CN113062085A - Speed reduction clutch device of washing machine, washing machine and control method of washing machine - Google Patents
Speed reduction clutch device of washing machine, washing machine and control method of washing machine Download PDFInfo
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- CN113062085A CN113062085A CN201911288608.8A CN201911288608A CN113062085A CN 113062085 A CN113062085 A CN 113062085A CN 201911288608 A CN201911288608 A CN 201911288608A CN 113062085 A CN113062085 A CN 113062085A
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- 238000005406 washing Methods 0.000 title claims abstract description 258
- 230000009467 reduction Effects 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 230000018044 dehydration Effects 0.000 claims description 13
- 238000006297 dehydration reaction Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 3
- 230000002457 bidirectional effect Effects 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/30—Driving arrangements
- D06F37/40—Driving arrangements for driving the receptacle and an agitator or impeller, e.g. alternatively
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F17/00—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
- D06F17/06—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid by rotary impellers
- D06F17/10—Impellers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/30—Driving arrangements
- D06F37/304—Arrangements or adaptations of electric motors
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The invention provides a speed reduction clutch device of a washing machine, the washing machine and a control method thereof. The brake wheel of the speed reduction clutch device 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 input shaft sleeve is locked through 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 input shaft sleeve is unlocked through the locking mechanism, the brake wheel can freely rotate in two directions along with the input shaft sleeve, and the speed reduction clutch device singly drives the impeller to rotate and the inner barrel to freely rotate; therefore, various combined washing modes can be adopted, washing is more sufficient, clothes are cleaner, and user experience is improved.
Description
Technical Field
The invention relates to the technical field of washing equipment, in particular to a speed reduction clutch device of a washing machine, the washing machine and a control method of the 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, a wave wheel 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 wave wheel 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. The washing machine is connected with the inner barrel shaft and the impeller shaft through the two rotors respectively, and the inner barrel and the impeller are driven to rotate through the double rotors respectively, so that the structure reduces the weight, the volume and the cost of a driving system to a great extent, and improves the transmission efficiency and the 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.
Disclosure of Invention
The invention provides a speed reduction clutch device capable of realizing combination of multiple washing modes, and particularly adopts the 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 and input axle sleeve, and locking mechanism for locking said input axle sleeve.
Furthermore, the speed reduction clutch device comprises a clutch mechanism, the clutch mechanism comprises a clutch sleeve which is sleeved on the input shaft sleeve and can reciprocate along the axis direction of the input shaft sleeve, the locking mechanism comprises a washing rack which is fixedly sleeved outside the input shaft sleeve, and the clutch sleeve and the washing rack are meshed and locked with the input shaft sleeve through meshing teeth.
Furthermore, speed reduction clutch includes the casing that has interior cavity, the braked wheel set up in the interior cavity of casing has the casing entry that is used for the input axle sleeve to pass on the casing, washing rack including fix on the casing and be located the annular body of casing entry periphery, set up washing meshing tooth on the annular body, the clutch axle on be close to the one end setting meshing tooth of washing rack, the last meshing tooth of clutch axle sleeve with the washing meshing tooth meshing locking of washing rack the input axle sleeve.
Furthermore, the brake wheel comprises an accommodating cavity, a first connecting port and a second connecting port are arranged at two ends of the brake wheel, the dehydration shaft is fixedly connected with the first connecting port, and the input shaft sleeve is fixedly connected with the second connecting port;
preferably, the brake wheel comprises a cylindrical body and a necking end which is opened at one end of the body and is shrunk inwards in the radial direction, the first connecting port is arranged at the necking end, and the second connecting port is opened at the other end of the cylindrical body; the dewatering shaft is a sleeve with a certain length, one end of the sleeve extends into the first connecting port and is fixedly connected with the first connecting port, the input shaft sleeve comprises a sleeve and a sleeve disc fixed at one end of the sleeve, and the sleeve disc is covered on the second connecting port and is fixedly connected with the second connecting port.
