CN211972800U

CN211972800U - Washing machine and speed reduction clutch device thereof

Info

Publication number: CN211972800U
Application number: CN201922257426.6U
Authority: CN
Inventors: 张刚金; 王得军; 傅晓东; 赵新宇
Original assignee: Qingdao Haier Washing Machine Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Washing Machine Co Ltd; Haier Smart Home Co Ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-11-20
Anticipated expiration: 2029-12-12

Abstract

The utility model provides a washing machine's speed reduction clutch and washing machine, washing machine's speed reduction clutch include reduction gears, reduction gears including but two-way pivoted braked wheel and with braked wheel fixed connection's dehydration axle, still including being used for the locking mechanism of dehydration axle. The utility model discloses a but deceleration clutch's braked wheel bidirectional rotation to the bucket has more rotatory modes in driving, can provide more washing modes in theory: the washing mode that the dewatering shaft is locked by the locking mechanism, the brake wheel is also locked at the same time, and the speed reduction clutch device singly drives the impeller to rotate; the locking mechanism is used for unlocking the dewatering shaft, the brake wheel can freely rotate in two directions, and the speed reduction clutch device singly drives the impeller to rotate and the inner barrel to freely rotate; therefore, in the whole washing process of the washing machine, various combined washing modes can be adopted, the washing is more sufficient, the clothes are cleaner, and the use experience of a user is improved.

Description

Washing machine and speed reduction clutch device thereof

Technical Field

The utility model relates to a laundry equipment technical field specifically, relates to a washing machine's speed reduction clutch and washing machine.

Background

The washing machine, as a household appliance, is gradually becoming an indispensable part of people's life, and the full-automatic pulsator washing machine, as a main type of washing machine, has an increasingly wide application range. The prior full-automatic impeller washing machine generally has the working mode that during washing and rinsing, a driving device drives an impeller of the washing machine to rotate forward and backward through a speed reduction clutch device, and during dehydration, the driving device drives the impeller of the washing machine and a washing barrel to synchronously rotate at high speed through the speed reduction clutch device.

However, with the rapid development of science and technology, the existing full-automatic pulsator washing machine has a more limited improvement of the washing effect of the clothes by simply using a washing mode of pulsator stirring water flow, and therefore, how to increase the washing diversity of the full-automatic pulsator washing machine becomes a technical problem which needs to be solved urgently to improve the washing effect.

Several patents have been proposed to solve this problem, such as the following: 02804912.8 entitled Transmission mechanism for generating bidirectional rotation, washing machine and method for generating bidirectional washing, and related inner tub and agitator, which discloses a transmission mechanism suitable for use in a washing machine for generating bidirectional drive, comprising a power input and two power outputs, one of which is connected to an agitator shaft (10) and rotates the agitator shaft in a first direction; and the other power output end thereof is connected with an inner barrel shaft (11) and rotates the inner barrel shaft in a second direction opposite to the first direction. A washing machine for generating bi-directional washing and a washing method capable of generating bi-directional washing in the washing machine. A pulsator and an inner tub for a washing machine. The patent discloses a transmission mechanism capable of driving a washing machine bidirectionally, and simultaneously discloses a specific structure of the transmission mechanism in the specification, and the content of the specification and the attached drawings shows that the patent solves the problem of single power driving mode of the existing full-automatic pulsator washing machine during washing to a certain extent, but the disclosed transmission mechanism has the problems of complex structure, high manufacturing and assembling difficulty, high manufacturing cost and the like.

For another example, application No.: 201310408108.X, with the name: the invention discloses a full-automatic washing machine, which comprises an outer barrel, an inner barrel, an impeller and a driving device, wherein the driving device comprises at least two rotors and at least one stator, one of the rotors is connected with the inner barrel shaft, and the other rotor is connected with the impeller shaft; the driving device is a variable frequency direct drive motor, the rotor, the stator, the inner barrel shaft and the impeller shaft are coaxially arranged, the inner barrel shaft is hollow, and the impeller shaft is arranged in the inner barrel shaft; when the washing machine washes, the wave wheel and the inner barrel rotate in the same direction, or rotate in opposite directions, or one of the wave wheel and the inner barrel rotates, and when the washing machine dehydrates, the wave wheel and the inner barrel rotate in the same direction and at the same speed. Washing machine, it is connected with interior bucket axle and impeller shaft separately through two rotors, through the interior bucket of birotor difference drive and the impeller rotates, this kind of structure has reduced actuating system's weight, volume and cost at to a great extent, has improved transmission efficiency and stability.

