CN113957668B - 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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- CN113957668B CN113957668B CN202010699580.3A CN202010699580A CN113957668B CN 113957668 B CN113957668 B CN 113957668B CN 202010699580 A CN202010699580 A CN 202010699580A CN 113957668 B CN113957668 B CN 113957668B
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- 238000005406 washing Methods 0.000 title claims abstract description 154
- 238000000034 method Methods 0.000 title claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 230000008569 process Effects 0.000 claims abstract description 19
- 238000003756 stirring Methods 0.000 claims abstract description 11
- 238000003825 pressing Methods 0.000 claims description 73
- 230000005540 biological transmission Effects 0.000 claims description 46
- 230000009467 reduction Effects 0.000 claims description 30
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 230000007704 transition Effects 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 abstract description 3
- 230000002457 bidirectional effect Effects 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 210000001503 joint Anatomy 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
- 230000004438 eyesight Effects 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
Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/30—Driving arrangements
- D06F37/40—Driving arrangements for driving the receptacle and an agitator or impeller, e.g. alternatively
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The invention provides a speed reducing clutch device of a washing machine, the washing machine and a control method thereof, wherein the speed reducing clutch device of the washing machine comprises a clutch mechanism, the clutch mechanism comprises a clutch sleeve capable of performing clutch switching in a reciprocating motion and a clutch driving device for driving the clutch sleeve to move, the clutch driving device comprises a sliding component, a lifting component and a shifting fork component, the lifting component is abutted with the sliding component, the shifting fork component is abutted with the lifting component, and the lifting component ascends/descends in the reciprocating sliding process of the sliding component to drive the shifting fork component to stir the clutch sleeve to move. According to the clutch driving device of the speed reducing clutch device, the lifting assembly is driven to lift and drive the shifting fork assembly to shift the clutch sleeve to move in a sliding mode of the sliding assembly, so that the accuracy of the shifting fork is greatly improved, the reliability is high, and the whole structure is simple.
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 patent of the invention, entitled a transmission mechanism for producing bi-directional rotation, a washing machine and method for producing bi-directional washing, and related inner tub and agitator, discloses a transmission 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 an 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 addition, in a mode of switching a plurality of washing modes of the washing machine by adopting the speed reduction clutch device, because the clutch mechanism of the speed reduction clutch device is required to be respectively kept in the engaged state corresponding to the plurality of washing modes, the engaged state corresponding to the plurality of washing modes is realized by adopting the multi-stroke motor to drive the clutch mechanism in the prior art, but the multi-stroke motor cannot lock the clutch mechanism, and the stability of the engagement of the clutch mechanism is poor.
In view of this, the present invention has been made.
Disclosure of Invention
The invention provides a first improving eyesight improving driving mode of a clutch mechanism of the traditional speed reducing clutch device, which has simpler structure, better stability of the engagement state of the clutch mechanism and can realize more washing working conditions, and concretely adopts the following technical scheme:
The clutch mechanism comprises a clutch sleeve capable of performing clutch switching in a reciprocating mode and a clutch driving device for driving the clutch sleeve to move, wherein the clutch driving device comprises a sliding component, a lifting component and a shifting fork component, the lifting component is in butt joint with the sliding component, the shifting fork component is in butt joint with the lifting component, and the lifting component ascends/descends in the reciprocating sliding process of the sliding component to drive the shifting fork component to stir the clutch sleeve to move.
Further, the sliding component comprises a sliding part capable of sliding in a reciprocating manner, the sliding part is provided with a plurality of sliding pressing surfaces, and in the reciprocating sliding process of the sliding part, each sliding pressing surface is respectively abutted against the lifting component, and the lifting component drives the shifting fork component to shift the clutch sleeve to move to each meshing position.
Further, the clutch mechanism comprises a torque transmission shaft sleeve and a fixed sleeve, and the clutch sleeve is positioned between the torque transmission shaft sleeve and the fixed sleeve;
The sliding piece is provided with a first sliding pressing surface, a second sliding pressing surface and a third sliding pressing surface, wherein the pressing strokes of the first sliding pressing surface, the second sliding pressing surface and the third sliding pressing surface are sequentially increased:
The first sliding pressing surface is abutted to the lifting component, the lifting component drives the shifting fork component to stir the clutch sleeve to be meshed with the torque transmission shaft sleeve for transmission, the second sliding pressing surface is abutted to the lifting component, the lifting component drives the shifting fork component to stir the clutch sleeve to be separated from the torque transmission shaft sleeve and the fixed sleeve, the third sliding pressing surface is abutted to the lifting component, and the lifting component drives the shifting fork component to stir the clutch sleeve to be meshed with the fixed sleeve for transmission.
