CN203807801U

CN203807801U - Speed-reducing clutch for washing machine and washing machine

Info

Publication number: CN203807801U
Application number: CN201420040470.6U
Authority: CN
Inventors: 吕佩师; 杨林; 张刚金; 今井俊次
Original assignee: Haier Group Corp; Qingdao Haier Washing Machine Co Ltd
Current assignee: Qingdao Haier Washing Machine Co Ltd
Priority date: 2014-01-22
Filing date: 2014-01-22
Publication date: 2014-09-03
Anticipated expiration: 2024-01-22

Abstract

The utility model discloses a deceleration clutch for a washing machine and a washing machine. The deceleration clutch includes an input shaft, an input shaft sleeve, a brake wheel, a speed reducer, a dehydration shaft, an output shaft, a clutch device and a casing, and the input shaft sleeve is set on the input shaft. The dehydration shaft is set on the output shaft, and the reducer is installed in the inner cavity of the brake wheel. The input shaft, input shaft sleeve, brake wheel and output shaft are respectively connected with the reducer. The reducer includes two sets of planetary gear trains, respectively A planetary gear train and a second planetary gear train, the input shaft sleeve is connected as a whole with the wheel carrier of the second planetary gear train, and the dehydration shaft is connected with the brake wheel as a whole; the input shaft sleeve is provided with a first Bearing, the second bearing is arranged on the dehydration shaft. The utility model has the characteristics of simple and compact structure, low manufacturing cost, safe and reliable transmission, high efficiency, long service life and low noise.

Description

Decelerating clutch of washing machine and washing machine

Technical field

The utility model relates to washing machine field, specifically a kind of decelerating clutch of washing machine and washing machine.

Background technology

At present, the effect of the speed-reducing clutch of pulsator washing machine is generally to drive impeller to do reciprocating rotation after the Double-directional rotary of motor is slowed down.Conventional speed-reducing clutch mainly by power shaft, output shaft, output sleeve, input axle sleeve, braked wheel, be arranged on the reducing gear of braked wheel inside and be arranged on the clutch components that power shaft puts and form.When washing operating mode, require output shaft low-speed bidirectional repeatedly to rotate, output sleeve and braked wheel are as a whole, the general only simple decelerating effect of reducing gear, 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 inner reducing gear does not change, only changed clutch control mechanism, by routine list ratchet, single ratchet, change two ratchets into, two ratchets, when washing operating mode, braked wheel is tentatively unclamped (during dehydration, being just totally released), drive motors bidirectional rotation, drive the corresponding bidirectional rotation of output shaft, output sleeve is not because being braked simultaneously, and be subject to output shaft current reaction masterpiece and the reciprocal corresponding rotation of output shaft in when rotation, 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, unsettled.Though form rubbing phenomenon with the hands, but do not reach desirable clean result, and because brake band and the operating mechanism of two ratchets link, during washing, two ratchets do not allow to leave ratchet (just leaving during dehydration), therefore while washing, brake band is only for tentatively unclamping, separation is not thorough, has increased the friction and wear of brake band, has improved the shaping of brake band and has adjusted requirement.When dehydration condition, require output shaft and output sleeve to make as a whole 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 ratchet, ratchet, ratchet spring, brake spring, clutch axle sleeve, adjust the complete clutch parts such as bolt, but the function itself without automatic clutch conversion, must be through the manipulation of outside traction electric machine, make brake spring generation clutch action, could change washing and the operating mode of dewatering, its electric-control system and clutch control system are all more complicated, wearing and tearing have been increased, increase the opening force of brake lever, directly affected 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 by being output as the rotation of motor two switched in opposite, rotation that speed is different, thereby drive respectively the rotation that impeller is contrary with interior bucket travel direction, speed is different, and then play clothing is carried out to the effect of washing washing by rubbing with the hands.The speed-reducing clutch of existing washing machine bi-directional drive is generally to adopt planet fixed shaft gear train drive mechanism, gear transmission structure and Oscillating Tooth Gear Reducer structure, because general gear drive noise when the positive and negative twocouese transmission is large, and that Oscillating Tooth Gear Reducer structure obtains manufacturing cost is higher, therefore, planet fixed shaft gear train drive mechanism is widely used.