Furthermore, the speed reducing mechanism comprises an input shaft, and the clutch mechanism comprises a shifting fork assembly for shifting the clutch sleeve to reciprocate and a torque shaft sleeve which is sleeved on the input shaft and rotates together with the input shaft;
the speed reduction clutch device comprises a tractor, the tractor is connected with a shifting fork assembly to pull the shifting fork assembly to move to stir a clutch sleeve to reciprocate, the tractor pulls the shifting fork assembly to be in an initial state, the clutch sleeve is meshed with a washing rack to be fixed, the tractor is provided with a first traction stroke for separating the shifting fork assembly from the washing rack and not meshed with a torque shaft sleeve to be fixed and a second traction stroke for separating the shifting fork assembly from the washing rack and meshing with the torque shaft sleeve to be fixed.
Further, the shift fork subassembly include shift fork arm-drag, shift fork arm-drag pivot, shift fork and shift fork seat, the rotatable installation of shift fork arm-drag in the fixed shift fork arm-drag pivot that sets up of shift fork arm-drag, the tractor connect the shift fork arm-drag and drive the shift fork arm-drag and rotate, its reciprocating motion is stirred at the separation and reunion cover periphery to the one end of shift fork is spacing, the rotatable installation in middle part of shift fork forms lever structure on the shift fork seat, the other end of shift fork with the shift fork arm-drag looks butt.
The second purpose of the present invention is to provide a washing machine with the above speed reduction 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.
The water outlet is arranged on the outer barrel, and the bottom of the outer barrel is provided with a drain valve for controlling the opening and closing of the water outlet;
the tractor is provided with a first traction stroke for separating the traction shifting fork assembly from the washing rack and keeping the drain valve closed without being meshed and fixed with the torque shaft sleeve, and a second traction stroke for separating the traction shifting fork assembly from the washing rack, keeping the drain valve opened and keeping the torque shaft sleeve meshed and fixed.
The third invention of the present invention is to provide a control method of the above washing machine, specifically, the following technical solutions are adopted:
a control method of a washing machine including a driving motor for driving a speed reduction clutch device, the control method comprising:
the washing machine controls the clutch sleeve to be meshed and fixed with the washing rack, the brake wheel is in a brake state, and the drive motor is controlled to act to drive the washing machine impeller to rotate in a reciprocating manner through the speed reduction clutch device so as to carry out a first washing process;
the clutch sleeve is controlled to be separated from the washing rack and not meshed and fixed with the torque shaft sleeve, the brake wheel is in a free rotation state, the drive 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 is free to rotate, and a second washing process is carried out;
the control clutch sleeve is separated from the washing tooth frame and meshed and fixed with the torque shaft sleeve, the brake wheel is synchronously linked with the input shaft, and the drive motor is controlled to act to drive the dehydration 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 clutch sleeve is meshed and fixed with the washing rack, the brake wheel is in a braking state, the drain valve is kept closed, and the driving motor is controlled to act to drive the washing machine impeller to rotate in a reciprocating manner through the speed reduction clutch device so as to carry out a first washing process;
the washing machine controls the tractor to move to a first traction stroke, the tractor pulls the shifting fork assembly to move to pull the clutch sleeve to be separated from the washing rack and not to be meshed and fixed with the torque shaft sleeve, the drain valve is kept closed, the drive motor is controlled to move to drive the washing machine impeller to rotate in a reciprocating mode through the speed reduction clutch device, 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, the tractor pulls the shifting fork assembly to move to pull the clutch sleeve to be separated from the washing rack and to be meshed and fixed with the torque shaft sleeve, the drain valve is kept opened, and the drive motor is controlled to move to drive the washing machine impeller and the inner barrel to run at the same speed and in the same direction through the speed reduction clutch device so as to carry out a dehydration process;
preferably, the first washing process and the second washing process may be alternatively or alternately performed in the same washing process.
Furthermore, the washing machine controls the tractor to be in an initial state, the clutch sleeve is fixed with the torque shaft sleeve, the drain valve is kept opened, and the driving motor is controlled to act to drive the impeller and the inner barrel of the washing machine to rotate at the same speed and in the same direction through the speed reduction clutch device so as to carry out a dehydration process;
the washing machine controls the tractor to move to a first traction stroke, the tractor pulls the shifting fork assembly to move to pull the clutch sleeve to be separated from the torque shaft sleeve and not to be meshed and fixed with the washing rack, the drain valve is kept closed, the drive motor is controlled to move to drive the washing machine impeller to rotate in a reciprocating mode through the speed reduction clutch device, the inner barrel freely rotates, and a first washing process is carried out;
the washing machine controls the tractor to move to a second traction stroke, the tractor pulls the shifting fork assembly to move to pull the clutch sleeve to be separated from the torque shaft sleeve and meshed with the washing rack, the brake wheel is in a brake state, the inner barrel is locked, the drain valve is kept closed, and the drive motor is controlled to move to drive the washing machine impeller to reciprocate through the speed reduction clutch device to perform a second washing process; preferably, the first washing process and the second washing process may be alternatively or alternately performed in the same washing process.
