CN113062084B - Deceleration clutch device of washing machine, washing machine and control method of deceleration clutch device - Google Patents
Deceleration clutch device of washing machine, washing machine and control method of deceleration clutch device Download PDFInfo
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- CN113062084B CN113062084B CN201911278127.9A CN201911278127A CN113062084B CN 113062084 B CN113062084 B CN 113062084B CN 201911278127 A CN201911278127 A CN 201911278127A CN 113062084 B CN113062084 B CN 113062084B
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- belt assembly
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- washing machine
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- 238000005406 washing Methods 0.000 title claims abstract description 174
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 74
- 230000009467 reduction Effects 0.000 claims abstract description 26
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 17
- 230000009471 action Effects 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000018044 dehydration Effects 0.000 claims description 8
- 238000006297 dehydration reaction Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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
-
- 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
Abstract
The invention provides a decelerating 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 bidirectionally, so that the inner barrel is driven to have more rotation modes, and more washing modes can be provided theoretically: the braking mechanism locks the braking wheel, and the speed reducing clutch device singly drives the washing mode of the rotation of the impeller; the brake wheel is unlocked through the brake mechanism, the brake wheel can rotate along with the brake wheel in a bidirectional free mode, the speed reduction clutch device drives the pulsator to rotate in a single mode, the inner barrel rotates in a free mode, various combined washing modes can be adopted in the whole washing process of the washing machine, washing is more complete, 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 thereof.
Background
A washing machine, which is a home appliance, is becoming an indispensable part of life of people, and a full-automatic pulsator washing machine, which is a main type of washing machine, is also becoming more and more widely applied. The existing full-automatic pulsator washing machine generally works in a mode that when washing and rinsing are carried out, the driving device drives the pulsator of the washing machine to rotate positively and negatively through the decelerating clutch device, and when dewatering is carried out, the driving device drives the pulsator of the washing machine and the washing barrel to rotate synchronously at high speed through the decelerating clutch device.
However, with the high-speed development of technology, the improvement of the washing effect of the existing full-automatic pulsator washing machine is more limited by simply relying on the washing mode of pulsator stirring water flow, so that how to increase the washing diversity of the full-automatic pulsator washing machine to improve the washing effect becomes a technical problem to be solved urgently.
Several patents have proposed solutions to this problem, for example, application number: 02804912.8, a chinese invention patent entitled drive mechanism for producing bi-directional rotation, a washing machine and method for producing bi-directional washing and related inner tub and agitator, discloses a drive mechanism for producing bi-directional drive suitable for use in a washing machine comprising a power input and two power outputs, one of which is connected to a agitator shaft (10) and rotates the agitator shaft in a first direction; and the other power output end of the power output end is connected with an inner barrel shaft (11) and enables the inner barrel shaft to rotate in a second direction opposite to the first direction. A washing machine for producing bidirectional washing and a washing method capable of producing bidirectional washing in the washing machine. A pulsator and an inner tub for a washing machine. The patent discloses a transmission mechanism capable of enabling a washing machine to generate bidirectional driving, and meanwhile 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 that the power driving mode is single when the existing full-automatic pulsator washing machine washes, but the disclosed transmission mechanism is complex in structure, high in manufacturing and assembling difficulty, high in manufacturing cost and the like.
For another example, the application number is: 201310408108.X, named: the invention discloses a Chinese patent application of a full-automatic washing machine, which comprises an outer barrel, an inner barrel, a pulsator and a driving device, wherein the driving device comprises at least two rotors and at least one stator, one rotor is connected with an inner barrel shaft, and the other rotor is connected with a pulsator 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; the pulsator and the inner barrel rotate in the same direction or in opposite directions when the washing machine washes, or one of the pulsator and the inner barrel rotates, and the pulsator and the inner barrel rotate in the same direction and at the same speed when the washing machine dehydrates. 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.
As is known from the above two published patent applications, there are two main concepts for solving the diversity of water flows in washing machines: the first mode is to design a speed reduction clutch device capable of outputting bidirectional power to realize bidirectional washing in the washing process of the washing machine, so that the water flow effect is enhanced; and in a second mode, a driving motor with bidirectional power output is designed to respectively drive the pulsator 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 this, it is an object of the present application to provide a washing machine that can be used to select an optimal washing method by increasing the variety of washing methods and switching between the washing methods.