Application number is that 03239381.4 Chinese patent discloses a kind of automatic reduction clutch of washing machine, it is mainly comprised of power shaft, output shaft, output sleeve, input axle sleeve, braked wheel and the Dual Drive gear mechanism that is 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.Washing is during operating mode, and output shaft and output sleeve are mutually reverse, two-wayly drive in proportion, and swing rotary repeatedly, relative strength is rubbed pendulum with the hands.During dehydration condition, by the locking effect of arrangement of clutch, can make the automatic combination of output shaft and output sleeve, make the unidirectional continuous rotation of high speed, centrifugal dehydration simultaneously.

But, there is the washing machine of above-mentioned speed-reducing clutch when washing operating mode, interior bucket and the frequent contrary running of impeller, 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 because freewheel clutch is bad, there is quality problem.In interior bucket rotary course, often can produce opposition to unilateral bearing, easily there is failure phenomenon in unilateral bearing, and when the while washs with regard to there will be, clutch spring occurs holding phenomenon tightly and cause clutch spring to damage; 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 larger, causes the large noise that occurs of vibration of washing machine.

In view of this spy proposes the utility model.

Utility model content

The technical problems to be solved in the utility model 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.

Another object of the present utility model is to provide a kind of washing machine with this speed-reducing clutch.

For solving the problems of the technologies described above, the utility model 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, arrangement of clutch and shell, input axle sleeve is sleeved on power shaft, dehydrating shaft is sleeved on output shaft, decelerator is arranged on braked wheel inner chamber, described power shaft, input axle sleeve, braked wheel is connected with decelerator respectively with output shaft, described decelerator comprises two cover planet circular systems, be respectively the first row star wheel series and the second planet circular system, described input axle sleeve and the wheel carrier of the second planet circular system are integrally connected, described dehydrating shaft and braked wheel are integrally connected, described power shaft puts and is provided with clutch shaft bearing, and dehydrating shaft is provided with the second bearing.

Further, described output shaft is in transmission connection by the first row star wheel series and power shaft, and described dehydrating shaft is in transmission connection by braked wheel, the second planet circular system and output shaft.

Further, described the first row star wheel series is the deceleration transmission chain between power shaft and output shaft, the second described planet circular system be output shaft with braked wheel between deceleration and turn to contrary each other driving-chain.

Further, described the first row star wheel series mainly consists of the first central gear, the first internal gear, the first planetary gear, the first row star wheel frame, the first central gear is installed on power shaft, the first internal gear is located in braked wheel chamber, the first planetary gear is distributed on the same circumference of the first row star wheel frame, the first planetary gear meshes with the first central gear and the first internal gear simultaneously, and output shaft and the first row star wheel frame connect as one.

Further, the second described planet circular system mainly consists of the second central gear, secondary annulus, the second planetary gear, the second planetary wheel carrier, secondary annulus is packed in braked wheel inner chamber, the second central gear is installed on output shaft, the second planetary gear is distributed on the same circumference of the second planetary wheel carrier, the second planetary gear meshes with the second central gear and secondary annulus simultaneously, and input axle sleeve and the second planetary wheel carrier connect as one.

Further, by changing the first planetary gear and the second planetary diameter, modulus and the number of teeth, to change respectively the step-down ratio of two planet circular systems.

Further, described the first planetary quantity being distributed on the same circumference of the first row star wheel frame is 2-4; Described the second planetary quantity being distributed on the same circumference of the second planetary wheel carrier is 2-4.

Further, described arrangement of clutch comprise be installed on braked wheel lower end dehydration pin, be installed on input axle sleeve and with the clutch cover of input axle sleeve unitary rotation, be installed on the banking pin of shell lower end and drive connect with dehydration pin, banking pin respectively/disconnected driver element of clutch cover.