From the two published patent applications mentioned above, there are two main concepts to solve the water flow diversity of washing machines: the method comprises the following steps that firstly, a speed reduction clutch device capable of outputting bidirectional power is designed to realize bidirectional washing in the washing process of the washing machine, and the water flow effect is enhanced; and the second mode is to design a driving motor with bidirectional power output, and respectively drive the impeller and the inner barrel to realize bidirectional washing in the washing process of the washing machine, so that the water flow effect is enhanced. The first mode has the defects of complex structure, difficult installation and complex control method of the speed reduction clutch device, and the second mode has the defect of high cost of the driving motor with bidirectional power output.

In view of the above, how to increase the diversity of the washing methods and switch between the washing methods to select the optimal washing method is the technical problem to be solved by the present application.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a first discovery provides a can realize the speed reduction clutch of multiple washing mode combination, specifically, has adopted following technical scheme:

a speed-reducing clutch device of washing machine is composed of speed-reducing mechanism consisting of braking wheel able to rotate bidirectionally, dewatering axle fixed to said braking wheel, and locking mechanism for locking said dewatering axle.

Furthermore, the locking mechanism comprises a positioning component fixed on the dewatering shaft and locking components arranged at intervals corresponding to the positioning component, the positioning component is provided with a positioning hole, the locking component is provided with a telescopic locking shaft, and the locking shaft extends out of the positioning hole and is inserted into the positioning hole to lock the dewatering shaft.

Furthermore, the positioning component is a positioning ring sleeved on the periphery of the dewatering shaft, and the peripheral wall of the positioning ring is provided with at least one positioning hole or positioning groove;

preferably, the positioning ring peripheral wall is provided with a plurality of positioning holes or positioning grooves.

Further, reduction gears including one-way braking the braking area subassembly of braked wheel, speed reduction clutch still include clutching mechanism and tractor, clutching mechanism including reciprocating motion's clutch cover and stir clutch cover reciprocating motion's fork assembly, the tractor pull braking area subassembly and fork assembly action, the tractor have the first traction stroke that the traction braking area subassembly loosed and pull the braking area subassembly and loosen, the fork assembly stir the second traction stroke of clutch cover to the mesh position.

Further, the brake band assembly comprises a brake band surrounding the periphery of the brake wheel and a brake bar connected with one end of the brake band, and the tractor is connected with the brake bar;

the speed reducing mechanism comprises an input shaft and an input shaft sleeve sleeved outside the input shaft, the clutch mechanism comprises a torque shaft sleeve sleeved on the input shaft and rotating together with the input shaft, and the clutch sleeve is sleeved on the input shaft sleeve and can reciprocate along the axis direction of the input shaft sleeve;

the shifting fork assembly comprises a shifting fork and a shifting fork seat, one end of the shifting fork is limited on the periphery of the clutch sleeve and shifts the clutch sleeve to reciprocate, the middle part of the shifting fork is rotatably arranged on the shifting fork seat to form a lever structure, and the other end of the shifting fork is abutted to the brake rod;

the tractor is in the second traction stroke and pulls the brake rod to drive the brake band to be loosened, the brake rod simultaneously drives the shifting fork to move, and the clutch sleeve moves to be meshed with the torque shaft sleeve.

The brake wheel comprises a brake wheel body with an opening accommodating cavity and a brake wheel shaft fixedly connected with the opening end of the brake body, and a bidirectional rotating bearing is arranged between the brake wheel shaft and the shell.

The second object of the present invention is to provide a washing machine with the above decelerating clutch device, specifically, the following technical solutions are adopted:

the washing machine with the speed reducing clutch device comprises an inner barrel and a wave wheel arranged in the inner barrel, wherein the speed reducing mechanism comprises a wave wheel shaft, the wave wheel shaft is fixedly connected with the wave wheel, and the dewatering shaft is fixedly connected with the inner barrel.