The brake wheel of the speed reduction clutch device 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 input shaft sleeve is locked through 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 input shaft sleeve is unlocked through the locking mechanism, 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, the deceleration clutch device of the invention 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.
Drawings
FIG. 1 is a schematic view illustrating a structure of a deceleration clutch apparatus of a washing machine according to an embodiment of the present invention;
FIG. 2 is a sectional view of a deceleration clutch apparatus of a washing machine according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a shift fork arm of the reduction clutch apparatus of the washing machine according to the embodiment of the present invention;
FIG. 4 is a schematic structural view of a washing rack of the deceleration clutch device of the washing machine according to the embodiment of the present invention;
FIG. 5 is a schematic structural view of a clutch sleeve of the deceleration clutch device of the washing machine according to the embodiment of the present invention;
FIG. 6 is a schematic structural view of a torque bushing of the reduction clutch apparatus of the washing machine according to the embodiment of the present invention;
FIG. 7 is a schematic view of an outer tub bottom installation structure of the washing machine according to the embodiment of the present invention.
Detailed Description
The speed reduction clutch device of a washing machine, the washing machine and the control method thereof according to the present invention will be described in detail with reference to the accompanying drawings:
as shown in fig. 1 to 7, the present embodiment provides a deceleration clutch device of a washing machine, which comprises a deceleration mechanism, wherein the deceleration mechanism comprises a braking wheel 19 capable of rotating in two directions, a dehydration shaft 9 and an input shaft sleeve 3 fixedly connected with the braking wheel 19, and a locking mechanism for locking the input shaft sleeve 3.
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 input shaft sleeve 3 is locked through the locking mechanism, the brake wheel 19 is also locked at the same time, and the speed reduction clutch device singly drives the impeller to rotate; the input shaft sleeve 3 is unlocked by the locking mechanism, the brake wheel 19 can freely rotate in two directions, and the speed reducing clutch device singly drives the impeller to rotate and the inner barrel freely rotates.
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.
The existing brake belt can only brake the brake wheel in one direction, the other direction of the brake wheel is limited by a one-way bearing, the brake wheel 19 of the embodiment can rotate in two directions, and meanwhile, in order to ensure the realization of the washing mode of the rotation of the single impeller, the brake wheel 19 also needs to be braked in two directions, therefore, the speed reduction clutch device of the embodiment comprises a clutch mechanism, the clutch mechanism comprises a clutch sleeve 16 which is sleeved on the input shaft sleeve 3 and can reciprocate along the axis direction of the input shaft sleeve, the locking mechanism comprises a washing rack 12 which is fixedly sleeved outside the input shaft sleeve 3, and the clutch sleeve 16 and the washing rack 12 are meshed and locked with the input shaft sleeve 3 through meshing teeth. The reduction clutch device of the present embodiment locks the input shaft sleeve 3 by means of the fixedly arranged washing rack 12 which can be brought into engagement with the clutch sleeve 16, according to the structural characteristics of the clutch sleeve 16 of the clutch mechanism in a reciprocating manner, and at the same time, the brake wheel 19 is braked.
In order to realize the fixed setting of the washing rack 12, the decelerating clutch device of the embodiment comprises a housing with an inner cavity, the brake wheel is arranged in the inner cavity of the housing, the housing is provided with a housing inlet for the input shaft sleeve to pass through, the washing rack 12 comprises an annular body which is fixed on the housing and is positioned at the periphery of the housing inlet, washing engaging teeth are arranged on the annular body, one end of the clutch shaft sleeve 16, which is close to the washing rack, is provided with upper engaging teeth, and the upper engaging teeth of the clutch shaft sleeve 16 are engaged and locked with the washing engaging teeth of the washing rack 12 on the input shaft sleeve 3.
