CN104790177A - Slowdown clutch for washing machine - Google Patents

Slowdown clutch for washing machine Download PDF

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Publication number
CN104790177A
CN104790177A CN201410030094.7A CN201410030094A CN104790177A CN 104790177 A CN104790177 A CN 104790177A CN 201410030094 A CN201410030094 A CN 201410030094A CN 104790177 A CN104790177 A CN 104790177A
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CN
China
Prior art keywords
clutch
shaft
gear
planet
spline
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201410030094.7A
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Chinese (zh)
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CN104790177B (en
Inventor
吕佩师
杨林
张刚金
今井俊次
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Washing Machine Co Ltd
Original Assignee
Haier Group Corp
Qingdao Haier Washing Machine Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Haier Group Corp, Qingdao Haier Washing Machine Co Ltd filed Critical Haier Group Corp
Priority to CN201410030094.7A priority Critical patent/CN104790177B/en
Priority claimed from KR1020167021443A external-priority patent/KR20160106142A/en
Publication of CN104790177A publication Critical patent/CN104790177A/en
Application granted granted Critical
Publication of CN104790177B publication Critical patent/CN104790177B/en
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Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30Driving arrangements 
    • D06F37/40Driving arrangements  for driving the receptacle and an agitator or impeller, e.g. alternatively

Abstract

The invention discloses a slowdown clutch for a washing machine. The slowdown clutch comprises an input shaft, an input shaft sleeve, a brake wheel, a speed reducer, a dewatering shaft, an output shaft, a lower shell and a clutch device, wherein the speed reducer is installed in an inner cavity of the brake wheel, the dewatering shaft and the brake wheel are connected into a whole, the input shaft, the input shaft sleeve, the brake wheel and the output shaft are all connected with the speed reducer, the speed reducer is a double-planet gear train composed of a first planet gear train body and a second planet gear train body, the input shaft sleeve and a wheel carrier of the second planet gear train body are connected into a whole, and the input shaft sleeve is movably connected with the brake wheel; the clutch device comprises a positioning disc fixedly installed on the lower shell, a torque transmission shaft sleeve fixedly installed on the input shaft, a clutch disc installed on the input shaft sleeve and capable of being connected with or disconnected from the positioning disc and the torque transmission shaft sleeve, and a clutch control mechanism used for controlling the clutch disc to be connected with or disconnected from the positioning disc and the torque transmission shaft sleeve. The slowdown clutch has the advantages of being simple and compact in structure, low in manufacturing cost, safe and reliable in transmission, efficient, long in service life and low in noise.

Description

A kind of decelerating clutch of washing machine
Technical field
The present invention relates to washing machine field, specifically a kind of decelerating clutch of washing machine.
Background technology
At present, the effect of the speed-reducing clutch of pulsator washing machine is generally drive impeller to do reciprocating rotation after being slowed down by the Double-directional rotary of motor.Conventional speed-reducing clutch primarily of power shaft, output shaft, output sleeve, input axle sleeve, braked wheel, be arranged on braked wheel inside reducing gear and be arranged on the clutch components composition that power shaft puts.Wash operating mode time, require that output shaft low-speed bidirectional rotates repeatedly, output sleeve and braked wheel as a whole, reducing gear generally only plays simple decelerating effect, when braked wheel is braked, output sleeve is also braked, and drive motors bidirectional rotation can only drive the corresponding bidirectional rotation of output shaft.
Existing twisting speed-reducing clutch, its internal reduction mechanism does not change, only change clutch control mechanism, by routine list ratchet, single ratchet, change two ratchet into, two ratchet, when washing operating mode, braked wheel is tentatively unclamped (being just totally released during dehydration), drive motors bidirectional rotation, drive the corresponding bidirectional rotation of output shaft, output sleeve is not because being braked simultaneously, and the current reaction masterpiece corresponding rotation reciprocal to output shaft when rotating by output shaft, its corner is very little, and be subject to the change in resistance of clothing, rotating speed and the amplitude of oscillation of output sleeve change at any time, unstable.Though formed stranding phenomenon, but do not reach desirable clean result, and because of brake band and the operating mechanism of two ratchet be link, during washing, two ratchet does not allow to leave ratchet (just leaving during dehydration), therefore during washing, brake band is only and tentatively unclamps, be separated not thorough, add the friction and wear of brake band, improve the shaping to brake band and adjustment requirement.When dehydration condition, require output shaft and output sleeve integrally unidirectional High Rotation Speed, to reach the object of centrifugal dehydration.In order to change washing and the operating mode of dewatering, conventional speed-reducing clutch must be furnished with the complete clutch parts such as ratchet, ratchet, ratchet spring, brake spring, clutch axle sleeve, adjustment bolt, but itself not there is the function of automatic clutch conversion, must through the manipulation of outside traction electric machine, make brake spring generation clutch action, washing and the operating mode of dewatering could be changed, its electric-control system and clutch control system all more complicated, add wearing and tearing, increase the opening force of brake lever, directly affect the service life of associated components.
