedly clutch is realized to make clutch platen 20, only need the clutch requirement that can be met washing machine by the velocity of rotation of design clutch platen 20, and clutch platen 20 needs do simple circular motion, structure is more simple, more easily realize, particularly, the projecting surface that described clutch platen 20 is arranged at least comprises four, along the circumferential direction evenly arranges.And the support portion of first end 191 should setting corresponding with the projecting surface of clutch platen 20, particularly, also can select to arrange four, and circumferentially evenly arrange.

As a kind of preferred embodiment of the present invention, described clutch platen 20 comprises rotating annulus body 26 and the driving lever 28 for driving annulus body 26 to rotate; The end, one end of described annulus body 26 circumferentially arranges at least one first wedge shape projection 27, and the inwall of first end 191 arranges at least one for supporting the second wedge shape projection 29 of the first wedge shape projection 27; Described driving lever 28 stretches out and is connected with drive motors from breach 30.Particularly, the first wedge shape projection 27 of the present invention can arrange 4, and the circumference respectively along annulus body 26 is evenly arranged, in like manner, the second described wedge shape projection 29 also arranges 4, and the inwall circumference of first end 191 is evenly arranged respectively, and is oppositely arranged respectively respectively at the first wedge shape projection 27.Clutch platen of the present invention 20 and first end 191 arrange by adopting the circumferential supporting role that the first wedge shape protruding 27 and the second wedge shape projection 29 can realize clutch platen 20, and its structure is simply, easy to assembly.

As a kind of preferred embodiment of the present invention, the first described wedge shape projection 27 comprises the first plane 271 and the first inclined-plane 272, the height of the first plane 271 is higher than the face height of annulus body 26, and the first inclined-plane 272 is in smoothing junction with the end face of the first plane 271, annulus body (26) respectively; The second described wedge shape projection 29 comprises the inside wall height of height higher than first end 191 of the second plane 291 and the second inclined-plane 292, second plane 291, and the second inclined-plane 292 connects respectively at the interior walls be smooth of the second plane 291, first end 191; The first described inclined-plane 272 is identical with the angle of inclination on the second inclined-plane 292.

In order to ensure that arrangement of clutch realizes smoothly being meshed with the rotor 6 of direct driving motor after being arranged on speed-reducing clutch shell 19 internal chamber of the present invention, realize dehydration condition, as a kind of preferred embodiment of the present invention, described arrangement of clutch comprises clutch discs 23, and clutch discs 23 is fixedly connected with the center of the rotor 6 of direct driving motor; Described first end 191 offers opening, and clutch discs 23 stretches into internal chamber by the opening of first end 191 and realizes engaging with clutch axle sleeve 4.

Speed-reducing clutch shell 19 of the present invention also should meet the installation of the second bearing 14 simultaneously, as a kind of preferred embodiment of the present invention, the opening internally extended formation bearing block 195 of chamber of described first end 191, encapsulates the second bearing 14 between described bearing block 195 and clutch discs 23.In order to make the installation of the second bearing 14 not have influence on engagement/disengagement between clutch axle sleeve 4 and clutch discs 23, the second bearing 14 of the present invention is sleeved in clutch discs 23, and the teeth groove 9 of clutch discs 23 is arranged on the top of the second bearing 14.

Because bearing block 195 and the second wedge shape projection 29 are all arranged on the inwall of first end 191, in order to ensure mutually not hindering therebetween, as a kind of preferred embodiment of the present invention, the second described wedge shape projection 29 is arranged between bearing block 195 and sidewall 192, and the height of bearing block 195 is lower than the height of the highest of the second wedge shape projection 29.The height of bearing block 195 of the present invention is lower than the height of the highest of the second wedge shape projection 29, make the protruding 27 projecting shaft bearings 195 of the second wedge shape, can guarantee that the second wedge shape protruding 29 and the first wedge shape protruding 27 interact like this and realize moving axially of clutch platen 20.