Meanwhile, the brake wheel 19 of the embodiment needs to be fixedly connected with the dehydration shaft 9 and the input shaft sleeve 3 respectively, and the brake wheel 19 comprises a speed reduction wheel train with an accommodating cavity inside, and a speed reduction mechanism is arranged in the accommodating cavity; the two ends of the brake wheel 19 are provided with a first connecting port and a second connecting port, the dewatering shaft 9 is fixedly connected with the first connecting port, and the input shaft sleeve 3 is fixedly connected with the second connecting port.
Preferably, the brake wheel 19 comprises a cylindrical body and a necking end which is opened at one end of the body and is contracted inwards in the radial direction, the first connecting port is arranged at the necking end, and the second connecting port is opened at the other end of the cylindrical body; the dewatering shaft 9 is a sleeve with a certain length, one end of the sleeve extends into the first connecting port to be fixedly connected with the first connecting port, the input shaft sleeve 3 comprises a sleeve and a sleeve disc fixed at one end of the sleeve, and the sleeve disc is covered on the second connecting port and is fixedly connected with the second connecting port.
The reduction gears described in this embodiment include input shaft 1, clutch mechanism includes that stir the clutch cover 16 reciprocating's fork assembly and cover and establish the torque axle sleeve 17 of establishing with it and rotating jointly on input shaft 1.
The speed reduction clutch device comprises a tractor 24, the tractor 24 is connected with a shifting fork assembly to pull the shifting fork assembly to move to shift a clutch sleeve to reciprocate, the tractor 24 pulls the shifting fork assembly to be in an initial state, the clutch sleeve 16 is meshed with the washing rack 12 to be fixed, the tractor 24 is provided with a first traction stroke for separating the pulling shifting fork assembly from the washing rack 12 and not meshed with the torque shaft sleeve 17 to be fixed and a second traction stroke for separating the pulling shifting fork assembly from the washing rack 12 and meshing with the torque shaft sleeve 17 to be fixed.
Further, the shift fork subassembly include shift fork arm-drag 6, shift fork arm-drag pivot 20, shift fork 4 and shifting fork seat 14, shift fork arm-drag 6 rotatable install on the fixed shift fork arm-drag pivot 20 that sets up, tractor 24 connect shift fork arm-drag 6 to drive shift fork arm-drag 6 and rotate, its reciprocating motion is stirred at the separation and reunion cover periphery to the one end of shift fork 4 is spacing, the rotatable formation lever structure of installing on shifting fork seat 14 in the middle part of shift fork 4, the other end of shift fork 4 with shift fork arm-drag looks butt 6.
This embodiment draws the clutch sleeve 16 back and forth between the wash rack 12 and the torque sleeve 17 by means of the retractor 24: locking the input shaft sleeve 3 in engagement with the washing rack 12, thus locking the brake wheel 19; engaging the torque sleeve 17, the input sleeve rotates synchronously with the input shaft 1.
The outer periphery of the input shaft 1 is provided with an external spline, the torque shaft sleeve 17 is provided with an internal spline, the internal spline of the torque shaft sleeve 17 is embedded with the external spline of the input shaft 1, and the torque shaft 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 shift fork arm 6 of this embodiment has a coupling portion 601, and the coupling portion 601 is coupled to the retractor 24. The shift fork arm 6 has a shift fork paddle 602, and the shift fork paddle 602 moves toward the shift fork 4 as the brake arm 6 rotates. The tractor 24 is in a first traction stroke, a certain interval is formed between the shifting fork pull sheet 602 and the shifting fork 4, the tractor is in a second traction stroke, and the shifting fork pull sheet 602 is stopped against the shifting fork 4 to trigger the shifting fork 4 to rotate.
In order to realize that the clutch sleeve 16 is not meshed with the torque shaft sleeve 17 in the first stroke of the shifting fork pull arm 6 of the embodiment, and the clutch sleeve 16 is meshed with the torque shaft sleeve 17 in the second stroke, the embodiment can be realized by simply limiting the distance between the shifting fork pull piece 602 and the shifting fork 4, and can also be realized by that the meshing stroke between the clutch sleeve 16 and the torque shaft sleeve 17 is larger than the distance between the shifting fork pull piece 602 and the shifting fork 4.