Twisting formula speed-reducing clutch after improvement, adopt the reducing gear of bi-directional drive, its reducing gear is the rotation that two turn on the contrary, speed is different by the rotation of motor being exported, thus drive that impeller is contrary with interior bucket travel direction, rotation that speed is different respectively, and then play clothing is carried out washing the effect of washing by rubbing with the hands.The speed-reducing clutch of existing washing machine bi-directional drive is generally adopt planet fixed shaft gear train drive mechanism, gear transmission structure and Oscillating Tooth Gear Reducer structure, because general gear drive noise when positive and negative twocouese transmission is large, and Oscillating Tooth Gear Reducer structure to obtain manufacturing cost higher, therefore, planet fixed shaft gear train drive mechanism is widely used.
Application number be 03239381.4 Chinese patent disclose a kind of automatic reduction clutch of washing machine, it is primarily of power shaft, output shaft, output sleeve, input axle sleeve, braked wheel and the Dual Drive gear mechanism composition being arranged on braked wheel inside, power shaft, output sleeve and output shaft are connected with Dual Drive gear mechanism respectively, between braked wheel and output sleeve parts, arrangement of clutch are housed.During washing operating mode, output shaft and output sleeve are mutually reverse, two-wayly 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, make the unidirectional continuous rotation of high speed, centrifugal dehydration simultaneously.
But, have the washing machine of above-mentioned speed-reducing clutch when washing operating mode, interior bucket and impeller are frequently contrary to operate, and the moment of inertia that interior bucket produces acts directly on freewheel clutch, and along with the increase of washing of drum type washing machine capacity, often there is quality problem because freewheel clutch is bad.In interior bucket rotary course, often can produce opposition to unilateral bearing, easily there is failure phenomenon in unilateral bearing, and when just there will be washing, holding phenomenon tightly and causing clutch spring to damage appears in clutch spring simultaneously; In addition, because dehydrating shaft is separated with braked wheel, and be connected with decelerator, interior bucket produces the amplitude of oscillation under dewatering state, acts directly on dehydrating shaft, and dehydrating shaft bias is comparatively large, causes that vibration of washing machine is large occurs noise.
In view of this special proposition the present invention.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, provides that a kind of simple and compact for structure, low cost of manufacture, transmission are safe and reliable, efficient, long service life and the low decelerating clutch of washing machine of noise.
For solving the problems of the technologies described above, the present invention adopts the basic conception of technical scheme to be: a kind of decelerating clutch of washing machine, comprise: power shaft, input axle sleeve, braked wheel, decelerator, dehydrating shaft, output shaft, lower house and arrangement of clutch, input axle sleeve is sleeved on power shaft, dehydrating shaft is sleeved on output shaft, decelerator is arranged on braked wheel inner chamber, and described dehydrating shaft and braked wheel are integrally connected; Described power shaft, input axle sleeve, braked wheel are connected with decelerator respectively with output shaft, the double-planet train that described decelerator is made up of first planet train and the second planet circular system, first planet train is the deceleration transmission chain between power shaft and output shaft, second planet circular system is that output shaft turns to driving-chain contrary each other with the deceleration between braked wheel and dehydrating shaft, described input axle sleeve and the wheel carrier of the second planet circular system are integrally connected, and input axle sleeve is flexibly connected with braked wheel; Arrangement of clutch comprises the positioning disk be installed on lower house, the torque transmissioning shaft cover be installed on power shaft, be installed on power shaft and put and can overlap the clutch discs that is connected/disconnects respectively with positioning disk and torque transmissioning shaft and control clutch discs and positioning disk and torque transmissioning shaft and overlap one and connect a disconnected clutch control mechanism.
Further, described output shaft is in transmission connection by first planet train and power shaft, and described dehydrating shaft is in transmission connection by braked wheel, the second planet circular system and output shaft.
Further, described first planet train is configured to primarily of the first central gear, first planet gear shaft, first planet gear, the first internal gear and first planet wheel, first central gear is installed on power shaft, first internal gear is arranged on braked wheel inner chamber, the activity of first planet gear and first planet gear shaft coordinates that to be distributed on first planet wheel carrier circumferentially same, first planet gear engages with the first central gear and the first internal gear simultaneously, and output shaft and first planet wheel carrier connect as one.
Further, the second described planet circular system is formed primarily of the second central gear, the second planet pin, the second planetary gear, secondary annulus and the second planetary wheel carrier, secondary annulus is packed in braked wheel inner chamber, second central gear is packed on output shaft, second planetary gear coordinates with the second planet pin activity that to be distributed on the second planetary wheel carrier circumferentially same, second planetary gear engages with secondary annulus and the second central gear simultaneously, and input axle sleeve and the second planetary wheel carrier connect as one.
Further, described input axle sleeve is connected with the second planetary wheel carrier by the first internal gear, and first planet wheel carrier is connected with output shaft by the second central gear.
Further, the first internal gear lower end is connected with power shaft set upper side, and the first internal gear upper end is connected with the second planetary wheel carrier lower end.
Further, described secondary annulus to be arranged on braked wheel inner chamber and to be connected with braked wheel; Dehydrating shaft is fixed into a rigid body by connecting axle and braked wheel.
Further, describedly the same first planet gear circumferentially of first planet wheel carrier is distributed on and first planet gear shaft quantity is 2-4; Described be distributed on same the second planetary gear circumferentially of the second planetary wheel carrier and the second planetary gear number of axle is 2-4.