Disclosure of Invention
The first invention provides a speed reduction clutch device capable of realizing combination of a plurality of washing modes, and specifically adopts the following technical scheme:
the speed reducing clutch device of the washing machine comprises a speed reducing mechanism, wherein the speed reducing mechanism comprises a braking wheel capable of rotating bidirectionally, a dehydration shaft fixedly connected with the braking wheel, and a braking mechanism for braking the braking wheel bidirectionally.
Further, the braking mechanism comprises a first braking belt assembly for braking the braking wheel in a first direction and a second braking belt assembly for braking the braking wheel in a second direction opposite to the first direction, the first braking belt assembly is in transmission connection with the second braking belt assembly, and the speed reducing clutch device comprises a tractor, and the tractor is connected with the first braking belt assembly/the second braking belt assembly to drive the first braking belt assembly and the second braking belt assembly to synchronously act.
Further, the first brake belt assembly comprises a first brake belt, a first brake arm, a first brake rod rotating shaft, a first connecting rod and a first torsion spring, wherein the first brake arm is rotatably arranged on the first brake rod rotating shaft which is fixedly arranged, the first connecting rod is fixed on the first brake arm, the first brake belt is rotatably arranged on the first connecting rod, and the first torsion spring is arranged on the first brake rod rotating shaft, one end of the first torsion spring is abutted against the first brake arm and is used for providing elastic force for resetting and holding for the first brake arm;
the second braking belt assembly comprises a second braking belt, a second braking arm, a second braking rod rotating shaft, a second connecting rod and a second torsion spring, wherein the second braking arm is rotatably arranged on the second braking rod rotating shaft which is fixedly arranged, the second connecting rod is fixed on the second braking arm, the second braking belt is rotatably arranged on the second connecting rod, the second torsion spring is arranged on the second braking rod rotating shaft, one end of the second torsion spring is stopped on the second braking arm, and the second torsion spring is in an elastic compression state to provide elastic force for the second braking arm to keep the second braking belt tightly held;
the first brake arm is provided with a limit groove which is abutted against the second connecting rod, the first brake arm rotates to drive the first brake belt to be loosened, the limit groove is far away from the second connecting rod, and the second connecting rod slides along the limit groove under the elastic force of the second torsion spring and drives the second brake belt to be loosened.
Further, the clutch mechanism comprises a clutch sleeve capable of reciprocating and a shifting fork component capable of shifting the clutch sleeve to reciprocate, the tractor pulls the first brake belt component/the second brake belt component and the shifting fork component to act, the tractor has a first traction stroke for pulling the first brake belt component and the second brake belt component to release the brake wheel and a second traction stroke for pulling the first brake belt component and the second brake belt component to release the brake wheel, and the shifting fork component shifts the clutch sleeve to the engagement position.
Further, 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 clutch 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 torsion spring, the shifting fork arm is rotatably arranged on the shifting fork arm rotating shaft which is fixedly arranged, the shifting fork arm torsion spring is arranged on the shifting fork arm rotating shaft, one end of the shifting fork arm torsion spring is stopped on the shifting fork arm and is used for providing elastic force for resetting for the shifting fork arm, 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 to shift the shifting fork 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 with the shifting fork arm;
the tractor is positioned in a first traction stroke to pull the first brake belt assembly, the first brake belt assembly loosens the first brake belt, the first brake belt assembly drives the second brake belt assembly to loosen the second brake belt, and a certain interval is reserved between the first brake arm and the triggering part;
the tractor is positioned in a second traction stroke to pull the first brake belt assembly, the first brake belt assembly loosens the first brake belt, the first brake belt assembly drives the second brake belt assembly to loosen the second brake belt, the first brake arm is stopped against the triggering part to trigger the shifting fork arm to rotate, the shifting fork synchronously acts, and the clutch sleeve moves to be meshed with the torque shaft sleeve.
Further, the brake wheel comprises a brake wheel body with an opening containing cavity and a brake wheel shaft fixedly connected with the opening end of the brake body, and a bidirectional rotating bearing is arranged between the brake wheel shaft and the shell.
The second object of the present invention is to provide a washing machine with the above-mentioned speed reducing clutch device, specifically, the following technical scheme is adopted:
the washing machine with the speed reducing clutch device comprises an inner barrel and a pulsator arranged in the inner barrel, wherein the speed reducing mechanism comprises a pulsator shaft, the pulsator shaft is fixedly connected with the pulsator, and a dehydration shaft is fixedly connected with the inner barrel.