Furthermore, the washing machine also comprises an outer barrel, wherein a water outlet is formed in the outer barrel, and a drain valve for controlling the opening and closing of the water outlet is installed at the bottom of the outer barrel;

the speed reducing mechanism comprises a brake band assembly capable of braking the brake wheel in one direction, the speed reducing clutch device further comprises a clutch mechanism and a tractor, the clutch mechanism comprises a clutch sleeve capable of reciprocating and a shifting fork assembly for shifting the clutch sleeve to reciprocate, and the tractor pulls the brake band assembly, the shifting fork assembly and the drain valve to act;

the tractor is provided with a first traction stroke for releasing the traction brake band assembly and keeping the drain valve closed and a second traction stroke for releasing the traction brake band assembly, shifting the clutch sleeve to the meshing position by the shifting fork assembly and keeping the drain valve open.

The utility model also provides an above-mentioned washing machine's control method, specifically, adopted following technical scheme:

a control method of a washing machine, the washing machine comprising:

controlling the locking mechanism to lock the dewatering shaft, the brake wheel to be in a brake state, and the clutch mechanism to be separated, and controlling the driving motor to act to drive the washing machine impeller to reciprocate through the speed reduction clutch device;

a second washing process of controlling the locking mechanism to unlock the dewatering shaft, controlling the brake wheel to be in a free rotation state, controlling the clutch mechanism to be separated, and controlling the driving motor to act to drive the impeller of the washing machine to rotate in a reciprocating manner and the inner barrel to rotate freely through the speed reduction clutch device;

the control locking mechanism unlocks the dewatering shaft, the brake wheel is in a free rotation state, the control clutch mechanism is meshed, and the control driving motor acts to drive the dewatering process that the impeller and the inner barrel of the washing machine rotate at the same speed and in the same direction through the speed reduction clutch device.

Furthermore, the washing machine controls the tractor to be in an initial state, the brake belt assembly tightly holds the brake wheel to be in a brake state, the clutch mechanism is separated, the drain valve is kept closed, the locking mechanism is controlled to lock the dewatering shaft, the driving motor is controlled to act, the speed reduction clutch device is used for driving the washing machine impeller to run in a reciprocating mode, and a first washing process is carried out;

the washing machine controls the action of the tractor to a first traction stroke, and the tractor pulls the brake band assembly to release: the brake wheel is in a free rotation state, the clutch mechanism is separated, the drain valve is kept closed, the locking mechanism is controlled to unlock the dewatering shaft, the driving motor is controlled to act, the speed reduction clutch device is used for driving the impeller of the washing machine to rotate in a reciprocating mode, the inner barrel freely rotates, and a second washing process is carried out;

the washing machine controls the tractor to move to a second traction stroke, and the tractor pulls the brake band assembly to loosen: the brake wheel is in a free rotation state, the clutch mechanism is engaged, the drain valve is kept opened, the locking mechanism is controlled to unlock the dewatering shaft, the drive motor is controlled to act, the impeller and the inner barrel of the washing machine are driven to rotate at the same speed and in the same direction through the speed reduction clutch device, and the dewatering process is carried out;

preferably, the first washing process and the second washing process may be alternatively or alternately performed in the same washing process.

The utility model discloses a but deceleration clutch's braked wheel bidirectional rotation to the bucket has more rotatory modes in driving, can provide more washing modes in theory: the washing mode that the dewatering shaft is locked by the locking mechanism, the brake wheel is also locked at the same time, and the speed reduction clutch device singly drives the impeller to rotate; the locking mechanism is used to unlock the dewatering shaft, the brake wheel can freely rotate in two directions, and the speed reducing clutch device drives the impeller to rotate and the inner tub to rotate freely.

Therefore, the utility model discloses a speed reduction clutch can provide multiple washing function: the former full-automatic washing mode or the washing mode of hand rubbing can be adopted. Namely, at the time of washing: the washing mode that the impeller rotates and the washing barrel does not rotate can be provided, and the washing mode that the impeller rotates and the washing barrel freely rotates can also be provided. In the whole washing process of the washing machine, various combined washing modes, various water flows and circularly crossed washing modes can be adopted for operation. The washing machine has the advantages that the washing is more sufficient, the clothes are cleaner, the clothes are prevented from being wound, and the use experience of a user of the washing machine is improved.