Further, described clutch control mechanism comprises brake arm, shifting fork device and clutch discs spring, and clutch discs spring housing is located on the cylindrical of input axle sleeve, and abuts with clutch discs, and shifting fork device is arranged on lower house; Connection/the disconnection of clutch control mechanism Synchronization Control clutch discs and positioning disk and clutch discs and torque transmissioning shaft overlap to disconnect/be connected and realize dehydrating shaft and output shaft rotates backward the/conversion of rotating in same direction each other.
Further, described input axle sleeve is arranged on one end of braked wheel by the rotatable cooperation of rolling bearing, and torque transmissioning shaft cover links with power shaft; Torque transmissioning shaft cover is disposed adjacent with input axle sleeve; Clutch discs is set in power shaft and puts, and is slidably connected vertically with input axle sleeve.
Further, described torque transmissioning shaft cover near clutch discs one end is provided with the first spline, endoporus is provided with the first internal spline or square toes hole, clutch discs is provided with the second spline near one end that torque transmissioning shaft overlap, endoporus is provided with the second internal spline, one end of close positioning disk is provided with the 3rd spline; Positioning disk is fixedly mounted on lower house bottom, and positioning disk is provided with the 4th spline near one end of clutch discs; Power shaft puts and is provided with the second external splines; Torque transmissioning shaft overlaps the first spline and clutch discs second spline is movably connected, second male splined shaft of the second internal spline and input axle sleeve is to sliding connection, clutch discs the 3rd spline and positioning disk the 4th spline are movably connected, and torque transmissioning shaft overlaps tail end first external splines on the first internal spline or square toes hole and power shaft or square toes are connected.
Further, torque transmissioning shaft cover links with power shaft, when shifting fork device pressure clutch discs, clutch discs spring is in compressive state, and the first spline and the second spline are in released state, 3rd spline and the 4th spline joint, that is, clutch discs and torque transmissioning shaft overlap and disconnect, and are connected with positioning disk, now dehydrating shaft and output shaft rotate backward each other, are namely in washing operating mode; When shifting fork device leaves clutch discs, clutch discs ejects by clutch discs spring, the first spline and the second spline joint, 3rd spline is separated with the 4th spline, that is, clutch discs is overlapped with torque transmissioning shaft and is connected, and disconnect with positioning disk, now dehydrating shaft and output shaft rotating in same direction, be namely in dehydration condition.If torque transmissioning shaft cover links with braked wheel, then situation is contrary, and during shifting fork device pressure clutch discs, clutch discs is overlapped with torque transmissioning shaft and is connected, and disconnects with positioning disk, is in dehydration condition; Otherwise, be washing operating mode.
Further, contain at braked wheel the axle journal place inputting axle sleeve and at least one rolling bearing and at least one oil sealing are installed.Preferably, be provided with two rolling bearings and an oil sealing, be more preferably, oil sealing is arranged between two rolling bearings.
The alternative of such scheme is, the torque transmissioning shaft cover be installed on described power shaft is replaced with installation on the brake wheel near one end of power shaft.
Decelerator of the present invention replaces with compound planetary train, compound planetary train is the deceleration transmission chain between power shaft and output shaft, is again that output shaft turns to driving-chain contrary each other with the deceleration between braked wheel and dehydrating shaft.
Further, described compound planetary train is configured to primarily of the 3rd central gear, compound planet gear, the 3rd internal gear, the 4th internal gear, compound planet gear axle and compound planetary wheel, compound planet gear comprises and cogging and lower gear, first central gear is installed on power shaft, lower gear engages with the first central gear and the 3rd internal gear simultaneously, cog and to engage with the 4th internal gear, compound planetary wheel carrier and output shaft connect as one, 4th internal gear is packed in braked wheel inner chamber, and input axle sleeve and the 3rd internal gear connect as one.
Washing machine of the present invention, comprise the outer barrel be filled with water, the interior bucket being coaxially arranged on placement clothing in outer barrel, the impeller being coaxially arranged on interior bucket inner bottom part and drive motors, described power shaft is connected with drive motors, output shaft is connected with impeller, dehydrating shaft is connected with interior bucket, impeller and interior bucket reverse Double-directional rotary is each other made by the deceleration transmission of speed-reducing clutch, impeller and interior bucket synchronized in the same way one-directional rotation during dehydration during washing.
Further, first planet gear and the second planetary diameter, modulus and the number of teeth is determined according to the capacity of washing of drum type washing machine, energy consumption and clean result.
Further, described drive motors is connected with power shaft by belt gear, or drive motors is that direct driving motor is directly connected with power shaft.
After adopting technique scheme, the present invention compared with prior art has following beneficial effect.
The invention provides a kind of speed-reducing clutch of two-way backwards rotation washing efficient, simple and reliable for structure, improve the transmission efficiency of washing machine, reduce energy consumption.Speed-reducing clutch structure of the present invention is simple, reliability is high, improves washing machine performance.
Decelerator in speed-reducing clutch of the present invention adopts different driving-chains, as double-planet train, meet speed reducing ratio, output shaft is relative with braked wheel and dehydrating shaft rotates backward, improve bearing capacity, overcome traditional double dynamical deceleration clutch dehydrating shaft to be separated with braked wheel, system rigidity be poor, under dewatering state in large, the defect such as noise is large of the bucket amplitude of oscillation; Thus making ratio wheel architecture novel, system stiffness is good, and bearing capacity is strong, reliable operation, long service life, achieves and washes by rubbing with the hands washings in the current of stable ideal, improve clean ratio, reduce energy consumption, reduce and even stopped washings wrapping phenomena.
