CN113062084A - 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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- CN113062084A CN113062084A CN201911278127.9A CN201911278127A CN113062084A CN 113062084 A CN113062084 A CN 113062084A CN 201911278127 A CN201911278127 A CN 201911278127A CN 113062084 A CN113062084 A CN 113062084A
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- 238000005406 washing Methods 0.000 title claims abstract description 169
- 230000009467 reduction Effects 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 76
- 230000002457 bidirectional effect Effects 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 6
- 230000018044 dehydration Effects 0.000 claims description 5
- 238000006297 dehydration reaction Methods 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
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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
- D06F37/304—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)
- Braking Arrangements (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 brake wheel is locked by the brake mechanism, and the speed reduction clutch device singly drives the impeller to rotate; the brake wheel is unlocked through the brake mechanism, the brake wheel can freely rotate in two directions along with the brake wheel, the speed reduction clutch device singly drives the impeller to rotate, and the inner barrel freely rotates in a washing mode.
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 bidirectionally rotate, dewatering axle fixed to said braking wheel, and braking mechanism for bidirectionally braking said braking wheel.
Further, the brake mechanism comprises a first brake band assembly for braking the brake wheel in a first direction and a second brake band assembly for braking the brake wheel in a second direction opposite to the first direction, the first brake band assembly is in transmission connection with the second brake band assembly, the deceleration clutch device comprises a tractor, and the tractor is connected with the first brake band assembly/the second brake band assembly to drive the first brake band assembly/the second brake band assembly to synchronously move.
Furthermore, the first brake band assembly comprises a first brake band, a first brake arm, a first brake lever rotating shaft, a first connecting rod and a first torsion spring, the first brake arm is rotatably mounted on the first brake lever rotating shaft which is fixedly arranged, the first connecting rod is fixed on the first brake arm, the first brake band is rotatably mounted on the first connecting rod, and the first torsion spring is mounted on the first brake lever rotating shaft, and one end of the first torsion spring is abutted against the first brake arm and used for providing elastic force for the first brake arm to reset and clasp;
the second brake band component comprises a second brake band, a second brake arm, a second brake lever rotating shaft, a second connecting rod and a second torsion spring, the second brake arm is rotatably arranged on the second brake lever rotating shaft which is fixedly arranged, the second connecting rod is fixed on the second brake arm, the second brake band is rotatably arranged on the second connecting rod, the second torsion spring is arranged on the second brake lever rotating shaft, one end of the second torsion spring is abutted against the second brake arm, and the second torsion spring is in an elastic compression state and provides elastic force for the second brake arm to keep the second brake band tightly held;
the first brake arm is provided with a limiting groove which is abutted against the second connecting rod, the first brake arm rotates to drive the first brake belt to loosen, the limiting groove is far away from the second connecting rod, and the second connecting rod slides along the limiting groove under the elastic force of the second torsion spring and drives the second brake belt to loosen.
Further, the traction device comprises a clutch mechanism, the clutch mechanism comprises a clutch sleeve capable of moving in a reciprocating mode and a shifting fork assembly for shifting the clutch sleeve to move in a reciprocating mode, the traction device pulls the first brake band assembly/the second brake band assembly and the shifting fork assembly to move, the traction device has a first traction stroke for pulling the first brake band assembly and the second brake band assembly to loosen the brake wheel and a second traction stroke for pulling the first brake band assembly and the second brake band assembly to loosen the brake wheel, and the shifting fork assembly shifts the clutch sleeve to an engagement position.