Washing state, driver element control clutch cover is connected with banking pin and disconnects with dehydration pin, dewatering state, driver element is controlled clutch cover and is connected and disconnects with banking pin with the pin that dewaters.

Or, above-mentioned alternative is, described arrangement of clutch comprises the dehydration pin that is installed on power shaft, be installed on input axle sleeve and with the clutch cover of input axle sleeve unitary rotation, be installed on the banking pin of shell lower end and drive connect with dehydration pin, banking pin respectively/disconnected driver element of clutch cover.

Further, between described braked wheel and shell, be provided with the 3rd bearing.

Further, described clutch shaft bearing is located between input axle sleeve and braked wheel.

Washing machine described in the utility model, comprise outer barrel, the interior bucket that is coaxially arranged on placement clothing in outer barrel being filled with water, impeller and the drive motors that is coaxially arranged on bottom of the barrel, described power shaft is connected with drive motors, output shaft is connected with impeller, dehydrating shaft is connected with interior bucket, deceleration transmission by speed-reducing clutch during washing makes impeller and interior bucket reverse Double-directional rotary each other, impeller and the synchronized in the same way one-directional rotation of interior bucket during dehydration.

Further, according to the capacity of washing of drum type washing machine, energy consumption and clean result, determine the first planetary gear and the second planetary diameter, modulus and the number of teeth.

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.

Adopt after technique scheme, the utility model compared with prior art has following beneficial effect.

The utility model provides a kind of speed-reducing clutch of two-way backwards rotation washing efficient, simple and reliable for structure and the application scheme on washing machine, has improved the transmission efficiency of washing machine, has reduced energy consumption.The utility model speed-reducing clutch is simple in structure, reliability is high, has promoted washing machine performance.

Decelerator in speed-reducing clutch described in the utility model adopts different driving-chains, as double-planet train, meet speed reducing ratio, output shaft is relative with braked wheel and dehydrating shaft rotates backward, improved bearing capacity, overcome traditional double dynamical deceleration clutch dehydrating shaft separated with braked wheel, system rigidity is poor, under dewatering state in large, the defect such as noise is large of the bucket amplitude of oscillation; Thereby make ratio wheel architecture novel, system stiffness is good, and bearing capacity is strong, reliable operation, long service life, has realized in the current of stable ideal washings has been washed by rubbing with the hands, improved clean ratio, reduced energy consumption, reduced and even stopped washings wrapping phenomena.

The utility model improves arrangement of clutch again, and its clutch can not lost efficacy, long service life, and noise is low.This arrangement of clutch can substitute the arrangement of clutch of employing side's 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 the utility model decelerating clutch of washing machine syndeton schematic diagram;

Fig. 2 is another syndeton schematic diagram of the utility model decelerating clutch of washing machine;

Fig. 3 is another bearing mounting structure schematic diagram of the utility model decelerating clutch of washing machine;

Attached figure labeling description: 1, power shaft, 2, input axle sleeve, 3, clutch cover, 4, banking pin, 5, braked wheel, 6, dehydration pin, the 7, first central gear, the 8, first planetary gear, 9, the first internal gear, 10, the first row star wheel frame, 11, clutch shaft bearing, 12, dehydrating shaft, 13, output shaft, the 14, second bearing, 15, shell, the 16, second planetary gear, 17, secondary annulus, 18, the second planetary wheel carrier, the 19, second central gear, the 20, the 3rd bearing

The specific embodiment

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail.

As shown in Figure 1 to Figure 3, decelerating clutch of washing machine described in the utility model, comprise: power shaft 1, input axle sleeve 2, braked wheel 5, decelerator, dehydrating shaft 12, output shaft 13, arrangement of clutch and shell 15, 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 chambers, described power shaft 1, input axle sleeve 2, braked wheel 5 is connected with decelerator respectively with output shaft 13, described decelerator comprises two cover planet circular systems, be respectively the first row star wheel series and the second planet circular system, described input axle sleeve 12 and the wheel carrier of the second planet circular system are integrally connected, described dehydrating shaft 12 is integrally connected with braked wheel 5, on described input axle sleeve 2, clutch shaft bearing 11 is installed, dehydrating shaft 12 is provided with the second bearing 14.