The present invention improves arrangement of clutch again, and its clutch can not be lost efficacy, and long service life, noise is low.This arrangement of clutch can substitute the arrangement of clutch of the side's of employing silk spring, ratchet, ratchet and brake lever in the past completely, removes freewheel clutch simultaneously and can save manufacturing cost.
Accompanying drawing explanation
Fig. 1 is deceleration clutch structure of washing-machine schematic diagram of the present invention;
Fig. 2 is decelerating clutch of washing machine arrangement of clutch structural representation of the present invention;
Fig. 3 is another arrangement of clutch syndeton schematic diagram of decelerating clutch of washing machine of the present invention;
Fig. 4 is another decelerator syndeton schematic diagram of decelerating clutch of washing machine of the present invention;
Attached figure labeling description: power shaft 1; First central gear 1a; First external splines 1b; 3rd central gear 1c; Input axle sleeve 2; Second external splines 2a; Rolling bearing 3; Oil sealing 4; Braked wheel 5; First planet wheel carrier lid 6; First planet gear shaft 7; First planet gear 8; First internal gear 9; First planet wheel carrier 10; Connecting axle 11; Dehydrating shaft 12; Output shaft 13; Second planetary wheel carrier lid 14; Second planet pin 15; Second planetary gear 16; Secondary annulus 17; Second planetary wheel carrier 18; Second central gear 19; Torque transmissioning shaft cover 20; First spline 20a; First internal spline 20b; Clutch discs 21; Second spline 21a; Second internal spline 21b; 3rd spline 21c; Clutch discs spring 22; Shifting fork device 23; Rolling bearing 24; Brake arm 25; Brake band 26; Rolling bearing 27; Upper shell 28; Lower house 29; Positioning disk 30; 4th spline 30a; Groove 31; Boss 32; 5th spline 33; 6th spline 34; 3rd internal gear 35; 4th internal gear 36; Compound planet gear axle 37; Compound planetary wheel carrier 38; Cog 39; Lower gear 40
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Embodiment one
As shown in Figure 1 to Figure 3, the invention provides a kind of novel decelerating clutch of washing machine, comprising: power shaft 1, input axle sleeve 2, rolling bearing 3, oil sealing 4, braked wheel 5, decelerator, connecting axle 11, dehydrating shaft 12, output shaft 13, brake arm 25 and arrangement of clutch.
Input axle sleeve 2 is flexibly connected with braked wheel 5 by the cooperation of rolling bearing 3, dehydrating shaft 12 is fixed into a rigid body by connecting axle 11 and braked wheel 5, decelerator is arranged on braked wheel 5 inner chamber, power shaft 1, braked wheel 5 is connected with decelerator with output shaft 13, input axle sleeve 2 to be sleeved on power shaft 1, dehydrating shaft 12 is sleeved on output shaft 13, the axle journal A place of containing input axle sleeve at braked wheel 5 is provided with two rolling bearings 3 and an oil sealing 4, rolling bearing 3 play supporting role to input axle sleeve 2, and rolling bearing 3 and oil sealing 4 pairs of braked wheel inner chamber train greases play the effect of sealing and anti-leakage.
The double-planet train that described decelerator is made up of first planet train and the second planet circular system, first planet train is deceleration transmission chain between power shaft 1 and output shaft 13, and the second planet circular system is that output shaft 13 turns to driving-chain contrary each other with the deceleration between braked wheel 5 and dehydrating shaft 12.Decelerator is arranged on braked wheel 3 inner chamber, the deceleration train between the power shaft 1 that existing traditional speed-reducing clutch uniquely has and output shaft 13, has again output shaft 13 with the deceleration between braked wheel 5 and dehydrating shaft 12 and change over to turn to driving-chain contrary each other.Arrangement of clutch is used for being separated or combination between power shaft 1 with input axle sleeve 2; Brake band 26 for braked wheel 5 dehydration rotation direction braking or unclamp (consulting Fig. 2).
Described first planet train is primarily of the first central gear 1a, first planet wheel carrier lid 6, first planet gear shaft 7, first planet gear 8, first internal gear 9, first planet wheel carrier 10 is formed, first central gear 1a one is extruded on power shaft 1, first planet gear 8 is distributed on that first planet wheel carrier 10 is same circumferentially to be engaged with the first internal gear 9, first internal gear 9 is arranged on braked wheel 5 inner chamber, first planet gear 8 coordinates with first planet gear shaft 7 activity, first planet wheel carrier 10 is connected with output shaft 13 by the second central gear 19, first planet wheel carrier lid 6 is connected with first planet wheel carrier 10 riveted.The second described planet circular system is primarily of the second planetary wheel carrier lid 14, second planet pin 15, second planetary gear 16, secondary annulus 17, second planetary wheel carrier 18, second central gear 19 is formed, secondary annulus 17 is packed in braked wheel 5 inner chamber, second central gear 19 is packed on output shaft 13 and engages with the second planetary gear 16, second planetary gear 16 coordinates with the second planet pin 15 activity, engage with secondary annulus 17, second planet pin 15 is arranged on the second planetary wheel carrier 18, it is circumferentially same that second planetary gear 16 and the second planet pin 15 are distributed on the second planetary wheel carrier 18, second planetary wheel carrier lid 14 is connected with the second planetary wheel carrier 18 riveted.The first planet gear 8 be arranged on first planet gear shaft 7 engages with the first central gear 1a, the first internal gear 9 simultaneously, and the second planetary gear 16 be arranged on the second planet pin 15 engages with the second central gear 19, secondary annulus 17 simultaneously; Described input axle sleeve 2 is connected as one by the first internal gear 9 and the second planetary wheel carrier 18, and the first internal gear 9 lower end is connected with input axle sleeve 2 upper end, and the first internal gear 9 upper end is connected with the second planetary wheel carrier 18 lower end.First planet wheel carrier 10 is connected with output shaft 13 by the second central gear 19; Secondary annulus 17 to be arranged on braked wheel 5 inner chamber and to be connected with braked wheel; Dehydrating shaft 12 is fixed into a rigid body by connecting axle 11 and braked wheel 5.