Furthermore, 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, a shifting fork seat and a shifting fork arm mechanism, the shifting fork arm mechanism comprises a shifting fork arm, a shifting fork arm rotating shaft and a shifting fork arm torsional spring, the shifting fork arm is rotatably arranged on the fixedly arranged shifting fork arm rotating shaft, the shifting fork arm torsional spring is arranged on the shifting fork arm rotating shaft, one end of the shifting fork arm torsional spring is abutted against the shifting fork arm and used for providing elastic force for the shifting fork arm to reset, and the shifting fork arm is provided with a trigger part which is arranged at a certain distance from a first brake arm of the first brake belt assembly;
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 shifting fork arm;
the tractor pulls the first brake band assembly at a first traction stroke, the first brake band assembly loosens the first brake band, the first brake band assembly drives the second brake band assembly to loosen the second brake band, and a certain interval is formed between the first brake arm and the trigger part;
the tractor is in the first brake band subassembly of second traction stroke pulling, and first brake band subassembly loosens first brake band, and first brake band subassembly drives the second brake band subassembly and loosens the second brake band, and first brake arm end is supported and is triggered the fork arm rotation at trigger part, and the fork synchronous action, separation and reunion cover move to meshing with the torque axle 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 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 speed reducing mechanism comprises a first brake band assembly for braking the brake wheel in a first direction and a second brake band assembly for braking the brake wheel in a second direction opposite to the first direction, the first brake band assembly is in transmission connection with the second brake band assembly, the speed reducing clutch device comprises a tractor, and the tractor is connected with the first brake band assembly/the second brake band assembly to drive the first brake band assembly and the second brake band assembly to synchronously act;
the tractor is provided with a first traction stroke for dragging the first brake band component and the second brake band component to be loosened, the drain valve is kept closed, the first brake band component and the second brake band component are dragged to be loosened, the clutch sleeve is shifted to the meshing position by the shifting fork component, and the drain valve is kept opened for a second traction stroke.
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, the washing machine comprising:
the first washing process that the first brake band component and the second brake band component tightly hold the brake wheel to be in a braking state, the clutch mechanism is separated, and the driving motor is controlled to act and drive the impeller of the washing machine to rotate in a reciprocating manner through the speed reduction clutch device;
the first brake band component and the second brake band component are controlled to release the brake wheel to be in a free rotation state, the clutch mechanism is controlled to be separated, and the driving motor is controlled to act to drive the washing machine impeller to reciprocate and the inner barrel to freely rotate through the speed reduction clutch device;
the first brake band component and the second brake band component are controlled to loosen the brake wheel to be in a free rotation state, the clutch mechanism is controlled to be meshed, and the driving motor is controlled to act to drive the washing machine impeller and the inner barrel to rotate in the same speed and the same direction through the speed reduction clutch device.
Furthermore, the washing machine controls the tractor to be in an initial state, the first brake band assembly and the second brake band assembly tightly hold the brake wheel to be in a brake state, the clutch mechanism is separated, the drain valve is kept closed, the drive motor is controlled to act, the washing machine impeller is driven to rotate in a reciprocating mode through the speed reduction clutch device, and a first washing process is carried out;
the washing machine controls the tractor to move to a first traction stroke, the tractor pulls the first brake band component and the second brake band component to be loosened, the brake wheel is in a free rotation state, the clutch mechanism is separated, the drain valve is kept closed, the drive motor is controlled to move, the washing machine impeller is driven 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 action of the tractor to a second traction stroke, and the tractor pulls the first brake band assembly and the second brake band assembly to be loosened: the brake wheel is in a free rotation state, the clutch mechanism is engaged, 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;
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 brake wheel is locked by the brake mechanism, and the speed reduction clutch device singly drives the impeller to rotate; the brake wheel is unlocked by the brake 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 bottom view of a deceleration clutch apparatus of the washing machine according to the embodiment of the present invention;
FIG. 3 is a first perspective view showing the brake mechanism, brake wheel and clutch mechanism of the deceleration clutch device of the washing machine according to the embodiment of the present invention;
FIG. 4 is a second perspective view showing the brake mechanism, brake wheel and clutch mechanism of the deceleration clutch device of the washing machine according to the embodiment of the present invention;
FIG. 5 is an exploded view of a braking mechanism and a clutch mechanism of the deceleration clutch device of the washing machine according to the embodiment of the present invention;
FIG. 6 is an exploded view of the braking mechanism and the clutch mechanism of the deceleration clutch device of the washing machine according to the embodiment of the present invention;
FIG. 7 is an assembly view of a brake mechanism of the deceleration clutch apparatus of the washing machine according to the embodiment of the present invention;
FIG. 8 is an assembly view of a first brake band assembly of the deceleration clutch assembly of the washing machine according to the embodiment of the present invention;
FIG. 9 is a perspective view illustrating a first brake arm of the deceleration clutch assembly of the washing machine according to the embodiment of the present invention;
FIG. 10 is a perspective view illustrating a clutch cover of the deceleration clutch apparatus of the washing machine according to the embodiment of the present invention;
FIG. 11 is a perspective view illustrating a torque sleeve of the reduction clutch apparatus of the washing machine according to the embodiment of the present invention;
FIG. 12 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 12, 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 bidirectionally rotating, a dehydration shaft (not shown) fixedly connected with the braking wheel 19, and a braking mechanism for bidirectionally braking the braking wheel 19.