Described output shaft 13 is in transmission connection by the first row star wheel series and power shaft 1, and described dehydrating shaft 12 is in transmission connection by braked wheel 5, the second planet circular system and output shaft 13; Described the first row star wheel series is the deceleration transmission chain between power shaft 1 and output shaft 13, the second described planet circular system be output shaft 13 with braked wheel 5 between deceleration and turn to contrary each other driving-chain.

Wherein, the first row star wheel series mainly consists of the first central gear 7, the first internal gear 9, the first planetary gear 8, the first row star wheel frame 10, the first central gear 7 is installed on power shaft 1, the first internal gear 9 is located in braked wheel 5 chambers, the first planetary gear 8 is distributed on the same circumference of the first row star wheel frame 10, simultaneously with the first central gear 7, the first internal gear 9 engagements, output shaft 13 connects as one with the first row star wheel frame 10, and the gear shaft of the first planetary gear 8 is installed on this first row star wheel frame 10.

The second planet circular system mainly consists of the second central gear 19, secondary annulus 17, the second planetary gear 16, the second planetary wheel carrier 18, secondary annulus 17 is packed in braked wheel 5 inner chambers, the second central gear 19 is installed on output shaft 13, the second planetary gear 16 is distributed on the same circumference of the second planetary wheel carrier 18, simultaneously with the second central gear 19, secondary annulus 17 engagements, input axle sleeve 2 and the second planetary wheel carrier 18 connect as one, and the gear shaft of the second planetary gear 16 is installed on this second planetary wheel carrier 18.Described the first row star wheel series the first internal gear 9 is installed on the second planetary wheel carrier 18 of the second planet circular system.

The quantity that is distributed on the first planetary gear 8 on the same circumference of the first row star wheel frame 10 described in the utility model is 2-4; The described quantity that is distributed on the second planetary gear 16 on the same circumference of the second planetary wheel carrier 18 is 2-4.By changing diameter, modulus and the number of teeth of the first planetary gear 8 and the second planetary gear 16, to change respectively the step-down ratio of two planet circular systems.

As shown in Figure 3, during washing, owing to relatively rotating between input axle sleeve 2 and braked wheel 5, preferred, clutch shaft bearing 11 is installed between input axle sleeve 2 and the axle journal of braked wheel 5.Further, because braked wheel 5 all rotates under washing and dewatering state, therefore, the 3rd bearing 20 is installed between braked wheel 5 and shell 15.

Embodiment mono-

As shown in Figure 1, the arrangement of clutch described in the present embodiment comprise be installed on braked wheel 5 lower ends dehydration pin 6, be installed on input axle sleeve 2 and with the clutch cover 3 of input axle sleeve unitary rotation, be installed on the banking pin 4 of shell 15 lower ends and drive connect with dehydration pin 6, banking pin 4 respectively/disconnected driver element of clutch cover 3;

Washing state, driver element control clutch cover 3 is connected with banking pin 4 and disconnects with dehydration pin 6, dewatering state, driver element is controlled clutch cover 3 and is connected with the pin 6 that dewaters and disconnects with banking pin 4.

Embodiment bis-

As shown in Figure 2, the described arrangement of clutch of this enforcement comprise the dehydration pin 6 that is installed on power shaft 1, be installed on input axle sleeve 2 and with the clutch cover 3 of input axle sleeve unitary rotation, be installed on the banking pin 4 of shell 15 lower ends and drive connect with dehydration pin 6, banking pin 4 respectively/disconnected driver element of clutch cover 3;

Embodiment tri-

In above-described embodiment, clutch cover 3 is slidably installed on input axle sleeve 2 up and down, can with input axle sleeve unitary rotation; By driver element, control clutch cover 3 and slide up and down and the pin 6 that dewaters, banking pin 4 spline joints, disconnection, driver element comprises back-moving spring and the device that drives clutch cover to move, and this device is Electromagnetic Drive or Mechanical Driven, as shifting fork structure.