Such as, first internal gear 9 lower surface is distributed with multiple groove 31, input axle sleeve 2 upper end is distributed with the boss 32 corresponding with groove 31, input axle sleeve 2 is connected and fixed (consulting Fig. 1) by the groove 31 on boss 32 and the first internal gear 9 lower surface, the position of this texture grooves and boss can exchange, namely the first internal gear 9 lower surface is distributed with boss, and input axle sleeve 2 upper end is distributed with groove; As shown in Figure 2, first internal gear 9 upper end endoporus is provided with the 5th spline 33, second planetary wheel carrier 18 lower end cylindrical is provided with the 6th spline 34, first internal gear 9 and the second planetary wheel carrier 18 are connected and fixed by the 5th spline 33 and the 6th spline 34 matching spline, groove and boss one_to_one corresponding, be preferably 6-8.The inserting mode of above-mentioned groove and boss also can adopt other as alternative in connected modes such as welding, riveted joint, spline joints, spline joint between 5th spline and the 6th spline, also other can be adopted as alternative in connected modes such as welding, riveted joint, grafting, and both do not relatively rotate.
Embodiment two
As shown in Figure 2, clutch control mechanism of the present invention comprises shifting fork device 23 and clutch discs spring 22, and clutch discs spring 22 is set on the cylindrical of input axle sleeve 2, and abuts with clutch discs 21, and shifting fork device 23 hinge type is arranged on lower house 29; Connection/disconnections of clutch control mechanism Synchronization Control clutch discs 21 and positioning disk 30 and clutch discs 21 and torque transmissioning shaft overlap 20 and disconnect/be connected and realize dehydrating shaft 12 and output shaft 13 rotates backward the/conversion of rotating in same direction each other, namely wash and dehydration condition is changed.
Torque transmissioning shaft cover 20 is provided with the first spline 20a near one end end face of clutch discs 21, endoporus is provided with the first internal spline 20b or square toes hole, clutch discs 21 near torque transmissioning shaft cover 20 one end end face is provided with the second spline 21a, endoporus is provided with the second internal spline 21b, be provided with the 3rd spline 21c near one end cylindrical of positioning disk 30; Positioning disk 30 is fixedly mounted on bottom lower house 29, and positioning disk 30 is provided with the 4th spline 30a near one end endoporus of clutch discs 21; Input axle sleeve 2 is provided with the second external splines 2a; Torque transmissioning shaft overlaps the first spline 20a and clutch discs second spline 21a is movably connected, second internal spline 21b and the second external splines 2a is movably connected, clutch discs the 3rd spline 21c and positioning disk the 4th spline 30a is movably connected, and the tail end first external splines 1b on the first internal spline 20b and power shaft 1 or square toes are connected.Above-mentioned torque transmissioning shaft overlaps the inside and outside spline joint of employing between the first spline 20a and clutch discs second spline 21a or is end face spline joint, namely torque transmissioning shaft cover 20 is provided with the first spline 20a near one end endoporus of clutch discs 21 or cylindrical or end face, and clutch discs 21 is provided with the second spline 21a near one end cylindrical of torque transmissioning shaft cover 20 or endoporus or the corresponding first spline 20a of end face; In like manner, inside and outside spline joint can also be adopted between clutch discs the 3rd spline 21c and positioning disk the 4th spline 30a or for end face spline joint.
Clutch discs spring 22 is set on the cylindrical of input axle sleeve 2, and abuts with clutch discs 21; Shifting fork device 23 is fixedly mounted on lower house 29.
When shifting fork device 23 pushes down clutch discs 21, clutch discs spring 22 is in compressive state, and the first spline 20a and the second spline 21a is in released state, and the 3rd spline 21c is connected with the 4th spline 30a, now dehydrating shaft 12 and output shaft 13 rotate backward each other, are namely in washing operating mode; When shifting fork device 23 leaves clutch discs 21, clutch discs 21 ejects by clutch discs spring 22, and the first spline 20a is connected with the second spline 21a, and the 3rd spline 21c is separated with the 4th spline 30a, and now dehydrating shaft 12 and output shaft 13 rotating in same direction, be namely in dehydration condition.