Further, the device also comprises an outer barrel, wherein the outer barrel is provided with a water outlet, and the bottom of the outer barrel is provided with a drain valve for controlling the water outlet to be opened and closed;
the speed reducing mechanism comprises a first braking belt assembly for braking the braking wheel in a first direction and a second braking belt assembly for braking the braking wheel in a second direction opposite to the first direction, the first braking belt assembly is in transmission connection with the second braking belt assembly, and the speed reducing clutch device comprises a tractor, and the tractor is connected with the first braking belt assembly/the second braking belt assembly to drive the first braking belt assembly and the second braking belt assembly to synchronously act;
the tractor is provided with a first traction stroke for traction of the first brake belt assembly and the second brake belt assembly to be loosened, the drain valve is kept closed, the first brake belt assembly and the second brake belt assembly are pulled to be loosened, the shifting fork assembly shifts the clutch sleeve to the meshing position, and the drain valve is kept open, and is kept at a second traction stroke.
The third object of the present invention is to provide a control method of the above washing machine, specifically, the following technical scheme is adopted:
a control method of the washing machine, the washing machine includes:
the first braking belt assembly and the second braking belt assembly are controlled to tightly hold the braking wheel in a braking state, the clutch mechanism is separated, and the driving motor is controlled to act to drive the first washing process of the reciprocating operation of the pulsator of the washing machine through the speed reduction clutch device;
the first braking belt assembly and the second braking belt assembly are controlled to loosen the braking 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 pulsator of the washing machine to reciprocate through the speed reduction clutch device, and the inner barrel is controlled to freely rotate in a second washing process;
the first braking belt assembly and the second braking belt assembly are controlled to loosen the braking wheel to be in a free rotation state, the clutch mechanism is controlled to be engaged, and the driving motor is controlled to act to drive the pulsator and the inner barrel of the washing machine to rotate in the same speed and the same direction through the speed reduction clutch device.
Further, the washing machine controls the tractor to be in an initial state, the first braking belt assembly and the second braking belt assembly tightly hold the braking 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 pulsator of the washing machine to reciprocate through the speed reduction clutch device so as to perform a first washing process;
the washing machine controls the action of a tractor to a first traction stroke, the tractor pulls the first brake belt assembly and the second brake belt assembly to be loosened, the brake wheel is in a free rotation state, the clutch mechanism is separated, the drain valve is kept closed, and the action of a driving motor is controlled to drive the impeller of the washing machine to reciprocate and the inner barrel to freely rotate through a speed reduction clutch device so as to perform a second washing process;
the washing machine controls the action of the tractor to the 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 meshed, the drain valve is kept on, the action of the driving motor is controlled, the impeller and the inner barrel of the washing machine are driven to run at the same speed and in the same direction through the speed reduction clutch device, and the dehydration process is carried out;
preferably, the first washing process and the second washing process may be alternatively or alternately performed in the same washing process.
The brake wheel of the speed reduction clutch device can rotate bidirectionally, so that the inner barrel is driven to have more rotation modes, and more washing modes can be provided theoretically: the braking mechanism locks the braking wheel, and the speed reducing clutch device singly drives the washing mode of the rotation of the impeller; the brake wheel is unlocked by the brake mechanism, and can rotate in a bidirectional and free way, and the speed reducing clutch device drives the pulsator to rotate in a single mode, and the inner barrel rotates in a free way.
Therefore, the speed reducing clutch device of the present invention can provide various washing functions: the washing mode of full automatic before can be adopted, also can adopt the washing mode of rubbing with hands. Namely, during washing: the rotary washing machine can provide a rotary washing mode of the wave wheel, and also can provide a rotary washing mode of the wave wheel, wherein the washing barrel can freely rotate. In the whole washing process of the washing machine, various combined washing modes, various water flows and circulating and crossed washing modes can be adopted for operation. The washing machine has the advantages that the washing is more sufficient, clothes are cleaner, the clothes are prevented from being entangled, and the user experience of the washing machine is improved.