Embodiment tetra-

The utility model washing machine comprises outer barrel, the interior bucket that is coaxially arranged on placement clothing in outer barrel being filled with water, impeller and the drive motors that is coaxially arranged on bottom of the barrel, described power shaft 1 is connected with drive motors, output shaft 13 is connected with impeller, dehydrating shaft 12 is connected with interior bucket, deceleration transmission by speed-reducing clutch during washing makes impeller and interior bucket reverse Double-directional rotary each other, impeller and the synchronized in the same way one-directional rotation of interior bucket during dehydration.Washing machine is existing full-automatic impeller type washing machine, and its structure no longer illustrates.

The utility model washing machine is sold connection, the disengagement conversion between 6 by the clutch cover 3 in arrangement of clutch and banking pin 4, dehydration, realizes the conversion of washing operating mode and dehydration condition.At clutch cover 3, be connected with banking pin 4, while throwing off with dehydration pin 6, washing machine is in washing operating mode, now drive motors is two-way rotates repeatedly, power is slowed down and is passed to output shaft 13 rotations by power shaft 1, the first row star wheel series, output shaft 13 is slowed down and is passed to dehydrating shaft 12 by the second planet circular system again, realizes the two-way of output shaft 13 and dehydrating shaft 12 and repeatedly rotates.Be in particular, washing state, the first row star-wheel is free state, the first central gear 7 drives the first planetary gear 8 to rotate, the first planetary gear 8 rotations and revolution, and then drive the first row star wheel frame 10 to rotate, the output shaft 13 being connected with the first row star wheel frame 10 rotates, and drives impeller to rotate; Output shaft 13 rotates again, drive the second central gear 19 to rotate, and then drive the second planetary gear 16 to rotate, because clutch cover 3 is connected with banking pin 4, the second planet circular system is converted into fixed shaft gear train, and the second planet circular system can not revolve round the sun, and the rotation of the second planetary gear 16 drives secondary annulus 17 to rotate, and then braked wheel 5 and dehydrating shaft 12 rotations, in driving, bucket rotates backward each other with impeller.

At clutch cover 3 and banking pin 4, disconnect, while being connected with dehydration pin 6, washing machine is in dehydration condition, now drive motors is according to the direction single direction rotation of setting, because clutch cover 3 is connected locking with dehydration pin 6, power shaft 1, input axle sleeve 2, the first row star wheel series, the second planet circular system, output shaft 13, dehydrating shaft 12 and be automatically combined into as a wholely, enter dehydration condition, and interior bucket connects dehydrating shaft 12 and starts centrifugal dehydrations rotation.

Certainly, the utility model is not limited to above-mentioned giving an example, the technical scheme it will be apparent to those skilled in the art that, in the situation that not departing from spirit or scope of the present utility model, the utility model is made various modifications and changed in the utility model claim and be equal in the scope of replacement.

Claims

1. A washing machine deceleration clutch, including: input shaft (1), input shaft sleeve (2), brake wheel (5), reducer, dehydration shaft (12), output shaft (13), clutch device and housing ( 15), the input shaft sleeve (2) is set on the input shaft (1), the dehydration shaft (12) is set on the output shaft (13), and the reducer is installed in the inner cavity of the brake wheel (5), which is characterized in that: The input shaft (1), input shaft sleeve (2), brake wheel (5) and output shaft (13) are respectively connected with the reducer, and the reducer includes two sets of planetary gear trains, respectively the first The planetary gear train and the second planetary gear train, the input shaft sleeve (2) is connected with the wheel frame of the second planetary gear train as a whole, and the dehydration shaft (12) is connected with the brake wheel (5) In one body; the input shaft sleeve (2) is provided with a first bearing (11), and the dehydration shaft (12) is provided with a second bearing (14).