Drawings

FIG. 1 is a schematic structural view of a deceleration clutch device of a washing machine according to an embodiment of the present invention;

fig. 2 is a schematic view showing an operating state of a locking mechanism of a deceleration clutch device of a washing machine according to an embodiment of the present invention;

fig. 3 is a schematic view of an outer tub bottom installation structure of a washing machine according to an embodiment of the present invention.

Detailed Description

The speed reduction clutch device of the washing machine and the washing machine of the utility model are described in detail with the accompanying drawings as follows:

as shown in fig. 1, 2 and 3, the deceleration clutch device of the washing machine of the present embodiment includes a deceleration mechanism, the deceleration mechanism includes a braking wheel 19 capable of rotating in two directions, a dewatering shaft 9 fixedly connected to the braking wheel 19, and a locking mechanism for locking the dewatering shaft 9.

The brake wheel is in brake state when the existing full-automatic washing machine washes, the deceleration clutch device can only drive the impeller to rotate, and the brake wheel can rotate but only keep one-way rotation under the limitation of the one-way bearing when the washing machine dehydrates, so that the inner barrel can not rotate or the rotation mode is single even if the inner barrel rotates in the washing process, which is not beneficial to forming diversified washing modes.

The brake wheel of the speed reduction clutch device of the embodiment can rotate in two directions, so that the inner barrel is driven to have more rotating modes, and more washing modes can be provided theoretically: the washing mode that the dewatering shaft is locked by the locking mechanism, the brake wheel is also locked at the same time, and the speed reduction clutch device singly drives the impeller to rotate; the locking mechanism is used to unlock the dewatering shaft, the brake wheel can freely rotate in two directions, and the speed reducing clutch device drives the impeller to rotate and the inner tub to rotate freely.

Therefore, the deceleration clutch device of the embodiment can provide various washing functions: the former full-automatic washing mode or the washing mode of hand rubbing can be adopted. Namely, at the time of washing: the washing mode that the impeller rotates and the washing barrel does not rotate can be provided, and the washing mode that the impeller rotates and the washing barrel freely rotates can also be provided. In the whole washing process of the washing machine, various combined washing modes, various water flows and circularly crossed washing modes can be adopted for operation. The washing machine has the advantages that the washing is more sufficient, the clothes are cleaner, the clothes are prevented from being wound, and the use experience of a user of the washing machine is improved.

As shown in fig. 2, the locking mechanism of the embodiment includes a positioning member 8 fixed on the dehydrating shaft 9 and locking members 7 spaced corresponding to the positioning member 8, the positioning member 8 has a positioning hole 20, the locking member 7 has a retractable locking shaft 21, and the locking shaft 21 is extended and inserted into the positioning hole 20 to lock the dehydrating shaft 9.

The existing brake band can only brake the brake wheel in one direction, the other direction of the brake wheel is limited by the one-way bearing, the existing brake wheel is changed from one-way rotation to two-way rotation in the embodiment, the dewatering shaft connected with the brake wheel is locked by the locking mechanism, so that the brake wheel is locked, the locking of the dewatering shaft is released by the locking mechanism, and the brake wheel can rotate freely.

Specifically, the positioning component 8 described in this embodiment is a positioning ring sleeved on the periphery of the dewatering shaft, and at least one positioning hole 20 or positioning groove is provided on the peripheral wall of the positioning ring.

Preferably, the positioning ring peripheral wall on set up a plurality of locating holes 20 or constant head tank, a plurality of locating holes 20 or constant head tank along the periphery circumference evenly distributed of positioning ring.

Further, the speed reducing mechanism of the embodiment comprises a braking belt assembly capable of braking the braking wheel in a single direction, the braking belt assembly of the embodiment can brake the braking wheel in a single direction, and the braking wheel can be braked in two directions by matching with the locking mechanism.