Drawings
FIG. 1 is a schematic diagram showing a structure of a speed reducing clutch device of a washing machine according to an embodiment of the present invention;
FIG. 2 is a bottom view of a speed reducing clutch device of a washing machine according to an embodiment of the present invention;
FIG. 3 is a perspective assembly view of a brake mechanism, a brake wheel and a clutch mechanism of a speed reducing clutch device of a washing machine according to the embodiment of the invention;
FIG. 4 is a perspective assembly view II of a brake mechanism, a brake wheel and a clutch mechanism of a speed reducing clutch device of a washing machine according to the embodiment of the invention;
FIG. 5 is an exploded view of a brake mechanism and a clutch mechanism of a deceleration clutch device of a washing machine according to an embodiment of the present invention;
FIG. 6 is a second exploded view of a braking mechanism and a clutch mechanism of a deceleration clutch device of a washing machine according to the embodiment of the invention;
FIG. 7 is an assembly view of a brake mechanism of a deceleration clutch apparatus of a washing machine according to an embodiment of the present invention;
FIG. 8 is an assembly view of a first brake band assembly of a speed reducing clutch device of a washing machine in accordance with an embodiment of the present invention;
fig. 9 is a schematic perspective view of a first brake arm of a deceleration clutch apparatus of a washing machine according to an embodiment of the present invention;
fig. 10 is a schematic perspective view of a clutch sleeve of a speed reducing clutch device of a washing machine according to an embodiment of the present invention;
FIG. 11 is a schematic perspective view of a torque sleeve of a speed reducing clutch device of a washing machine according to an embodiment of the present invention;
fig. 12 is a schematic view of a tub bottom installation structure of a washing machine according to an embodiment of the present invention.
Detailed Description
The deceleration clutch device of a washing machine, the washing machine and the control method thereof according to the present invention are described in detail with reference to the accompanying drawings as follows:
as shown in fig. 1-12, the present embodiment provides a deceleration clutch device of a washing machine, which includes a deceleration mechanism, the deceleration mechanism includes a braking wheel 19 capable of bidirectional rotation, a dehydration shaft (not shown) fixedly connected with the braking wheel 19, and a braking mechanism for bidirectional braking of the braking wheel 19.
The brake wheel is in a braking state when the existing full-automatic washing machine washes, the decelerating clutch device can only drive the pulsator to rotate, and the brake wheel can only rotate when dehydrating, but can only rotate in one direction under the limit of the one-way bearing, so that the inner barrel can not rotate in the washing process or the rotating mode is single even if the inner barrel rotates, and the washing machine is unfavorable for forming various washing modes.
The brake wheel of the speed reduction clutch device of the embodiment can rotate bidirectionally, so that the inner barrel is driven to have more rotation modes, and more washing modes can be provided theoretically: the braking mechanism locks the braking wheel 19, and the speed reducing clutch device singly drives the impeller to rotate in a washing mode; the brake wheel 19 is unlocked by the brake mechanism, the brake wheel can rotate freely in both directions, and the speed reducing clutch device drives the pulsator to rotate singly and the inner barrel to rotate freely.
Therefore, the speed reducing clutch device of the present embodiment can provide various washing functions: the washing mode of full automatic before can be adopted, also can adopt the washing mode of rubbing with hands. Namely, during washing: the rotary washing machine can provide a rotary washing mode of the wave wheel, and also can provide a rotary washing mode of the wave wheel, wherein the washing barrel can freely rotate. In the whole washing process of the washing machine, various combined washing modes, various water flows and circulating and crossed washing modes can be adopted for operation. The washing machine has the advantages that the washing is more sufficient, clothes are cleaner, the clothes are prevented from being entangled, and the user experience of the washing machine is improved.
The conventional braking belt can only brake the braking wheel in one way, the other direction of the braking wheel is limited by a one-way bearing, the braking wheel 19 of the embodiment can rotate in two directions, and meanwhile, in order to ensure the realization of a washing mode of single-impeller rotation, the braking wheel 19 also needs to brake in two directions, so the embodiment provides a braking mechanism capable of realizing the two-way braking of the braking wheel 19, specifically, the braking mechanism of the embodiment comprises a first braking belt assembly for braking the braking wheel in a first direction and a second braking belt assembly for braking the braking wheel in a second direction opposite to the first direction, the first braking belt assembly is in transmission connection with the second braking belt assembly, and the speed reducing clutch device comprises a tractor 24, and the tractor 24 is connected with the first braking belt assembly/the second braking belt assembly to drive the two braking belt assemblies to synchronously act.
The braking mechanism of the embodiment comprises a first braking belt component and a second braking belt component which brake in opposite directions, so that bidirectional braking of the bidirectional rotating braking wheel 19 is realized, and the first braking belt component is in transmission connection with the second braking belt component, thereby realizing that the first braking belt component and the second braking belt component can act by one tractor 24, simplifying the structure and reducing the manufacturing cost.