As a kind of preferred embodiment of the present invention, the outside flange of described the second end 193 inwardly chamber forms fixed installation portion, and installation portion is convenient to speed-reducing clutch shell and is arranged on the urceolus of washing machine; Described sidewall 192 arranges multiple reinforcement 194, reinforcement 194 is arranged along the edge of first end 191 towards the direction at the edge in the fixed installation portion of the second end 193, it is stressed in circumference that reinforcement 194 dispersibles speed-reducing clutch shell, effectively prevents speed-reducing clutch shell generation stress concentration phenomenon.

As a kind of preferred embodiment of the present invention, also comprise installing plate 8, installing plate 8 is fixedly connected on the urceolus of washing machine; Described the second end 193 is fixedly mounted on installing plate 8; The described installing plate 8 inwardly side of chamber arranges and is used for and the teeth groove 9 of clutch axle sleeve 4 fixed engagement.

Speed-reducing clutch shell 19 of the present invention adopts that metal material is one-body molded to be made, and can meet the force request of speed-reducing clutch shell on the one hand, especially meet the bearing block 195 of first end 191 to the supporting role of the second bearing 14; On the other hand, processing is simple, easy installation and removal.

As a kind of preferred embodiment of the present invention, described arrangement of clutch also comprises power shaft, deceleration device, output shaft and output sleeve, and the input of deceleration device connects power shaft, and output connects output shaft and output sleeve respectively; Described clutch axle sleeve 4 is sleeved on the week of deceleration device to the periphery; Described clutch axle sleeve 4 is the ring gear of deceleration device, and ring gear moves axially, and controls the different output states of output shaft and output sleeve; Described the second end 193 offers opening, and clutch axle sleeve 4 is extended/opening of retraction the second end 193 and teeth groove 9 engagement/disengagement of installing plate 8.Of the present inventionly have employed a kind of brand-new clutch mode, clutch axle sleeve 4 is sleeved on the week of deceleration device to the periphery, clutch axle sleeve 4 is the ring gear of deceleration device, the part that deceleration device is not only by clutch axle sleeve 4 is also a part for arrangement of clutch, achieve the validity of clutch, and reduce the axial installation length of arrangement of clutch greatly, reduce the whole height of speed-reducing clutch.

The above is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any technical staff being familiar with this patent is not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned prompting can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of the present invention program.

Claims

1. a decelerating clutch of washing machine, it is characterized in that, comprise: power shaft (1), deceleration device, arrangement of clutch, output shaft (2) and output sleeve (3), described arrangement of clutch comprises clutch platen (20) and clutch axle sleeve (21), clutch axle sleeve (21) is sleeved on the week of deceleration device to the periphery, and clutch platen (20) drives clutch axle sleeve (21) to move axially around axis rotation; The primary importance of described clutch axle sleeve (21) movement is connected with fixture, and fixture is relative with washing machine urceolus to be fixedly installed, and realizes washing operating mode; The second place of described clutch axle sleeve (21) movement is connected with the rotor (6) of direct driving motor, realizes dehydration condition.

2. a kind of decelerating clutch of washing machine according to claim 1, it is characterized in that, described fixture is fixed disk, fixed disk is arranged on one end that deceleration device passes for output shaft, the rotor (6) of described direct driving motor is fixedly connected with clutch discs (23), and the second place of clutch axle sleeve (21) movement is connected with clutch discs (23); Be meshed with fixed disk/clutch discs (23) respectively when described clutch axle sleeve (21) moves axially and realize washing/dehydrating operating mode.

3. a kind of decelerating clutch of washing machine according to claim 1 and 2, is characterized in that, the ring gear that described deceleration device comprises deceleration train and is meshed with deceleration train; Preferably, described deceleration device comprises planetary gear (11) and ring gear (4), described ring gear (4) is clutch axle sleeve (21), clutch axle sleeve (21) moves axially, or described clutch axle sleeve (21) is for being sleeved on the week individual member to the periphery of ring gear (4), clutch axle sleeve (21) is circumferential relative to ring gear (4) to be fixed and moves axially.

4. a kind of decelerating clutch of washing machine according to claim 2, it is characterized in that, the end, two ends of described clutch axle sleeve (21) arranges end-tooth (5), and end-tooth (5) realizes engaging with fixed disk and clutch discs (23) when clutch axle sleeve (21) moves axially respectively; The sidewall outer setting annular boss (17) of described clutch axle sleeve (21), clutch platen (20) comprises circular body (26), and annular boss (17) matches with the circular body (26) of clutch platen (20).