The speed reduction clutch device of this embodiment still include clutch mechanism and tractor 24, clutch mechanism include but reciprocating motion's clutch sleeve 16 and stir clutch sleeve 16 reciprocating motion's fork assembly, tractor 24 pull brake band subassembly and fork assembly action, tractor 24 have the first traction stroke that the brake band subassembly of traction loosens and pull brake band subassembly and loosen, the fork assembly stir clutch sleeve 16 to the second traction stroke of engaging position.

The action of the brake band assembly and the fork assembly is realized by the uniform tractor 24, and the tractor 24 of the embodiment at least has two strokes so as to meet the action requirements of the brake band assembly 12 and the fork assembly and provide more washing modes.

Specifically, the brake band assembly of the present embodiment includes a brake band 12 surrounding the outer circumference of the brake wheel 8 and a brake lever 6 connected to one end of the brake band, and the retractor 24 is connected to the brake lever 6.

The speed reducing mechanism comprises an input shaft 1 and an input shaft sleeve 3 sleeved outside the input shaft 1, the clutch mechanism comprises a torque shaft sleeve 17 sleeved on the input shaft 1 and rotating together with the input shaft, and the clutch sleeve 16 is sleeved on the input shaft sleeve 3 and can reciprocate along the axis direction of the input shaft.

Furthermore, the outer circumference of the input shaft 1 is provided with an external spline, the torque sleeve 17 is provided with an internal spline, the internal spline of the torque sleeve 17 is embedded with the external spline of the input shaft 1, and the torque sleeve 17 rotates synchronously with the input shaft 1.

The clutch sleeve 16 of the present embodiment is provided with clutch sleeve engaging teeth at one end thereof close to the torque sleeve 17, the torque sleeve 17 is provided with torque sleeve engaging teeth at one end thereof close to the clutch sleeve 16, the clutch sleeve 16 moves to the torque sleeve 17, the clutch sleeve engaging teeth are engaged with the torque sleeve engaging teeth, and the clutch mechanism is in an engaged state. The clutch sleeve meshing teeth of this embodiment are circumferentially and evenly distributed, and the teeth lower edge is the skewed tooth, and the skewed tooth angle is 0 ~ 15 degree. In the installed state, the direction of the helical teeth is from low to high in the dewatering direction. The clutch sleeve meshing teeth of the embodiment are uniformly distributed on the periphery, the upper edge of each tooth is provided with helical teeth, the helical teeth correspond to the clutch sleeve meshing teeth, and the angle of the helical teeth of the torque shaft sleeve meshing teeth is 0-15 degrees. In the installed state, the direction of the helical teeth is from high to low in the dewatering direction.

The input shaft 1 of this embodiment is sleeved with a motor lock nut 2 for fixedly connecting the input shaft with a rotor of a driving motor, and a buffer pad 18 is arranged on one end face of the torque shaft sleeve, which is close to the driving motor.

The shifting fork assembly comprises a shifting fork 4 and a shifting fork seat 14, one end of the shifting fork 4 is limited on the periphery of a clutch sleeve 16 to shift the clutch sleeve to reciprocate, the middle part of the shifting fork 4 is rotatably arranged on the shifting fork seat to form a lever structure, and the other end of the shifting fork 4 is abutted to the brake rod 6; the tractor 24 is in the second traction stroke to pull the brake rod to drive the brake band to be released, the brake rod simultaneously drives the shifting fork to move, and the clutch sleeve 16 moves to be meshed with the torque sleeve 17. The shifting fork is also provided with a shifting fork torsion spring 5 for elastic resetting of the shifting fork.

The brake lever 6 of the present embodiment controls both the brake band 12 and the clutch sleeve 16 (washing, spin-off clutch changeover). When the tractor 24 is not operated, the brake band 12 tightly holds the brake wheel, the shifting fork 4 is not operated, and the clutch sleeve 16 is not operated and is positioned at the uppermost end. When the tractor 24 is positioned at a first stroke, a part of the brake band 12 is pulled, a small gap is reserved between the brake band 12 and the brake wheel 19, the clutch sleeve 16 does not act, the shifting fork 4 does not act, and the end part of the shifting fork 4 is contacted with and presses the clutch sleeve 16; when the tractor is in the second stroke 24, the brake band 12 is completely pulled, the brake band 12 and the brake wheel 19 have larger clearance, the shifting fork 4 moves, the clutch sleeve 16 moves downwards, and the shifting fork 4 is separated from the clutch sleeve 16.