Further, as shown in fig. 3 to 9, the first braking band assembly according to this embodiment includes a first braking band 8, a first braking arm 6, a first braking lever rotating shaft 35, a first connecting rod 36, and a first torsion spring 37, where the first braking arm 6 is rotatably mounted on the first braking lever rotating shaft 35 that is fixedly disposed, the first connecting rod 36 is fixed on the first braking arm 6, the first braking band 8 is rotatably mounted on the first connecting rod 36, and the first torsion spring 37 is mounted on the first braking lever rotating shaft 35 and one end of the first torsion spring is stopped on the first braking arm 6 to provide elastic force for resetting and holding the first braking arm 6.
The second braking belt assembly of the embodiment comprises a second braking belt 7, a second braking arm 29, a second braking rod rotating shaft 28, a second connecting rod 30 and a second torsion spring 27, wherein the second braking arm 29 is rotatably arranged on the second braking rod rotating shaft 28 which is fixedly arranged, the second connecting rod 30 is fixedly arranged on the second braking arm 29, the second braking belt 7 is rotatably arranged on the second connecting rod 30, the second torsion spring 27 is arranged on the second braking rod rotating shaft 28, one end of the second torsion spring 27 is stopped on the second braking arm 29, and the second torsion spring 27 is in an elastic compression state to provide elastic force for the second braking arm 29 to keep the second braking belt 7 in a clasping state.
The first brake arm 6 in this embodiment has a limit groove 603 that is abutted against the second connecting rod 30, the first brake arm 6 rotates to drive the first brake belt 8 to be released, the limit groove 603 is far away from the second connecting rod 30, the second connecting rod 30 slides along the limit groove 603 under the elastic force of the second torsion spring 27, and simultaneously drives the second brake belt 7 to be released. The limiting groove 603 of the present embodiment has a certain extension length, and may be a closed or open groove with a long groove. The second connecting rod 30 and the limiting groove 603 of this embodiment are provided with a certain gap (1-5 mm), and if no gap is left, a phenomenon that the brake band is not held tightly may occur.
The first brake arm 6 of the present 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 with the retractor 24.
The speed reducing 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 component capable of shifting the clutch sleeve 16 to reciprocate, the tractor 24 pulls the first braking band component/the second braking band component and the shifting fork component to act, the tractor 24 has a first pulling stroke for pulling the first braking band component and the second braking band component to release the braking wheel and a second pulling stroke for pulling the first braking band component and the second braking band component to release the braking wheel, and the shifting fork component shifts the clutch sleeve 16 to the engagement position.
The first brake band assembly, the second brake band assembly and the clutch mechanism of the embodiment all realize action control by the same tractor 24, thereby simplifying the whole assembly structure and reducing the manufacturing cost.
Specifically, the speed reducing mechanism according to the present 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.
Further, an external spline is arranged on the outer periphery of the input shaft 1, 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 this embodiment is provided with clutch sleeve engaging teeth at one end near the torque sleeve 17, the torque sleeve 17 is provided with torque sleeve engaging teeth at one end near 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 of the embodiment is evenly distributed on the circumference of the meshing teeth, the lower edges of the teeth are helical teeth, and the angle of the helical teeth is 0-15 degrees. In the mounted state, the direction of the helical teeth is from low to high in the dewatering direction. The clutch sleeve meshing teeth are uniformly distributed in the circumferential ring, the upper edges of the teeth are helical teeth, the helical teeth correspond to the clutch sleeve meshing teeth, and the helical tooth angle of the torque sleeve meshing teeth is 0-15 degrees. In the mounted state, the direction of the helical teeth is from high to low from the dewatering direction.
The shift fork assembly according to this embodiment includes shift fork 4, shift fork seat 14 and shift fork arm mechanism, and shift fork arm mechanism includes shift fork arm 31, shift fork arm pivot (not shown) and shift fork arm torsional spring 5, shift fork arm 31 rotatable install in the fixed shift fork arm pivot that sets up, shift fork arm torsional spring 5 install in shift fork arm pivot and one end is stopped to be used for providing elastic force reset for the shift fork arm on shift fork arm 31, shift fork arm 31 have with the trigger part 3101 that the first brake arm 6 interval of first brake area subassembly set up.
One end of the shifting fork 4 in this embodiment is limited on the periphery of the clutch sleeve 16 to shift its reciprocating motion, the middle part of the shifting fork 4 is rotatably mounted on the fork seat 14 to form a lever structure, the other end of the shifting fork 4 is abutted with the shifting fork arm 31, and the shifting fork arm 31 has an abutment portion 3102 for abutting against the shifting fork 4.
The retractor 24 of this embodiment pulls the first brake band assembly in a first traction stroke, the first brake band assembly releases the first brake band 8, the first brake band assembly drives the second brake band assembly to release the second brake band 7, and a certain interval is provided between the first brake arm 6 and the trigger portion 3101.