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: a washing mode that the brake wheel 19 is locked through a brake mechanism and the speed reduction clutch device singly drives the impeller to rotate; the brake wheel 19 is unlocked by the brake 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 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 band 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 embodiment provides a brake mechanism capable of realizing the two-way braking of the brake wheel 19, specifically, the brake mechanism of the embodiment comprises a first brake band component for braking the brake wheel in a first direction and a second brake band component for braking the brake wheel in a second direction opposite to the first direction, the first brake band component is in transmission connection with the second brake band component, the speed reduction clutch device comprises a tractor 24, and the tractor 24 is connected with the first brake band component/the second brake band component to drive the two to synchronously act.
The brake mechanism of the embodiment comprises a first brake band component and a second brake band component which brake in two opposite directions, so that bidirectional braking of the bidirectional rotating brake wheel 19 is realized, and the first brake band component is in transmission connection with the second brake band component, so that the first brake band component and the second brake band component can be realized by one tractor 24, the structure is simpler, and the manufacturing cost is reduced.
Further, as shown in fig. 3 to 9, the first brake band assembly of the present embodiment includes a first brake band 8, a first brake arm 6, a first brake lever spindle 35, a first connecting rod 36 and a first torsion spring 37, the first brake arm 6 is rotatably mounted on the first brake lever spindle 35, the first connecting rod 36 is fixed on the first brake arm 6, the first brake band 8 is rotatably mounted on the first connecting rod 36, and the first torsion spring 37 is mounted on the first brake lever spindle 35 and has one end abutting against the first brake arm 6 for providing elastic force for returning and clasping the first brake arm 6.
This embodiment second brake band subassembly includes second brake band 7, second brake arm 29, second brake lever pivot 28, second connecting rod 30 and second torsional spring 27, second brake arm 29 rotatable install on fixed setting's second brake lever pivot 28, second connecting rod 30 fix on second brake arm 29, second brake band 7 rotatable install on second connecting rod 30, second torsional spring 27 install on second brake lever pivot 28 and one end is stopped on second brake arm 29, second torsional spring 27 is in the elastic compression state and provides elastic force for second brake arm 29 and keeps second brake band 7 to hug closely.
The first brake arm 6 described in this embodiment has a limiting groove 603 that abuts against the second connecting rod 30, the first brake arm 6 rotates to drive the first brake band 8 to loosen, the limiting groove 603 is far away from the second connecting rod 30, the second connecting rod 30 slides along the limiting groove 603 under the elastic force of the second torsion spring 27, and simultaneously drives the second brake band 7 to loosen. The limiting groove 603 of this embodiment has a certain extension length, and can be a long strip-shaped groove or an open groove. The second connecting rod 30 and the limiting groove 603 of the embodiment are provided with a certain gap (1-5mm), and if no gap is left, a brake band may not be tightly embraced.
The first brake arm 6 of this embodiment has a brake arm body 601 and a connecting portion 602 integrally formed with the brake arm body, the connecting portion 602 being connected to the retractor 24.