The decelerating clutch device of the embodiment further comprises a shell with an inner cavity, the brake wheel 19 is arranged in the inner cavity of the shell, the brake wheel comprises a brake wheel body with an opening accommodating cavity and a brake wheel shaft fixedly connected with the opening end of the brake body, and a bidirectional rotating bearing is arranged between the brake wheel shaft and the shell. Thus, the brake wheel of the present embodiment can perform bidirectional rotation.

The shell of this embodiment includes upper end shell 11 and lower extreme shell 13, and both are connected and enclose into interior cavity, braked wheel 19 set up in the interior cavity of lower extreme shell 13, set up the braking band installing port on the perisporium of lower extreme shell 13, one side of the fixed installing port of one end of braking band, the other end enters into the interior cavity of lower extreme shell by the braking band installing port and encircles the braked wheel and stretch out by the braking band installing port and link to each other with the brake lever, the brake lever pass through rotatable the installation on the lower extreme shell of brake lever pivot, the brake lever pivot on set up the reset torsion spring that is used for the brake lever to reset.

The yoke 14 of this embodiment is fixedly mounted to the bottom end cap of the lower housing.

The positioning component 8 of the embodiment is arranged on the dewatering shaft in the upper end shell 11, the locking component 7 is correspondingly arranged on the outer wall of the upper end shell, and the locking shaft passing port is formed on the upper end shell corresponding to the locking component 7.

The input shaft sleeve 3 of this embodiment is sleeved with a clutch pressure spring for elastically restoring and engaging the clutch sleeve 16, and the clutch pressure spring is disposed between the clutch sleeve 16 and the bottom end surface of the lower end housing 13.

As shown in fig. 3, the present embodiment also provides a washing machine having the speed reduction clutch device, which includes an inner tub and a pulsator disposed in the inner tub, wherein the speed reduction mechanism includes a pulsator shaft, the pulsator shaft is fixedly connected to the pulsator, and the dewatering shaft is fixedly connected to the inner tub.

The washing machine of the embodiment also comprises an outer barrel 22, wherein the outer barrel 22 is provided with a water outlet, and the bottom of the outer barrel is provided with a drain valve 26 for controlling the opening and closing of the water outlet; the speed reducing mechanism comprises a brake band assembly capable of braking the brake wheel in one direction, the speed reducing clutch device further comprises a clutch mechanism and a tractor, the clutch mechanism comprises a clutch sleeve capable of reciprocating and a shifting fork assembly for shifting the clutch sleeve to reciprocate, and the tractor pulls the brake band assembly, the shifting fork assembly and the drain valve to act; the tractor is provided with a first traction stroke for releasing the traction brake band assembly and keeping the drain valve closed and a second traction stroke for releasing the traction brake band assembly, shifting the clutch sleeve to the meshing position by the shifting fork assembly and keeping the drain valve open.

The drain valve of this embodiment has a drain valve pull rod to which the retractor 24 is attached. The drain valve railing and the tractor 24 are connected through the extension spring, the extension spring is extended when the tractor 24 carries out a first traction stroke, the drain valve pull rod does not act, and the drain valve keeps a closed state.

The present embodiment also provides a control method of the washing machine, the washing machine including:

a first washing process of controlling the locking mechanism to lock the dewatering shaft, the brake wheel to be in a brake state, separating the clutch mechanism, controlling the driving motor 23 to act and driving the washing machine impeller to reciprocate through the speed reduction clutch device;

a second washing process of controlling the locking mechanism to unlock the dewatering shaft, the brake wheel to be in a free rotation state, controlling the clutch mechanism to be separated, and controlling the driving motor 23 to act to drive the washing machine impeller to rotate in a reciprocating manner and the inner barrel to rotate freely through the speed reduction clutch device;

the control locking mechanism unlocks the dewatering shaft, the brake wheel is in a free rotation state, the control clutch mechanism is meshed, and the control driving motor 23 acts to drive the dewatering process that the impeller and the inner barrel of the washing machine rotate at the same speed and the same direction through the speed reduction clutch device.