The tractor is positioned in a second traction stroke to pull the first brake belt assembly, the first brake belt assembly loosens the first brake belt, the first brake belt assembly drives the second brake belt assembly to loosen the second brake belt, the first brake arm is stopped against the triggering part to trigger the shifting fork arm to rotate, the shifting fork synchronously acts, and the clutch sleeve moves to be meshed with the torque shaft sleeve.
The first brake arm 6 of the present embodiment has a shift fork pulling piece 604, on which a shift fork bolt 33 is mounted, and the shift fork pulling piece 604 rotates along with the brake arm 6 to drive the shift fork bolt 33 to move toward the trigger portion 3101. The retractor 24 is in a first traction stroke, a certain interval is arranged between the shifting fork bolt 33 and the triggering part 3101, the retractor is in a second traction stroke, and the shifting fork bolt 33 is stopped at the triggering part 3101 to trigger the shifting fork arm to rotate.
The first brake arm 6 of the present embodiment simultaneously controls the first brake band 8, the second brake band 7 and the clutch sleeve 16 (washing, dehydrating clutch switching). 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, the clutch sleeve 16 does not act, and the clutch sleeve is positioned at the uppermost end. When the tractor 24 is positioned in the first stroke, a part of the first brake band 8 and a part of the second brake band 7 are pulled apart, a small gap is reserved between the brake band 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 contacts and presses the clutch sleeve 16; when the tractor 24 is positioned in the second stroke, the first brake band 8 and the second brake band 7 are completely pulled open, a larger gap exists between the brake band and the brake wheel 19, 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 that the first brake arm 6 of the present embodiment does not engage the clutch sleeve 16 with the torque sleeve 17 in the first stroke and that the clutch sleeve 16 engages with the torque sleeve 17 in the second stroke, the present embodiment may be realized by simply limiting the distance between the fork bolt 33 and the trigger portion 3101, or may be realized by having the engagement stroke between the clutch sleeve 16 and the torque sleeve 17 be greater than the distance between the 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 an end face of the torque shaft sleeve, which is close to the driving motor.
The speed reducing 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 containing 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 embodiment can rotate bidirectionally.
The casing of this embodiment includes upper end shell 11 and lower end shell 13, and both are connected and are enclosed into the inside cavity, the brake wheel 19 set up in the inside cavity of lower end shell 13, offer the brake band mounting mouth on the perisporium of lower end shell 13, one side of the fixed mounting mouth of one end of first brake band, second brake band, the other end is from the brake band mounting mouth to enter into the inside cavity inner ring of lower end shell and hold the brake wheel, stretch out by the brake band mounting mouth again and link to each other with first brake arm, second brake arm, first brake arm, second brake arm pass through first brake arm pivot 35, second brake arm pivot 28 rotatable install on lower end shell 13, also, the shift fork arm pivot of this embodiment is installed on lower end shell 13, and the shift fork pivot can be shared with first brake arm pivot 35.
The shifting fork seat 14 of the present embodiment is fixedly mounted on the bottom end cover of the lower end housing 13.
The input shaft sleeve 3 of this embodiment is sleeved with a clutch pressure spring for elastically resetting and meshing the clutch sleeve 16, and the clutch pressure spring is arranged between the clutch sleeve 16 and the bottom end surface of the lower end shell 13.
The shift fork arm 31 of the present embodiment has a shift fork arm stopper 34, and the shift fork arm stopper 34 is stopped against the lower end housing 13 to define a reset position when the shift fork arm is elastically reset.
As shown in fig. 12, the present embodiment also provides a washing machine with the speed reducing clutch device, which includes an inner tub and a pulsator disposed in the inner tub, the speed reducing mechanism includes a pulsator shaft, the pulsator shaft is fixedly connected with the pulsator, and the dehydration shaft is fixedly connected with the inner tub.
The washing machine of the embodiment further comprises an outer tub 22, a water outlet is arranged on the outer tub 22, and a water drain valve 26 for controlling the water outlet to be opened and closed is arranged at the bottom of the outer tub.
The speed reducing mechanism comprises a first braking belt assembly for braking the braking wheel in a first direction and a second braking belt assembly for braking the braking wheel in a second direction opposite to the first direction, the first braking belt assembly is in transmission connection with the second braking belt assembly, and the speed reducing clutch device comprises a tractor 24, and the tractor is connected with the first braking belt assembly/the second braking belt assembly to drive the first braking belt assembly and the second braking belt assembly to synchronously act;
the tractor is provided with a first traction stroke for traction of the first brake belt assembly and the second brake belt assembly to be loosened, the drain valve is kept closed, the first brake belt assembly and the second brake belt assembly are pulled to be loosened, the shifting fork assembly shifts the clutch sleeve to the meshing position, and the drain valve is kept open, and is kept at a second traction stroke.