Further, the sliding assembly comprises a traction motor and a support piece fixedly arranged, the sliding piece is slidably arranged on the support piece, the traction motor is used for dragging the sliding piece to slide on the support piece, a first elastic piece is arranged between the sliding piece and the support piece, and compression deformation is generated when the traction motor is used for dragging the sliding piece to slide so as to drive the sliding piece to slide and reset along the direction opposite to the traction direction.
Further, the support piece is provided with a chute which extends for a certain length, one end of the chute is open, and the other end of the chute is closed; the sliding piece is provided with a sliding block which is slidably arranged in the sliding groove, and the first elastic piece is a compression spring which is arranged between the closed end of the sliding groove and the sliding block.
Further, the shifting fork assembly comprises a shifting fork and a shifting fork seat, the middle part of the shifting fork is rotatably arranged on the shifting fork seat which is fixedly arranged, and the shifting fork is provided with a driving end which is abutted with the lifting assembly and a fork connecting end which is used for shifting the clutch sleeve to move;
the lifting assembly comprises a lifting rod, one end of the lifting rod is abutted against the sliding pressing surface of the sliding piece, and the other end of the lifting rod is abutted against the driving end of the shifting fork;
preferably, one end of the lifting rod, which is abutted against the sliding pressing surface, is provided with a sliding matching surface which is obliquely arranged, and the sliding matching surface is respectively in sliding fit with a transition surface between the first sliding pressing surface and the second sliding pressing surface and a transition surface between the second sliding pressing surface and the third sliding pressing surface in the sliding process of the sliding piece.
Further, the lifting assembly comprises a lifting seat fixedly arranged, the lifting seat is provided with a lifting seat hole, one end of the lifting rod is abutted against the sliding pressing surface of the sliding part, the other end of the lifting rod passes through the lifting seat hole and is abutted against the driving end of the shifting fork, a second elastic part is arranged between the lifting seat and the lifting rod, and compression deformation of the second elastic part is generated when the sliding part slides and presses the lifting rod to generate elastic force acting on the lifting rod to enable the lifting rod to keep contact with the sliding pressing surface of the sliding part;
Further preferably, the lifting seat comprises a bracket and a sleeve, wherein a hollow lifting seat hole is formed in the sleeve, one end of the bracket is fixedly connected with the sleeve, and the other end of the bracket is fixedly connected to a supporting piece of the sliding assembly;
Preferably, the sleeve is arranged below the chute of the support member, and the bracket comprises a first connecting arm and a second connecting arm which are fixedly arranged at two sides of the central axis of the chute;
still further preferably, the bracket and the sleeve are integrally formed, and/or the bracket and the support are integrally formed.
The second object of the present invention is to provide a washing machine with more washing conditions, in particular, the following technical scheme is adopted:
The washing machine with the speed reducing clutch device comprises a speed reducing mechanism, wherein the speed reducing mechanism comprises an input shaft, an input shaft sleeve sleeved on the input shaft, an output shaft and an output shaft sleeve sleeved on the output shaft, and the clutch sleeve is axially and slidably arranged on the input shaft sleeve;
the washing machine comprises an inner barrel and a pulsator arranged in the inner barrel, wherein the output shaft is fixedly connected with the pulsator, and the output shaft sleeve is fixedly connected with the inner barrel.
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 a washing machine, the washing machine including a driving motor for driving a speed reducing clutch device, the control method comprising: the washing machine controls the sliding component of the clutch driving device to slide reciprocally, and the lifting component drives the shifting fork component to shift the clutch sleeve to move to each engagement position in the process of sliding the sliding component reciprocally, so that each washing working condition of the washing machine is realized.
Further, the washing machine comprises a driving motor for driving a speed reduction clutch device, the clutch mechanism comprises a torque transmission shaft sleeve capable of rotating synchronously with an input shaft and a fixed sleeve fixedly arranged, the clutch sleeve is positioned between the torque transmission shaft sleeve and the fixed sleeve, the speed reduction mechanism comprises a braking wheel capable of rotating in two directions, and the input shaft sleeve and the output shaft sleeve are respectively fixedly connected with the braking wheel:
The washing machine controls the clutch driving device to drive the clutch sleeve to be meshed and fixed with the fixed sleeve, the brake wheel is in a braking state, and controls the driving motor 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 clutch driving device is controlled to drive the clutch sleeve to be separated from the fixed sleeve and not meshed and fixed with the torque transmission shaft sleeve, the brake wheel is in a free rotation state, and the driving motor is controlled to act to drive the pulsator of the washing machine to reciprocate and the inner barrel to freely rotate through the speed reduction clutch device so as to carry out a second washing process;
The clutch driving device is controlled to drive the clutch sleeve to be meshed and fixed with the torque transmission shaft sleeve, the brake wheel is synchronously linked with the input shaft, and the driving motor is controlled to act to drive the washing machine impeller and the inner barrel to run in the same speed and the same direction through the speed reduction clutch device.