In the washing process of the washing machine of the embodiment, various washing programs can be set: the washing machine comprises a common full-automatic washing state and a hand rubbing washing state, and the two can be used alternately in any time period and any time according to requirements.

Ordinary full-automatic washing state: the locking mechanism acts, the locking shaft 21 enters the positioning hole 20 of the positioning component 8, the dewatering shaft does not act (the inner barrel does not rotate), and the impeller rotates left and right under the driving of the driving motor. The retractor 24 does not operate (neither the fork nor the clutch sleeve).

Washing state by hand: the locking mechanism is reset, the retractor 24 is in the first stroke, the brake band 12 is partially released, there is a small clearance between the brake band 12 and the brake wheel 19, the fork 4 is not actuated, and the clutch sleeve 16 is not actuated. The driving motor drives the input shaft, the gear train and the impeller shaft, and the impeller rotates left and right.

And (3) dehydration state: the tractor runs the second stroke, the shifting fork 4 acts for a larger stroke, the shifting fork 4 is separated from the clutch sleeve 16 (the shifting fork is not contacted with the clutch sleeve), the clutch sleeve meshing teeth of the clutch sleeve 16 are meshed with the torque sleeve meshing teeth of the torque sleeve 16, and the inner barrel, the impeller and other components are driven by the motor to perform dehydration operation.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention still fall within the scope of the present invention.

Claims

1. The speed reducing clutch device for washing machine includes one speed reducing mechanism comprising one braking wheel capable of rotating bidirectionally, one dewatering shaft connected to the braking wheel, and one locking mechanism for locking the dewatering shaft.

2. The deceleration clutch assembly according to claim 1, wherein the locking mechanism includes a positioning member fixed to the dehydrating shaft and locking members spaced from the positioning member, the positioning member having a positioning hole, the locking member having a locking shaft which is retractable and is inserted into the positioning hole to lock the dehydrating shaft.

3. The deceleration clutch assembly according to claim 2, wherein the positioning member is a positioning ring fitted around the periphery of the dehydrating shaft, and the positioning ring has at least one positioning hole or one positioning groove formed in the peripheral wall thereof.

4. The deceleration clutch assembly according to claim 3, wherein a plurality of positioning holes or positioning grooves are formed in the outer peripheral wall of the positioning ring.

5. The deceleration clutch device according to any one of claims 1 to 4, wherein the deceleration mechanism includes a brake band assembly for unidirectionally braking the brake wheel, the deceleration clutch device further includes a clutch mechanism and a tractor, the clutch mechanism includes a clutch sleeve capable of reciprocating and a fork assembly for shifting the clutch sleeve to reciprocate, the tractor pulls the brake band assembly and the fork assembly to move, and the tractor has a first pulling stroke for releasing the traction brake band assembly and a second pulling stroke for releasing the traction brake band assembly and shifting the clutch sleeve to an engagement position by the fork assembly.

6. The deceleration clutch assembly according to claim 5, wherein said brake band assembly includes a brake band surrounding an outer periphery of said brake wheel and a brake lever connected to one end of said brake band, said retractor being connected to said brake lever;

7. The deceleration clutch assembly according to any one of claims 1 to 4, further comprising a housing having an internal chamber, wherein the brake wheel is disposed in the internal chamber of the housing, wherein the brake wheel comprises a brake wheel body having an open receiving chamber and a brake wheel shaft fixedly connected to an open end of the brake body, and wherein a bidirectional rotary bearing is disposed between the brake wheel shaft and the housing.

8. A washing machine having the deceleration clutch device according to any one of claims 1 to 7, comprising an inner tub and a pulsator disposed in the inner tub, wherein the deceleration mechanism comprises a pulsator shaft, the pulsator shaft is fixedly connected to the pulsator, and the dehydrating shaft is fixedly connected to the inner tub.

9. The washing machine as claimed in claim 8, further comprising an outer tub having a water outlet, the bottom of the outer tub being provided with a water discharge valve for controlling the opening and closing of the water outlet;