The speed reduction clutch device of the embodiment further comprises a clutch mechanism, the clutch mechanism comprises a clutch sleeve 16 capable of reciprocating and a shifting fork assembly for shifting the clutch sleeve 16 to reciprocate, the tractor 24 pulls the first brake band assembly/the second brake band assembly and the shifting fork assembly to move, the tractor 24 has a first traction stroke for pulling the first brake band assembly and the second brake band assembly to release the brake wheel and a second traction stroke for pulling the first brake band assembly and the second brake band assembly to release the brake wheel, and the shifting fork assembly shifts the clutch sleeve 16 to an engagement position.
The first brake band assembly, the second brake band assembly and the clutch mechanism of the embodiment are all controlled by the same retractor 24, so that the overall assembly structure is simplified, and the manufacturing cost is reduced.
Specifically, the speed reducing mechanism described in this embodiment includes an input shaft 1 and an input shaft sleeve (not shown) sleeved outside the input shaft 1, the clutch mechanism includes 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 and can reciprocate along the axial direction of the input shaft sleeve.
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.
This embodiment the fork assembly include shift fork 4, fork seat 14 and fork arm mechanism, fork arm mechanism includes fork arm 31, fork arm pivot (not shown) and fork arm torsional spring 5, fork arm 31 rotatable install in the fixed fork arm pivot that sets up, fork arm torsional spring 5 install in fork arm pivot and one end is supported and is used for providing the elastic force for fork arm on fork arm 31 and reset, fork arm 31 have with the first braking arm 6 interval of first braking strip subassembly triggers the portion 3101 that the certain distance set up.
One end of the shifting fork 4 is limited on the periphery of the clutch sleeve 16 to shift the shifting fork to reciprocate, the middle part of the shifting fork 4 is rotatably arranged on the shifting fork seat 14 to form a lever structure, the other end of the shifting fork 4 is abutted against the shifting fork arm 31, and the shifting fork arm 31 is provided with an abutting part 3102 abutted against the shifting fork 4.
The retractor 24 of this embodiment pulls the first brake band assembly at a first retraction stroke, which releases the first brake band 8, which moves the second brake band assembly to release the second brake band 7, with a space between the first brake arm 6 and the trigger 3101.
The tractor is in the first brake band subassembly of second traction stroke pulling, and first brake band subassembly loosens first brake band, and first brake band subassembly drives the second brake band subassembly and loosens the second brake band, and first brake arm end is supported and is triggered the fork arm rotation at trigger part, and the fork synchronous action, separation and reunion cover move to meshing with the torque axle sleeve.
The first brake arm 6 of this embodiment has a shift fork paddle 604, and the shift fork paddle is mounted with the shift fork bolt 33, and the shift fork paddle 604 rotates with the brake arm 6 to drive the shift fork bolt 33 to move toward the trigger 3101. The retractor 24 is in a first traction stroke, a certain interval is formed between the shifting fork bolt 33 and the trigger part 3101, the retractor is in a second traction stroke, and the shifting fork bolt 33 is stopped against the trigger part 3101 to trigger the shifting fork arm to rotate.
The first brake arm 6 of the present embodiment controls the first brake band 8, the second brake band 7 and the clutch sleeve 16 simultaneously (washing, spin-dry clutch changeover). When the tractor 24 does not act, the first brake band 8 and the second brake band 7 tightly hold the brake wheel, the shifting fork 4 does not act, and the clutch sleeve 16 does not act and is positioned at the uppermost end. When the tractor 24 is positioned at a first stroke, a part of the first brake band 8 and the second brake band 7 is pulled, a small gap is reserved between the brake bands and the brake wheel 19, the shifting fork 4 does not act, the clutch sleeve 16 does not act, and the end part of the shifting fork 4 is contacted with and presses the clutch sleeve 16; when the tractor 24 is in the second stroke, the first brake band 8 and the second brake band 7 are completely pulled apart, the brake bands and the brake wheel 19 have larger gaps, the shifting fork 4 acts, the shifting fork 4 is separated from the clutch sleeve 16, and the clutch sleeve 16 moves downwards to be meshed with the torque shaft sleeve 17.