The drain valve of this embodiment has a drain valve pull rod, and the retractor 24 is connected to the drain valve pull rod. The drain valve railing is connected with the tractor 24 through a tension spring, the tension spring stretches in the first traction stroke process of the tractor 24, the drain valve pull rod does not act, and the drain valve is kept in a closed state.
The embodiment also provides a control method of the washing machine, the washing machine comprises:
the first brake belt assembly and the second brake belt assembly are controlled to loosen the brake wheel to be in a free rotation state, the clutch mechanism is controlled to be separated, and the driving motor 23 is controlled to act to drive the pulsator of the washing machine to reciprocate through the speed reduction clutch device, and the inner barrel is controlled to freely rotate in a second washing process;
the first braking belt assembly and the second braking belt assembly are controlled to loosen the braking wheel to be in a free rotation state, the clutch mechanism is controlled to be engaged, and the driving motor 23 is controlled to act to drive the washing machine pulsator and the inner barrel to rotate in the same speed and the same direction through the speed reduction clutch device to dewater.
Further, the washing machine controls the tractor to be in an initial state, the first braking belt assembly and the second braking belt assembly tightly hold the braking 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 pulsator of the washing machine to reciprocate through the speed reduction clutch device so as to perform a first washing process;
the washing machine controls the action of a tractor to a first traction stroke, the tractor pulls the first brake belt assembly and the second brake belt assembly to be loosened, the brake wheel is in a free rotation state, the clutch mechanism is separated, the drain valve is kept closed, and the action of a driving motor is controlled to drive the impeller of the washing machine to reciprocate and the inner barrel to freely rotate through a speed reduction clutch device so as to perform a second washing process;
the washing machine controls the action of the tractor to the 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 meshed, the drain valve is kept on, the action of the driving motor is controlled, the impeller and the inner barrel of the washing machine are driven to run at the same speed and in the same direction through the speed reduction clutch device, and the dehydration process is carried out;
preferably, the first washing process and the second washing process may be alternatively or alternately performed in the same washing process.
The foregoing description is only illustrative of the preferred embodiment of the present invention, and is not to be construed as limiting the invention, but is to be construed as limiting the invention to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the invention, may be made by those skilled in the art without departing from the scope of the invention.
Claims (10)
1. The speed reducing clutch device of the washing machine is characterized by comprising a speed reducing mechanism, wherein the speed reducing mechanism comprises a braking wheel capable of rotating bidirectionally, a dehydration shaft fixedly connected with the braking wheel, and a braking mechanism for braking the braking wheel bidirectionally;
the braking mechanism comprises a first braking belt assembly for braking the braking wheel in a first direction and a second braking belt assembly for braking the braking wheel in a second direction opposite to the first direction, the first braking belt assembly is in transmission connection with the second braking belt assembly, and the speed reduction clutch device comprises a tractor, and the tractor is connected with the first braking belt assembly/the second braking belt assembly to drive the first braking belt assembly and the second braking belt assembly to synchronously act.
2. The speed reducing clutch device according to claim 1, wherein 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 fixedly arranged 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 to provide elastic force for resetting and holding the first brake arm;
the second braking belt assembly comprises a second braking belt, a second braking arm, a second braking rod rotating shaft, a second connecting rod and a second torsion spring, wherein the second braking arm is rotatably arranged on the second braking rod rotating shaft which is fixedly arranged, the second connecting rod is fixed on the second braking arm, the second braking belt is rotatably arranged on the second connecting rod, the second torsion spring is arranged on the second braking rod rotating shaft, one end of the second torsion spring is stopped on the second braking arm, and the second torsion spring is in an elastic compression state to provide elastic force for the second braking arm to keep the second braking belt tightly held;
the first brake arm is provided with a limit groove which is abutted against the second connecting rod, the first brake arm rotates to drive the first brake belt to be loosened, the limit groove is far away from the second connecting rod, and the second connecting rod slides along the limit groove under the elastic force of the second torsion spring and drives the second brake belt to be loosened.