According to the clutch driving device of the speed reduction clutch device, the sliding component slides in a reciprocating manner, the sliding component abuts against the lifting component to drive the lifting component to ascend/descend, and the lifting component abuts against the shifting fork component to drive the shifting fork component to move up and down to shift the clutch sleeve for meshing. According to the invention, the lifting assembly is driven to lift by the sliding assembly to drive the shifting fork assembly to shift the clutch sleeve to move, so that the accuracy of the shifting fork is greatly improved, the reliability is high, and the whole structure is simple.
The speed reducing clutch device of the invention can provide a plurality of 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 an overall assembly view 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 an overall assembly view of a clutch driving device according to an embodiment of the present invention;
FIG. 4 is a bottom view of the clutch driving device of the embodiment of the present invention;
FIG. 5 is an overall assembly view of a slide assembly and a lift assembly according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view of an embodiment of the present invention assembled with a lift assembly;
FIG. 7 is a schematic perspective view of a support member of a slide assembly according to an embodiment of the present invention;
FIG. 8 is a schematic perspective view of a slider of a slide assembly according to an embodiment of the present invention;
fig. 9 is a front view of a lifter bar of a lifter assembly according to an embodiment of the present invention.
Reference numerals in the drawings illustrate: 1-an output shaft 2-an output shaft sleeve 3-an upper end shell 4-a brake rod 5-a lower end shell 6-a shifting fork seat 7-a brake belt 8-a fixed sleeve 9-a clutch sleeve 10-a torque transmission shaft sleeve 11-an input shaft 12-a motor fastening nut 13-an input shaft sleeve 14-a shifting fork 15-a clutch driving device 16-a brake rod torsion spring 17-a fork connection end 18-a driving end 19-a traction rope 20-a traction motor 21-a supporting piece 22-a sliding piece 23-a lifting rod 24-a first elastic piece 25-a second elastic piece 26-a first sliding pressing surface 27-a second sliding pressing surface 28-a third sliding pressing surface 29-a limiting groove 30-a sleeve 31-a sliding groove 32-a first connecting arm 33-a second connecting arm 34-a clamping groove 35-a sliding matching surface.
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. 1-9, the present embodiment provides a speed reducing clutch device of a washing machine, which includes a clutch mechanism, the clutch mechanism includes a clutch sleeve 9 capable of performing clutch switching in a reciprocating motion and a clutch driving device 15 for driving the clutch sleeve 9 to move, the clutch driving device 15 includes a sliding component, a lifting component abutted to the sliding component, and a shifting fork component abutted to the lifting component, the sliding component slides reciprocally, and the lifting component rises/falls in the process of sliding reciprocally to drive the shifting fork component to shift the clutch sleeve to move.
The clutch driving device 15 of the speed reducing clutch device of the embodiment drives the lifting assembly to ascend/descend by the sliding assembly in a propping way, and the lifting assembly drives the shifting fork assembly to move up and down to shift the clutch sleeve for meshing. According to the embodiment, the lifting assembly is driven to lift by the sliding assembly to drive the shifting fork assembly to shift the clutch sleeve to move, so that the accuracy of the shifting fork is greatly improved, the reliability is high, and the whole structure is simple.
As an implementation manner of the embodiment, the lifting component of the embodiment can be abutted under the sliding component, the sliding component is lowered in the sliding process, and the lifting component is used for pressing the shifting fork component to dial the clutch sleeve upwards; the sliding component reversely slides and resets, the lifting component is not pressed up and resets any more, the shifting fork component resets, and the clutch sleeve moves downwards.
As another implementation manner of the embodiment, the lifting assembly of the embodiment can also be abutted above the sliding assembly, and the lifting assembly is lifted up in the sliding process of the sliding assembly, and the lifting assembly is lifted up to dial up the clutch sleeve by the lifting assembly; the sliding component reversely slides to reset, the lifting component descends to reset, the shifting fork component resets, and the clutch sleeve moves downwards.
In the two embodiments of this embodiment, different shift fork assemblies are required according to the movement characteristics of the sliding assembly and the lifting assembly, for example, if a pressing-down mode is adopted, the middle part of the shift fork assembly is a rotation fulcrum, and an ejecting mode is adopted, one end of the shift fork assembly is a rotation fulcrum, the other end of the shift fork assembly is engaged with the clutch sleeve 9, and the lifting assembly is abutted against the middle part of the shift fork.
For convenience of further detailed description of the inventive concept, the present invention will be described by taking a clutch driving manner of the sliding assembly pressing down the lifting assembly as an example.
As shown in fig. 3 to 6, the sliding assembly according to the present embodiment includes a sliding member 22 capable of sliding reciprocally, the sliding member 22 has a plurality of sliding pressing surfaces, and during the sliding process of the sliding member 22, each sliding pressing surface abuts against the lifting assembly, and the lifting assembly drives the fork assembly to shift the clutch sleeve to each engagement position.