In order to realize the first brake arm 6 of the present embodiment in which the clutch sleeve 16 is not engaged with the torque sleeve 17 at the first stroke and the clutch sleeve 16 is engaged with the torque sleeve 17 at the second stroke, the present embodiment can be realized simply by limiting the distance between the shift fork bolt 33 and the trigger portion 3101, or the engagement stroke between the clutch sleeve 16 and the torque sleeve 17 is larger than the distance between the shift fork bolt 33 and the trigger portion 3101.
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 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 connect 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, the one end of first braking band, second braking band is fixed one side of installing port, the other end enters into the interior cavity of lower extreme shell from the braking band installing port and encircles the braked wheel and stretches out and link to each other with first brake arm, second brake arm by the braking band installing port again, first brake arm, second brake arm pass through first brake arm pivot 35, second brake arm pivot 28 rotatable installation on lower extreme shell 13, likewise, the declutch shift arm pivot of this embodiment also installs on lower extreme shell 13, the declutch shift pivot can share with first brake arm pivot 35.
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 arm 31 of the present embodiment has a shift arm stopper 34, and the shift arm stopper 34 stops against the lower end housing 13 to define a reset position when the shift arm is elastically reset.
As shown in fig. 12, 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 this embodiment further includes an outer tub 22, the outer tub 22 has a drain opening, and a drain valve 26 is installed at the bottom of the outer tub to control the opening and closing of the drain opening.
The speed reducing mechanism comprises a first brake band component for braking the brake wheel in a first direction and a second brake band component for braking the brake wheel in a second direction opposite to the first direction, the first brake band component is in transmission connection with the second brake band component, the speed reducing clutch device comprises a tractor 24, and the tractor is connected with the first brake band component and the second brake band component to drive the first brake band component and the second brake band component to synchronously act;
the tractor is provided with a first traction stroke for dragging the first brake band component and the second brake band component to be loosened, the drain valve is kept closed, the first brake band component and the second brake band component are dragged to be loosened, the clutch sleeve is shifted to the meshing position by the shifting fork component, and the drain valve is kept opened for a second traction stroke.
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 second washing process of controlling the first brake band assembly and the second brake band assembly to release 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 impeller of the washing machine to rotate in a reciprocating way and the inner barrel to rotate freely through the speed reduction clutch device;
the first brake band component and the second brake band component are controlled to release the brake wheel to be in a free rotation state, the clutch mechanism is controlled to be meshed, and the driving motor 23 is controlled to act to drive the washing machine impeller and the inner barrel to rotate in the same speed and the same direction through the speed reduction clutch device.
Furthermore, the washing machine controls the tractor to be in an initial state, the first brake band assembly and the second brake band assembly tightly hold the brake wheel to be in a brake state, the clutch mechanism is separated, the drain valve is kept closed, the drive motor is controlled to act, the washing machine impeller is driven to rotate in a reciprocating mode through the speed reduction clutch device, and a first washing process is carried out;
the washing machine controls the tractor to move to a first traction stroke, the tractor pulls the first brake band component and the second brake band component to be loosened, the brake wheel is in a free rotation state, the clutch mechanism is separated, the drain valve is kept closed, the drive motor is controlled to move, the washing machine impeller is driven 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 action of the tractor to a second traction stroke, and the tractor pulls the first brake band assembly and the second brake band assembly to be loosened: the brake wheel is in a free rotation state, the clutch mechanism is engaged, 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;
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 decelerating clutch device of the washing machine is characterized by comprising a decelerating mechanism, wherein the decelerating mechanism comprises a braking wheel capable of bidirectionally rotating, a dehydrating shaft fixedly connected with the braking wheel, and a braking mechanism for bidirectionally braking the braking wheel.