In sum, the present invention is when original state, and shifting fork device 23 unclamps clutch discs 21, and clutch discs spring 22 is in bounce-back state, and clutch discs 21, input axle sleeve 2 and torque transmissioning shaft cover 20 link together, during washing operating mode, brake arm 25 opens the first stroke and the second stroke continuously, drive brake band 26 take-off the brake wheel 5, and drive shifting fork device 23 to push down clutch discs 21, clutch discs spring 22 is in compressive state, first spline 20a and the second spline 21a is in released state, power shaft 1 is separated with input axle sleeve 2, low-speed running made by motor, until the 3rd spline 21c is connected with the 4th spline 30a of positioning disk 30, now, input axle sleeve 2, first internal gear 9 and the second planetary wheel carrier 18 are fixed, when power shaft 1 operates clockwise, in decelerator, first planet train deceleration output shaft 13 is made equidirectional and is such as operated clockwise, output shaft 13 clockwise running drive second central gear 19 operates clockwise, second central gear 19 drives the second planetary gear 16 to operate counterclockwise around the second planet pin 15, second planetary gear 16 drives secondary annulus 17 to operate counterclockwise, the second last internal gear 17 drives braked wheel 5 and dehydrating shaft 12 to do namely to operate counterclockwise with output shaft 13 opposite direction, when power shaft 1 counterclockwise operates, output shaft 13 and braked wheel 5 and dehydrating shaft 12 become counterclockwise and running clockwise respectively, namely when power shaft 1 varying cyclically turns to, determining differential speed ratio and turning to running contrary each other of respective direction is made in simultaneously driver output axle 13 and braked wheel 5 and dehydrating shaft 12 circulation, make to be connected in the impeller on output shaft 13 respectively and same running done by the interior bucket on dehydrating shaft 12, realize washing by rubbing with the hands washings in the current of stable ideal, improve clean result and clean ratio, reduce and even stop washings wrapping phenomena occurs, at the end of washing operating mode, brake arm 25 is returned to original state, shifting fork device 23 is replied and is left clutch discs 21, low-speed running made by motor, until clutch discs 21 ejects by clutch discs spring 22, first spline 20a is connected with the second spline 21a, and speed-reducing clutch returns to original state, for dehydration condition is prepared, during dehydration condition, brake arm opens the first stroke, brake band 26 keeps take-off the brake to take turns state, shifting fork device 23 position remains unchanged, first spline 20a and the second spline 21a is in connection status, and power shaft 1 and input axle sleeve 2 combine, and the 4th spline 30a of the 3rd spline 21c and positioning disk 30 is in released state, now, the whole movement comprising power shaft 1, input axle sleeve 2, braked wheel 5, decelerator, output shaft 13 and dehydrating shaft 12 etc. is combined into one.Under the supporting role of the rolling bearing 24,27 in upper shell 28 and lower house 29 and motor drive, whole movement is driven to do with the rotating speed of power shaft and clockwisely to run up, washings efficient centrifugal dehydration in carrying out in bucket, reaches the requirement of low-water-content.After having dewatered, brake arm 25 replys original state, and braked wheel 5 held tightly by brake band 26 simultaneously, implements braking to braked wheel 5, makes interior bucket and whole movement slow down gradually, until stop completely, returns to original state, for washing operating mode is prepared.
Embodiment three
As shown in Figure 3, from the difference of embodiment two, the present embodiment is that arrangement of clutch is different, torque transmissioning shaft cover 20 in described arrangement of clutch is arranged on the one end near power shaft 1 on braked wheel 5, according to the installation site of torque transmissioning shaft cover 20, torque transmissioning shaft overlaps 20 structure correspondence adjustment, due to torque transmissioning shaft cover 20, the relative position of clutch discs 21 and positioning disk 30 three changes, clutch mode is also corresponding to be changed: when shifting fork device 23 depresses clutch discs 21, clutch discs spring 22 is in compressive state, clutch discs 21 and torque transmissioning shaft overlap 20 and are connected, and disconnect with positioning disk 30, now dehydrating shaft 12 and output shaft 13 rotating in same direction, namely dehydration condition is in, when shifting fork device 23 leaves clutch discs 21, clutch discs 21 ejects by clutch discs spring 22, and clutch discs 21 and torque transmissioning shaft overlap 20 and disconnect, and are connected with positioning disk 30, and now dehydrating shaft 12 and output shaft 13 rotate backward each other, are namely in washing operating mode.
Embodiment four
As shown in Figure 4, the difference of the present embodiment speed-reducing clutch and embodiment one is: described decelerator replaces with compound planetary train by double-planet train, compound planetary train is the deceleration transmission chain between power shaft 1 and output shaft 13, is again that output shaft 13 turns to driving-chain contrary each other with the deceleration between braked wheel 5 and dehydrating shaft 12.
Compound planetary train is primarily of the 3rd central gear 1c, compound planet gear, 3rd internal gear 35, 4th internal gear 36, compound planet gear axle 37 and compound planetary wheel carrier 38 are formed, compound planet gear comprises cog 39 and lower gear 40, cog 39 and lower gear 40 coaxially shared compound planet gear axle 37, first central gear 1c is installed on power shaft 1, lower gear 40 engages with the first central gear 1c and the 3rd internal gear 35 simultaneously, cog and 39 to engage with the 4th internal gear 36, compound planetary wheel carrier 38 and output shaft 13 connect as one, 4th internal gear 36 is packed in braked wheel 5 inner chamber, input axle sleeve 2 and the 3rd internal gear 35 connect as one.
Arrangement of clutch in the present embodiment speed-reducing clutch can adopt the arrangement of clutch in embodiment three.