3. A speed reducing clutch device according to claim 1 or claim 2, comprising a clutch mechanism comprising a reciprocatable clutch sleeve and a fork assembly for actuating the clutch sleeve in a reciprocatable manner, the retractor being operative to retract the first brake band assembly/the second brake band assembly and the fork assembly, the retractor having a first retraction stroke for retracting the first brake band assembly and the second brake band assembly to release the brake wheel and a second retraction stroke for retracting the first brake band assembly and the second brake band assembly to release the brake wheel, the fork assembly being operative to actuate the clutch sleeve to the engaged position.
4. A speed reducing clutch device according to claim 3, wherein 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 axial direction of the clutch 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 torsion spring, the shifting fork arm is rotatably arranged on the shifting fork arm rotating shaft which is fixedly arranged, the shifting fork arm torsion spring is arranged on the shifting fork arm rotating shaft, one end of the shifting fork arm torsion spring is stopped on the shifting fork arm and is used for providing elastic force for resetting for the shifting fork arm, 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 to shift the shifting fork 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 with the shifting fork arm;
the tractor is positioned in a first traction stroke to pull the first brake belt assembly, the first brake belt assembly loosens the first brake belt, the first brake belt assembly drives the second brake belt assembly to loosen the second brake belt, and a certain interval is reserved between the first brake arm and the triggering part;
the tractor is positioned in a second traction stroke to pull the first brake belt assembly, the first brake belt assembly loosens the first brake belt, the first brake belt assembly drives the second brake belt assembly to loosen the second brake belt, the first brake arm is stopped against the triggering part to trigger the shifting fork arm to rotate, the shifting fork synchronously acts, and the clutch sleeve moves to be meshed with the torque shaft sleeve.
5. The speed reducing clutch device according to any one of claims 1-2, further comprising a housing having an interior chamber, the brake wheel being disposed within the interior chamber of the housing, the brake wheel including a brake wheel body having an open receiving chamber and a brake wheel axle fixedly connected to an open end of the brake body, the brake wheel axle and the housing having a bidirectional rotary bearing disposed therebetween.
6. A washing machine having a speed reducing clutch device as claimed in any one of claims 1 to 5, comprising an inner tub and a pulsator disposed in the inner tub, wherein the speed reducing mechanism comprises a pulsator shaft 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 drain opening thereon, the drain valve controlling the opening and closing of the drain opening being installed at the bottom of the outer tub;
the tractor is provided with a first traction stroke for traction of the first brake belt assembly and the second brake belt assembly to be loosened, the drain valve is kept closed, the first brake belt assembly and the second brake belt assembly are pulled to be loosened, the shifting fork assembly shifts the clutch sleeve to the meshing position, and the drain valve is kept open, and is kept at a second traction stroke.
8. A control method of a washing machine as claimed in claim 6 or 7, wherein the washing machine comprises:
the first braking belt assembly and the second braking belt assembly are controlled to tightly hold the braking wheel in a braking state, the clutch mechanism is separated, and the driving motor is controlled to act to drive the first washing process of the reciprocating operation of the pulsator of the washing machine through the speed reduction clutch device;
the first braking belt assembly and the second braking belt assembly are controlled to loosen the braking 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 pulsator of the washing machine to reciprocate through the speed reduction clutch device, and the inner barrel is controlled to freely rotate in a second washing process;
the first braking belt assembly and the second braking belt assembly are controlled to loosen the braking wheel to be in a free rotation state, the clutch mechanism is controlled to be engaged, and the driving motor is controlled to act to drive the pulsator and the inner barrel of the washing machine to rotate in the same speed and 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 first braking belt assembly and the second braking belt assembly hugs the braking 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 pulsator of the washing machine to reciprocate through the speed reduction clutch device so as to perform the first washing process;
the washing machine controls the action of a tractor to a first traction stroke, the tractor pulls the first brake belt assembly and the second brake belt assembly to be loosened, the brake wheel is in a free rotation state, the clutch mechanism is separated, the drain valve is kept closed, and the action of a driving motor is controlled to drive the impeller of the washing machine to reciprocate and the inner barrel to freely rotate through a speed reduction clutch device so as to perform a second washing process;
the washing machine controls the action of the tractor to the 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 meshed, the drain valve is kept on, the driving motor is controlled to act, the impeller and the inner barrel of the washing machine are driven to run at the same speed and in the same direction through the speed reduction clutch device, and the dehydration process is carried out.
10. The control method of a washing machine as claimed in claim 9, wherein the first washing process and the second washing process are 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 |
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| 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 CN113062084A (en) | 2021-07-02 |
| CN113062084B true CN113062084B (en) | 2024-01-12 |
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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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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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