2. The deceleration clutch assembly according to claim 1, wherein the braking mechanism includes a first brake band assembly for braking the brake wheel in a first direction and a second brake band assembly for braking the brake wheel in a second direction opposite to the first direction, the first brake band assembly being drivingly connected to the second brake band assembly, the deceleration clutch assembly including a retractor connecting the first brake band assembly/the second brake band assembly for synchronized movement of the first brake band assembly/the second brake band assembly.
3. The deceleration clutch assembly according to claim 2, wherein the first brake band assembly comprises a first brake band, a first brake arm, a first brake lever pivot, a first connecting rod and a first torsion spring, the first brake arm is rotatably mounted on the first brake lever pivot, the first connecting rod is fixed on the first brake arm, the first brake band is rotatably mounted on the first connecting rod, the first torsion spring is mounted on the first brake lever pivot and has one end abutting against the first brake arm for providing elastic force return clasping for the first brake arm;
the second brake band component comprises a second brake band, a second brake arm, a second brake lever rotating shaft, a second connecting rod and a second torsion spring, the second brake arm is rotatably arranged on the second brake lever rotating shaft which is fixedly arranged, the second connecting rod is fixed on the second brake arm, the second brake band is rotatably arranged on the second connecting rod, the second torsion spring is arranged on the second brake lever rotating shaft, one end of the second torsion spring is abutted against the second brake arm, and the second torsion spring is in an elastic compression state and provides elastic force for the second brake arm to keep the second brake band tightly held;
the first brake arm is provided with a limiting groove which is abutted against the second connecting rod, the first brake arm rotates to drive the first brake belt to loosen, the limiting groove is far away from the second connecting rod, and the second connecting rod slides along the limiting groove under the elastic force of the second torsion spring and drives the second brake belt to loosen.
4. The deceleration clutch device according to claim 2 or 3, characterized by comprising a clutch mechanism, wherein the clutch mechanism comprises a clutch sleeve capable of reciprocating and a shifting fork assembly for shifting the clutch sleeve to reciprocate, the tractor draws the first brake band assembly/the second brake band assembly and the shifting fork assembly to move, the tractor has a first drawing stroke for drawing the first brake band assembly and the second brake band assembly to release the brake wheel and a second drawing stroke for drawing the first brake band assembly and the second brake band assembly to release the brake wheel, and the shifting fork assembly shifts the clutch sleeve to an engaged position.
5. The deceleration clutch device according to claim 4, wherein the deceleration mechanism comprises an input shaft and an input shaft sleeve arranged outside the input shaft, the clutch mechanism comprises a torque shaft sleeve arranged on the input shaft and rotating together with the input shaft, and the clutch sleeve is arranged on the input shaft sleeve and can reciprocate along the axial direction of the input shaft sleeve;
the shifting fork assembly comprises a shifting fork, a shifting fork seat and a shifting fork arm mechanism, the shifting fork arm mechanism comprises a shifting fork arm, a shifting fork arm rotating shaft and a shifting fork arm torsional spring, the shifting fork arm is rotatably arranged on the fixedly arranged shifting fork arm rotating shaft, the shifting fork arm torsional spring is arranged on the shifting fork arm rotating shaft, one end of the shifting fork arm torsional spring is abutted against the shifting fork arm and used for providing elastic force for the shifting fork arm to reset, and the shifting fork arm is provided with a trigger part which is arranged at a certain distance from a first brake arm of the first brake belt assembly;
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 shifting fork arm;
the tractor pulls the first brake band assembly at a first traction stroke, the first brake band assembly loosens the first brake band, the first brake band assembly drives the second brake band assembly to loosen the second brake band, and a certain interval is formed between the first brake arm and the trigger part;
the tractor is in the first brake band subassembly of second traction stroke pulling, and first brake band subassembly loosens first brake band, and first brake band subassembly drives the second brake band subassembly and loosens the second brake band, and first brake arm end is supported and is triggered the fork arm rotation at trigger part, and the fork synchronous action, separation and reunion cover move to meshing with the torque axle sleeve.
6. The deceleration clutch assembly according to any one of claims 1 to 3, 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.
7. A washing machine having the deceleration clutch device according to any one of claims 1 to 6, 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.