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 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 21 is arranged between the brake wheel shaft and the shell, so that the brake wheel 19 of the embodiment can rotate bidirectionally.
The shell of this embodiment includes upper end shell 11 and lower extreme shell 13, and both connect and enclose into interior cavity, braked wheel 19 set up in the interior cavity of lower extreme shell 13, shift fork arm 6 pass through the rotatable installation of shift fork arm-drag pivot 20 on lower extreme shell 13.
The fork 14 of this embodiment is fixedly mounted on the bottom end cap of the lower end housing 13.
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.
The shift fork arm 6 of this embodiment has a shift fork arm stopper that ends when the shift fork arm elastically resets and abuts on the lower end shell 13 to define the reset position.
As shown in fig. 7, 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.
Further, the washing machine of the embodiment further comprises an outer barrel 22, the outer barrel 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 tractor 24 has a first traction stroke for separating the traction fork assembly from the washing rack and keeping the drainage valve 26 closed without being meshed and fixed with the torque shaft sleeve, and a second traction stroke for separating the traction fork assembly from the washing rack and keeping the drainage valve 26 open with the torque shaft sleeve.
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 including a driving motor 23 for driving a deceleration clutch device, the control method including:
the washing machine controls the clutch sleeve to be meshed and fixed with the washing rack, the brake wheel is in a brake state, and the drive motor is controlled to act to drive the washing machine impeller to rotate in a reciprocating manner through the speed reduction clutch device so as to carry out a first washing process;
the clutch sleeve is controlled to be separated from the washing rack and not meshed and fixed with the torque shaft sleeve, the brake wheel is in a free rotation state, the drive 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 is free to rotate, and a second washing process is carried out;
the control clutch sleeve is separated from the washing tooth frame and meshed and fixed with the torque shaft sleeve, the brake wheel is synchronously linked with the input shaft, and the drive motor is controlled to act to drive the dehydration 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 clutch sleeve is meshed and fixed with the washing rack, the brake wheel is in a braking state, the drain valve is kept closed, and the driving motor is controlled to act to drive the washing machine impeller to rotate in a reciprocating manner through the speed reduction clutch device so as to carry out a first washing process;
the washing machine controls the tractor to move to a first traction stroke, the tractor pulls the shifting fork assembly to move to pull the clutch sleeve to be separated from the washing rack and not to be meshed and fixed with the torque shaft sleeve, the drain valve is kept closed, the drive motor is controlled to move to drive the washing machine impeller to rotate in a reciprocating mode through the speed reduction clutch device, 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, the tractor pulls the shifting fork assembly to move to pull the clutch sleeve to be separated from the washing rack and to be meshed and fixed with the torque shaft sleeve, the drain valve is kept opened, and the driving motor is controlled to move to drive the washing machine impeller and the inner barrel to run at the same speed and in the same direction through the speed reduction clutch device so as to carry out the dehydration process.
Preferably, the first washing process and the second washing process may be alternatively or alternately performed in the same washing process.
Or the washing machine controls the tractor to be in an initial state, the clutch sleeve is fixed with the torque shaft sleeve, the drain valve is kept opened, and the drive motor is controlled to act to drive the impeller and the inner barrel of the washing machine to rotate at the same speed and in the same direction through the speed reduction clutch device so as to carry out a dehydration process;
the washing machine controls the tractor to move to a first traction stroke, the tractor pulls the shifting fork assembly to move to pull the clutch sleeve to be separated from the torque shaft sleeve and not to be meshed and fixed with the washing rack, the drain valve is kept closed, the drive motor is controlled to move to drive the washing machine impeller to rotate in a reciprocating mode through the speed reduction clutch device, the inner barrel freely rotates, and a first washing process is carried out;
the washing machine controls the tractor to move to a second traction stroke, the tractor pulls the shifting fork assembly to move to pull the clutch sleeve to be separated from the torque shaft sleeve and meshed with the washing rack, the brake wheel is in a brake state, the inner barrel is locked, the drain valve is kept closed, and the drive motor is controlled to move to drive the washing machine impeller to rotate in a reciprocating mode through the speed reduction clutch device to perform a second washing process.
Preferably, the first washing process and the second washing process may be alternatively or alternately performed in the same washing process.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The speed reducing clutch device for washing machine includes one speed reducing mechanism, which includes one braking wheel capable of rotating bidirectionally, one dewatering shaft and one input shaft sleeve connected to the braking wheel, and one locking mechanism for locking the input shaft sleeve.