5. a kind of decelerating clutch of washing machine according to claim 1-4 any one, it is characterized in that, comprise speed-reducing clutch shell (19), one end of speed-reducing clutch shell (19) is fixedly installed relative to washing machine urceolus, and the other end extend in the internal cavities of rotor (6) of direct driving motor; Described deceleration device and arrangement of clutch are arranged on the inside of speed-reducing clutch shell (19).

6. a kind of decelerating clutch of washing machine according to claim 5, it is characterized in that, described speed-reducing clutch shell (19) arranges clutch platen (23) near the inside, one end of rotor (6), the one side that clutch platen (23) contacts with speed-reducing clutch shell (19) arranges at least one first wedge shape projection (27), and one end inwall of speed-reducing clutch shell (19) corresponds to the first wedge shape projection (27) and arranges the second wedge shape projection (29); The second described wedge shape projection (29) supports the first wedge shape projection (27) promotion clutch platen (23) and moves axially in clutch platen (23) rotary course.

7. a kind of decelerating clutch of washing machine according to claim 5, it is characterized in that, described speed-reducing clutch shell (19) also comprises the installing plate (8) be fixedly mounted on washing machine urceolus, form internal chamber between installing plate (8) and speed-reducing clutch shell (19), described deceleration device and arrangement of clutch are arranged in internal chamber; The inwall of described installing plate (8) is arranged the fixed disk of arrangement of clutch, described fixed disk for be fixed on installing plate (8) inwall on and there is the individual member of the teeth groove be meshed with clutch axle sleeve (21), or the inwall of described fixed disk by installing plate (8) is offered the teeth groove be meshed with clutch axle sleeve (21) and is formed.

8. a kind of decelerating clutch of washing machine according to claim 1-7 any one, it is characterized in that, described deceleration device comprise central gear (10), planetary gear (11), for installing the planetary wheel carrier (12) of planetary gear (11), the ring gear engaged with planetary gear (11), power shaft (1) is connected with central gear (10) or power shaft (1) is wholely set with central gear (10), and planetary wheel carrier (12) is fixedly connected with output sleeve (3); The ring gear that described clutch axle sleeve (21) is deceleration device, or the outer wall of described ring gear is provided with axial guiding spline, and the inwall of clutch axle sleeve (21) is provided with the guide chute with the spline fitted that leads; Preferred described power shaft and described output shaft are an axis.

9. a kind of decelerating clutch of washing machine according to claim 1-8 any one, it is characterized in that, between described speed-reducing clutch shell (19) and output sleeve (3), clutch shaft bearing (13) is set, between described speed-reducing clutch shell (19) and power shaft (1), the second bearing (14) is set, described deceleration device is arranged between clutch shaft bearing (13) and the second bearing (14), and deceleration device and clutch shaft bearing (13), the second bearing (14) next-door neighbour are arranged.

10. a kind of decelerating clutch of washing machine according to claim 1-9 any one, is characterized in that, described output sleeve (3) has a slab construction (301); Described output shaft (2) is connected with the impeller of washing machine, output sleeve (3) is connected with the interior bucket of washing machine by slab construction (35), or described output shaft (2) is connected with the impeller of washing machine, output sleeve (3) is connected with the cylinder of washing machine by slab construction (35), or described output shaft (2) is connected with the first cylinder of washing machine, output sleeve (3) is connected with the second tin roller of washing machine by slab construction (35).

11. a kind of decelerating clutch of washing machine according to claim 1-10 any one, it is characterized in that, described clutch platen (20) comprises driving lever (28), the sidewall of described speed-reducing clutch shell (19) is provided with breach (30), described driving lever (28) stretches out speed-reducing clutch shell (19) by breach (30) and is connected with drive motors, drive motors drives clutch platen (20) to carry out partial circle motion by driving lever (28), or partial circle reciprocating motion, or circular motion.

12. 1 kinds of washing machines had as described in claim 1-11 any one.