2. The washing machine deceleration clutch according to claim 1, characterized in that: the output shaft (13) is connected to the input shaft (1) through the first planetary gear train, and the dehydration shaft (12) is The driving wheel (5), the second planetary gear train are in drive connection with the output shaft (13).

3. The washing machine deceleration clutch according to claim 1 or 2, characterized in that: the first planetary gear train is a deceleration transmission chain between the input shaft (1) and the output shaft (13), and the first The two planetary gear trains are transmission chains that decelerate between the output shaft (13) and the brake wheel (5) and turn to the opposite direction.

4. The deceleration clutch for washing machine according to claim 3, characterized in that: the first planetary gear train is mainly composed of the first sun gear (7), the first internal gear (9), the first planetary gear (8) 1. The first planetary gear carrier (10) is composed, the first sun gear (7) is installed on the input shaft (1), the first internal gear (9) is arranged in the chamber of the brake wheel (5), and the first planetary gear ( 8) Evenly distributed on the same circumference of the first planetary gear carrier (10), the first planetary gear (8) meshes with the first sun gear (7) and the first internal gear (9) at the same time, the output shaft (13) and the first A planet carrier (10) is connected as a whole.

5. The deceleration clutch for washing machine according to claim 4, characterized in that: the second planetary gear train is mainly composed of the second sun gear (19), the second internal gear (17), the second planetary gear (16) , The second planetary gear carrier (18), the second inner gear (17) is fixed in the inner cavity of the brake wheel (5), the second sun gear (19) is installed on the output shaft (13), the second planetary gear (16) are evenly distributed on the same circumference of the second planetary gear carrier (18), the second planetary gear (16) meshes with the second sun gear (19) and the second internal gear (17) at the same time, and the input shaft sleeve (2) It is connected with the second planetary carrier (18) as a whole.

6. The washing machine deceleration clutch according to claim 1, characterized in that: said clutch device includes a dehydration pin (6) installed on the lower end of the brake wheel (5), installed on the input shaft sleeve (2) and connected with the input The clutch sleeve (3) that the shaft sleeve rotates integrally, the brake pin (4) installed on the lower end of the casing (15) and the driving clutch sleeve (3) are connected/disconnected with the dehydration pin (6) and the brake pin (4) respectively Drive unit.

7. The washing machine deceleration clutch according to claim 1, characterized in that: said clutch device includes a dehydration pin (6) installed on the input shaft (1), installed on the input shaft sleeve (2) and connected to the input shaft The clutch sleeve (3), which rotates integrally with the sleeve, the brake pin (4) installed at the lower end of the housing (15), and the driving clutch sleeve (3) are connected/disconnected with the dehydration pin (6) and the brake pin (4) respectively. unit.

8. The washing machine deceleration clutch according to claim 5, characterized in that: the number of the first planetary gears (8) uniformly distributed on the same circumference of the first planetary gear carrier (10) is 2-4; The number of the second planetary gears (16) uniformly distributed on the same circumference of the second planetary gear carrier (18) is 2-4.

9. The washing machine deceleration clutch according to claim 1, characterized in that: a third bearing (20) is provided between the brake wheel (5) and the casing (15).

10. The washing machine deceleration clutch according to claim 1, characterized in that: the first bearing (11) is arranged between the input shaft sleeve (2) and the brake wheel (5).

11. A washing machine with a deceleration clutch for a washing machine according to any one of claims 1-10, comprising an outer tub for holding water, an inner tub coaxially arranged to place clothes in the outer tub, a pulsator coaxially arranged at the bottom of the inner tub, and a drive The motor is characterized in that: the input shaft (1) is connected with the drive motor, the output shaft (13) is connected with the pulsator, and the dehydration shaft (12) is connected with the inner barrel.