2. The deceleration clutch device according to claim 1, comprising a clutch mechanism, wherein the clutch mechanism comprises a clutch sleeve sleeved on the input shaft sleeve and capable of reciprocating along the axial direction thereof, the locking mechanism comprises a washing rack fixedly sleeved outside the input shaft sleeve, and the clutch sleeve and the washing rack are engaged with each other through engaging teeth to lock the input shaft sleeve.
3. The deceleration clutch assembly according to claim 2, including a housing having an interior chamber, said brake wheel being disposed within said interior chamber of said housing, said housing having a housing inlet for passage of said input sleeve therethrough, said wash rack including an annular body secured to said housing and disposed about said housing inlet, said annular body having wash engaging teeth, said clutch sleeve having upper engaging teeth disposed at an end thereof adjacent said wash rack, said upper engaging teeth of said clutch sleeve engaging said wash engaging teeth of said wash rack to lock said input sleeve.
4. The deceleration clutch assembly according to any one of claims 1 to 3, wherein the brake drum includes a housing chamber formed therein, the brake drum has a first connection port and a second connection port formed at both ends thereof, the dehydrating shaft is fixedly connected to the first connection port, and the input hub is fixedly connected to the second connection port;
preferably, the brake wheel comprises a cylindrical body and a necking end which is opened at one end of the body and is shrunk inwards in the radial direction, the first connecting port is arranged at the necking end, and the second connecting port is opened at the other end of the cylindrical body; the dewatering shaft is a sleeve with a certain length, one end of the sleeve extends into the first connecting port and is fixedly connected with the first connecting port, the input shaft sleeve comprises a sleeve and a sleeve disc fixed at one end of the sleeve, and the sleeve disc is covered on the second connecting port and is fixedly connected with the second connecting port.
5. The deceleration clutch device according to any one of claims 1 to 3, wherein the deceleration mechanism comprises an input shaft, and the clutch mechanism comprises a shifting fork assembly for shifting the clutch sleeve to reciprocate and a torque sleeve which is sleeved on the input shaft and rotates together with the input shaft;
the speed reduction clutch device comprises a tractor, the tractor is connected with a shifting fork assembly to pull the shifting fork assembly to move to stir a clutch sleeve to reciprocate, the tractor pulls the shifting fork assembly to be in an initial state, the clutch sleeve is meshed and fixed with the washing rack, and the tractor has a first traction stroke for separating the pulling shifting fork assembly from the washing rack and not meshed and fixed with the torque shaft sleeve and a second traction stroke for separating the pulling shifting fork assembly from the washing rack and meshed and fixed with the torque shaft sleeve;
preferably, the shift fork subassembly include shift fork arm-drag, shift fork arm-drag pivot, shift fork and shift fork seat, the rotatable installation of shift fork arm-drag in the fixed shift fork arm-drag pivot that sets up of shift fork arm-drag, the tractor connect the shift fork arm-drag and drive the shift fork arm-drag and rotate, its reciprocating motion is stirred to the spacing periphery of separation and reunion cover in one end of shift fork, the rotatable installation in middle part of shift fork forms lever structure on the shift fork seat, the other end of shift fork with the shift fork arm-drag looks butt.
6. A washing machine having the deceleration clutch device according to any one of claims 1 to 5, 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.
7. The washing machine as claimed in claim 6, 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;
the tractor is provided with a first traction stroke for separating the traction shifting fork assembly from the washing rack and keeping the drain valve closed without being meshed and fixed with the torque shaft sleeve, and a second traction stroke for separating the traction shifting fork assembly from the washing rack, keeping the drain valve opened and keeping the torque shaft sleeve meshed and fixed.
8. A control method of a washing machine according to claim 6 or 7, wherein the washing machine includes a driving motor for driving the speed reduction clutch device, the control method comprising:
the washing machine controls the clutch sleeve to be meshed and fixed with the washing rack, the brake wheel is in a brake state, and the drive motor is controlled to act to drive the washing machine impeller to rotate in a reciprocating manner through the speed reduction clutch device so as to carry out a first washing process;
the clutch sleeve is controlled to be separated from the washing rack and not meshed and fixed with the torque shaft sleeve, the brake wheel is in a free rotation state, the drive 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 is free to rotate, and a second washing process is carried out;
the control clutch sleeve is separated from the washing tooth frame and meshed and fixed with the torque shaft sleeve, the brake wheel is synchronously linked with the input shaft, and the drive motor is controlled to act to drive the dehydration 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.