8. The washing machine as claimed in claim 7, 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 speed reducing mechanism comprises a first brake band assembly for braking the brake wheel in a first direction and a second brake band assembly for braking the brake wheel in a second direction opposite to the first direction, the first brake band assembly is in transmission connection with the second brake band assembly, the speed reducing clutch device comprises a tractor, and the tractor is connected with the first brake band assembly/the second brake band assembly to drive the first brake band assembly and the second brake band assembly to synchronously act;
the tractor is provided with a first traction stroke for dragging the first brake band component and the second brake band component to be loosened, the drain valve is kept closed, the first brake band component and the second brake band component are dragged to be loosened, the clutch sleeve is shifted to the meshing position by the shifting fork component, and the drain valve is kept opened for a second traction stroke.
9. A control method of a washing machine according to claim 7 or 8, wherein the washing machine comprises:
the first washing process that the first brake band component and the second brake band component tightly hold the brake wheel to be in a braking state, the clutch mechanism is separated, and the driving motor is controlled to act and drive the impeller of the washing machine to rotate in a reciprocating manner through the speed reduction clutch device;
the first brake band component and the second brake band component are controlled to release the brake wheel to be in a free rotation state, the clutch mechanism is controlled to be separated, and the driving motor is controlled to act to drive the washing machine impeller to reciprocate and the inner barrel to freely rotate through the speed reduction clutch device;
the first brake band component and the second brake band component are controlled to loosen the brake wheel to be in a free rotation state, the clutch mechanism is controlled to be meshed, and the driving motor is controlled to act to drive the washing machine impeller and the inner barrel to rotate in the same speed and the same direction through the speed reduction clutch device.
10. The control method of the washing machine as claimed in claim 9, wherein the washing machine controls the tractor to be in an initial state, the first brake band assembly and the second brake band assembly tightly hold the brake wheel to be in a braking state, the clutch mechanism is separated, the drain valve is kept closed, and the driving motor is controlled to act to drive the washing machine impeller to reciprocate 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 first brake band component and the second brake band component to be loosened, the brake wheel is in a free rotation state, the clutch mechanism is separated, the drain valve is kept closed, the drive motor is controlled to move, the washing machine impeller is driven 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 action of the tractor to a second traction stroke, and the tractor pulls the first brake band assembly and the second brake band assembly to be loosened: the brake wheel is in a free rotation state, the clutch mechanism is engaged, 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;
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 |
|---|---|---|---|
| CN201911278127.9A CN113062084B (en) | 2019-12-12 | 2019-12-12 | Deceleration clutch device of washing machine, washing machine and control method of deceleration clutch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911278127.9A CN113062084B (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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| CN113062084A true CN113062084A (en) | 2021-07-02 |
| CN113062084B CN113062084B (en) | 2024-01-12 |
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| CN201911278127.9A Active CN113062084B (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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| CN105734885A (en) * | 2014-12-12 | 2016-07-06 | 青岛海尔洗衣机有限公司 | Washing machine and deceleration clutch for same |
| CN213013534U (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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| JPH0857187A (en) * | 1994-08-19 | 1996-03-05 | Mitsubishi Electric Corp | Clutch device and clutch control method for one tub type washing machine |
| CN101113558A (en) * | 2005-10-06 | 2008-01-30 | 宁国聚隆实业有限公司 | Full-automatic deceleration clutch and washing machine thereof |
| CN201003118Y (en) * | 2006-12-28 | 2008-01-09 | 宁波普尔机电制造有限公司 | Decelerating clutch for fully automatic wave wheel washing machine |
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| CN113062084B (en) | 2024-01-12 |
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Effective date of registration: 20231208 Address after: No.16 Huatian north, Ronggui high tech Zone, Shunde District, Foshan City, Guangdong Province, 528306 Applicant after: FOSHAN SHUNDE HAIER ELECTRIC Co.,Ltd. Applicant after: Haier Zhijia 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 Zhijia Co.,Ltd. |
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