The difference of the present invention and existing similar speed-reducing clutch except decelerator adopt train different except, dehydrating shaft 12 is also made to be fixed into a rigid body by connecting axle 11 and braked wheel 5, and at the axle journal A place of braked wheel 5 containing input axle sleeve, two rolling bearings 3 and an oil sealing 4 are installed, rolling bearing 3 play supporting role to input axle sleeve 2, and rolling bearing 3 and oil sealing 4 pairs of braked wheel inner chamber train greases play the effect of sealing and anti-leakage, and have employed novel shifting fork clutch device.This improves system stiffness and bearing capacity greatly, and the reliability of speed-reducing clutch work and service life.
Certainly, the present invention is not limited to above-mentioned citing, the technical scheme that it will be apparent to those skilled in the art that, without departing from the spirit or scope of the present invention, makes various amendment to the present invention and changes in the claims in the present invention and equivalent scope of replacing thereof.

Claims (14)

1. a decelerating clutch of washing machine, comprise: power shaft (1), input axle sleeve (2), braked wheel (5), decelerator, dehydrating shaft (12), output shaft (13), lower house (29) and arrangement of clutch, input axle sleeve (2) is sleeved on power shaft (1), dehydrating shaft (12) is sleeved on output shaft (13), decelerator is arranged on braked wheel (5) inner chamber, it is characterized in that: described dehydrating shaft (12) and braked wheel (5) are integrally connected, described power shaft (1), input axle sleeve (2), braked wheel (5) is connected with decelerator respectively with output shaft (13), the double-planet train that described decelerator is made up of first planet train and the second planet circular system, first planet train is the deceleration transmission chain between power shaft (1) and output shaft (13), second planet circular system is that output shaft (13) turns to driving-chain contrary each other with the deceleration between braked wheel (5) and dehydrating shaft (12), described input axle sleeve (2) is integrally connected with the wheel carrier of the second planet circular system, input axle sleeve (2) is flexibly connected with braked wheel (5), arrangement of clutch comprises the positioning disk (30) be installed on lower house (29), the torque transmissioning shaft cover (20) be installed on power shaft (1), be installed on the upper and clutch discs (21) that can be connected with positioning disk (30) and torque transmissioning shaft cover (20)/disconnect respectively of input axle sleeve (2) and control clutch discs (21) and positioning disk (30) and torque transmissioning shaft cover (20) even clutch control mechanism broken.
2. a kind of decelerating clutch of washing machine according to claim 1, it is characterized in that: described output shaft (13) is in transmission connection by first planet train and power shaft (1), described dehydrating shaft (12) is in transmission connection by braked wheel (5), the second planet circular system and output shaft (13).
3. a kind of decelerating clutch of washing machine according to claim 1, it is characterized in that: described first planet train is primarily of the first central gear (1a), first planet gear shaft (7), first planet gear (8), first internal gear (9) and first planet wheel carrier (10) are formed, first central gear (1a) is installed on power shaft (1), first internal gear (9) is arranged on braked wheel (5) inner chamber, the activity of first planet gear (8) and first planet gear shaft (7) coordinates that to be distributed on first planet wheel carrier (10) circumferentially same, first planet gear (8) engages with the first central gear (1a) and the first internal gear (9) simultaneously, output shaft (13) and first planet wheel carrier (10) connect as one.
4. a kind of decelerating clutch of washing machine according to claim 3, it is characterized in that: the second described planet circular system is primarily of the second central gear (19), second planet pin (15), second planetary gear (16), secondary annulus (17) and the second planetary wheel carrier (18) are formed, secondary annulus (17) is packed in braked wheel (5) inner chamber, second central gear (19) is packed on output shaft (13), the activity of second planetary gear (16) and the second planet pin (15) coordinates that to be distributed on the second planetary wheel carrier (18) circumferentially same, second planetary gear (16) engages with secondary annulus (17) and the second central gear (19) simultaneously, input axle sleeve (2) and the second planetary wheel carrier (18) connect as one.
5. a kind of decelerating clutch of washing machine according to claim 4, it is characterized in that: described input axle sleeve (2) is connected with the second planetary wheel carrier (18) by the first internal gear (9), and first planet wheel carrier (10) is connected with output shaft (13) by the second central gear (19).
6. a kind of decelerating clutch of washing machine according to claim 4, is characterized in that: described secondary annulus (17) to be arranged on braked wheel (5) inner chamber and to be connected with braked wheel (5); Dehydrating shaft (12) is fixed into a rigid body by connecting axle (11) and braked wheel (5).
7. a kind of decelerating clutch of washing machine according to claim 4, is characterized in that: the described same first planet gear (8) circumferentially of first planet wheel carrier (10) that is distributed on is 2-4 with first planet gear shaft (7) quantity; Described same the second planetary gear (16) circumferentially of the second planetary wheel carrier (18) that is distributed on is 2-4 with the second planet pin (15) quantity.
8. a kind of decelerating clutch of washing machine according to claim 1, it is characterized in that: described clutch control mechanism comprises shifting fork device (23) and clutch discs spring (22), clutch discs spring (22) is set on the cylindrical of input axle sleeve (2), and abut with clutch discs (21), shifting fork device (23) is arranged on lower house (29); Connection/the disconnection of clutch control mechanism Synchronization Control clutch discs (21) and positioning disk (30) and clutch discs (21) and torque transmissioning shaft cover (20) disconnect/are connected and realize dehydrating shaft (12) and output shaft (13) rotates backward/conversion of rotating in same direction each other.