9. The control method of the washing machine according to claim 8, wherein the washing machine controls the tractor to be in an initial state, the clutch sleeve is meshed and fixed with the washing rack, the brake wheel is in a braking state, the drain valve is kept closed, and the drive motor is controlled to act to drive the washing machine impeller to run back and forth through the speed reduction clutch device to perform a first washing process;
the washing machine controls the tractor to move to a first traction stroke, the tractor pulls the shifting fork assembly to move to pull the clutch sleeve to be separated from the washing rack and not to be meshed and fixed with the torque shaft sleeve, the drain valve is kept closed, the drive motor is controlled to move to drive the washing machine impeller to rotate in a reciprocating mode through the speed reduction clutch device, 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, the tractor pulls the shifting fork assembly to move to pull the clutch sleeve to be separated from the washing rack and to be meshed and fixed with the torque shaft sleeve, the drain valve is kept opened, and the driving motor is controlled to move to drive the washing machine impeller and the inner barrel to run at the same speed and in the same direction through the speed reduction clutch device so as to carry out the dehydration process.
10. The control method of the washing machine as claimed in claim 8, wherein the washing machine controls the tractor to be in an initial state, the clutch sleeve is fixed with the torque sleeve, the drain valve is kept opened, and the drive motor is controlled to act to drive the pulsator and the inner tub of the washing machine to run in the same speed and the same direction through the speed reduction clutch device so as to perform a dehydration process;
the washing machine controls the tractor to move to a first traction stroke, the tractor pulls the shifting fork assembly to move to pull the clutch sleeve to be separated from the torque shaft sleeve and not to be meshed and fixed with the washing rack, the drain valve is kept closed, the drive motor is controlled to move to drive the washing machine impeller to rotate in a reciprocating mode through the speed reduction clutch device, the inner barrel freely rotates, and a first washing process is carried out;
the washing machine controls the tractor to move to a second traction stroke, the tractor pulls the shifting fork assembly to move to pull the clutch sleeve to be separated from the torque shaft sleeve and meshed with the washing rack, the brake wheel is in a brake state, the inner barrel is locked, the drain valve is kept closed, and the drive motor is controlled to move to drive the washing machine impeller to reciprocate through the speed reduction clutch device to perform a second washing process;
preferably, the first washing process and the second washing process may be alternatively or alternately performed in the same washing process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911288608.8A CN113062085B (en) | 2019-12-12 | 2019-12-12 | Deceleration clutch device of washing machine, washing machine and control method of deceleration clutch device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911288608.8A CN113062085B (en) | 2019-12-12 | 2019-12-12 | Deceleration clutch device of washing machine, washing machine and control method of deceleration clutch device |
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| CN113062085A true CN113062085A (en) | 2021-07-02 |
| CN113062085B CN113062085B (en) | 2023-12-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635266A (en) * | 2022-03-18 | 2022-06-17 | 浙江三星机电股份有限公司 | Washing machine speed reduction clutch device, washing machine and control method thereof |
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| CN213013535U (en) * | 2019-12-12 | 2021-04-20 | 青岛海尔洗衣机有限公司 | Washing machine and speed reduction clutch device thereof |
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| CN1442569A (en) * | 2003-01-11 | 2003-09-17 | 宁国聚隆实业有限公司 | Fully automatic speed reducing clutch of washing machine |
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| CN114635266A (en) * | 2022-03-18 | 2022-06-17 | 浙江三星机电股份有限公司 | Washing machine speed reduction clutch device, washing machine and control method thereof |
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| CN113062085B (en) | 2023-12-19 |
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Effective date of registration: 20231115 Address after: 300356 No.6, Keda 4th Road, Balitai Town, Jinnan District, Tianjin Applicant after: Tianjin Haier washing appliance Co.,Ltd. Applicant after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER WASHING MACHINE Co.,Ltd. Applicant before: Haier Smart Home Co., Ltd. |
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