9. a kind of decelerating clutch of washing machine according to claim 1 or 8, is characterized in that: described input axle sleeve (2) is arranged on one end of braked wheel (5) by rolling bearing (3) rotatable engagement, and torque transmissioning shaft cover (20) and power shaft (1) link; Torque transmissioning shaft cover (20) is disposed adjacent with input axle sleeve (2); Clutch discs (21) is set in input axle sleeve (2), is slidably connected vertically with input axle sleeve (2).
10. a kind of decelerating clutch of washing machine according to claim 9, it is characterized in that: described torque transmissioning shaft cover (20) is provided with the first spline (20a) near one end of clutch discs (21), endoporus is provided with the first internal spline (20b) or square toes hole, clutch discs (21) near torque transmissioning shaft cover (20) one end is provided with the second spline (21a), endoporus is provided with the second internal spline (21b), be provided with the 3rd spline (21c) near one end of positioning disk (30); Positioning disk (30) is fixedly mounted on lower house (29) bottom, and positioning disk (30) is provided with the 4th spline (30a) near one end of clutch discs (21); Input axle sleeve (2) is provided with the second external splines (2a); Torque transmissioning shaft overlaps the first spline (20a) and clutch discs second spline (21a) is movably connected, second internal spline (21b) is connected with the second external splines (2a) axial sliding fit of input axle sleeve, clutch discs the 3rd spline (21c) and positioning disk the 4th spline (30a) are movably connected, and tail end first external splines (1b) on first internal spline (20b) of torque transmissioning shaft cover (20) or square toes hole and power shaft (1) or square toes are connected.
11. according to the arbitrary described a kind of decelerating clutch of washing machine of claim 1-8, it is characterized in that: axle journal (A) place of containing input axle sleeve (2) at braked wheel (5) is provided with at least one rolling bearing (3) and at least one oil sealing (4).
12., according to the arbitrary described a kind of decelerating clutch of washing machine of claim 1-8, is characterized in that: replaced with by the torque transmissioning shaft cover (20) be installed on described power shaft (1) and be arranged on the upper one end near power shaft (1) of braked wheel (5).
13. a kind of decelerating clutch of washing machine according to claim 1, it is characterized in that: described decelerator replaces with compound planetary train, compound planetary train is the deceleration transmission chain between power shaft (1) and output shaft (13), is again that output shaft (13) turns to driving-chain contrary each other with the deceleration between braked wheel (5) and dehydrating shaft (12).
14. a kind of decelerating clutch of washing machine according to claim 13, it is characterized in that: described compound planetary train is primarily of the 3rd central gear (1c), compound planet gear, 3rd internal gear (35), 4th internal gear (36), compound planet gear axle (37) and compound planetary wheel carrier (38) are formed, compound planet gear comprises and cogging (39) and lower gear (40), first central gear (1c) is installed on power shaft (1), lower gear (40) engages with the first central gear (1c) and the 3rd internal gear (35) simultaneously, cog (39) engage with the 4th internal gear (36), compound planetary wheel carrier (38) and output shaft (13) connect as one, 4th internal gear (36) is packed in braked wheel (5) inner chamber, input axle sleeve (2) and the 3rd internal gear (35) connect as one.
CN201410030094.7A 2014-01-22 2014-01-22 A kind of decelerating clutch of washing machine Active CN104790177B (en)

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Application Number Priority Date Filing Date Title
CN201410030094.7A CN104790177B (en) 2014-01-22 2014-01-22 A kind of decelerating clutch of washing machine
KR1020167021443A KR20160106142A (en) 2014-01-22 2014-12-26 Washing machine decelerating clutch and washing machine
US15/113,649 US20170002499A1 (en) 2014-01-22 2014-12-26 Washing machine decelerating clutch and washing machine
EP14879443.1A EP3103910A4 (en) 2014-01-22 2014-12-26 Washing machine decelerating clutch and washing machine
JP2016545770A JP6481690B2 (en) 2014-01-22 2014-12-26 Washing machine deceleration clutch and washing machine
PCT/CN2014/095102 WO2015109915A1 (en) 2014-01-22 2014-12-26 Washing machine decelerating clutch and washing machine

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CN105734903A (en) * 2014-12-12 2016-07-06 青岛海尔洗衣机有限公司 Washing machine dehydrating shaft and speed reduction clutch
CN105734905A (en) * 2014-12-12 2016-07-06 青岛海尔洗衣机有限公司 Washing machine speed reduction clutch and washing machine

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KR20040046923A (en) * 2002-11-28 2004-06-05 엘지전자 주식회사 Clutch assembly of washing machine
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CN105734903A (en) * 2014-12-12 2016-07-06 青岛海尔洗衣机有限公司 Washing machine dehydrating shaft and speed reduction clutch
CN105734905A (en) * 2014-12-12 2016-07-06 青岛海尔洗衣机有限公司 Washing machine speed reduction clutch and washing machine
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CN105734905B (en) * 2014-12-12 2019-08-20 青岛海尔洗衣机有限公司 A kind of decelerating clutch of washing machine and washing machine

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