According to the embodiment, the lifting assembly is respectively pressed down by the sliding downward pressing surfaces of the sliding piece 22 in the sliding process of the sliding piece, the clutch sleeve is driven to move by the driving shifting fork assembly, the clutch driving device is simple and accurate in mode of switching the engagement state by the clutch sleeve, and when the sliding piece 22 reaches the determined position of the lifting assembly pressed down by the sliding downward pressing surfaces, the downward pressing position of the lifting assembly can be continuously kept, and the engagement state of the clutch sleeve is more stable.
Further, as a preferred implementation manner of the present embodiment, the clutch mechanism of the present embodiment includes a torque transmission sleeve 10 and a fixing sleeve 8, and the clutch sleeve 9 is located between the torque transmission sleeve 10 and the fixing sleeve 8.
The slide 22 has a first slide pressing surface 26, a second slide pressing surface 27 and a third slide pressing surface 28 with successively increasing pressing strokes:
The first sliding pressing surface 26 is abutted to the lifting component, the lifting component drives the shifting fork component to shift the clutch sleeve 9 to be in meshed transmission with the torque transmission shaft sleeve 10, the second sliding pressing surface 27 is abutted to the lifting component, the lifting component drives the shifting fork component to shift the clutch sleeve 9 to be separated from the torque transmission shaft sleeve 10 and the fixed sleeve 8, the third sliding pressing surface 28 is abutted to the lifting component, and the lifting component drives the shifting fork component to shift the clutch sleeve 9 to be in meshed transmission with the fixed sleeve 8.
The speed reducing clutch device of the present embodiment realizes three engagement states of the inner clutch cover 9 through the pressing strokes of the first sliding pressing surface 26, the second sliding pressing surface 27 and the third sliding pressing surface 28 of the sliding member 22, thereby realizing three washing conditions of the washing machine:
the clutch sleeve 9 and the fixed sleeve 8 of the washing machine are meshed and fixed, the brake wheel is in a braking state, 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 clutch sleeve of the washing machine is separated from the torque transmission shaft sleeve 10 and the fixed sleeve 8, the brake wheel is in a free rotation state, and the action of the driving motor is controlled to drive the impeller of the washing machine to reciprocate and the inner barrel to freely rotate through the speed reduction clutch device so as to carry out a second washing process;
the clutch sleeve 9 of the washing machine is meshed with the fixed sleeve 8 for fixation, the brake wheel is synchronously linked with the input shaft, and the action of the driving motor is controlled to drive the dewatering process of the impeller and the inner barrel of the washing machine to run in the same speed and the same direction through the speed reduction clutch device.
In order to realize the reciprocating sliding of the sliding member 22, the sliding assembly according to the present embodiment includes a traction motor 20 and a fixedly disposed supporting member 21, the sliding member 22 is slidably disposed on the supporting member 21, the traction motor 20 pulls the sliding member 22 to slide on the supporting member 21, a first elastic member 25 is disposed between the sliding member 22 and the supporting member 21, and the first elastic member 25 generates an elastic force for driving the sliding member 22 to slide in a direction opposite to the traction direction when the traction motor 20 pulls the sliding member 22 to slide.
The sliding member 22 of the present embodiment has a clamping groove 34, and the traction motor 20 is fixedly connected in the clamping groove 34 through the traction rope 19.
In order to ensure stable sliding of the slider 22 along a determined path, the support 21 of the present embodiment has a chute 31 extending for a certain length, one end of the chute 31 being open and one end being closed; the sliding member 22 has a sliding block slidably disposed in the sliding slot, and the first elastic member 25 is a compression spring disposed between the closed end of the sliding slot 31 and the sliding block.
The sliding block of the sliding member 22 of the present embodiment can be installed into the sliding slot 31 along the open end of the sliding slot 31, and can slide reciprocally along the sliding slot 31.
In order to realize the cooperation between the lifting assembly and the shifting fork assembly, the shifting fork assembly in this embodiment comprises a shifting fork 14 and a shifting fork seat 6, the middle part of the shifting fork 14 is rotatably installed on the fixed shifting fork seat 6, and the shifting fork 14 is provided with a driving end 18 which is abutted with the lifting assembly and a fork connection end 17 which is used for shifting the clutch sleeve 9 to move.
The lifting assembly according to the present embodiment includes a lifting rod 23, one end of the lifting rod 23 abuts against the sliding pressing surface of the sliding member 22, and the other end abuts against the driving end of the fork 14.
Preferably, as shown in fig. 9, an end of the lifting rod 23 abutting against the sliding pressing surface is provided with a sliding matching surface 35 which is obliquely arranged, and the sliding matching surface 35 is respectively in sliding fit with a transition surface between the first sliding pressing surface and the second sliding pressing surface and a transition surface between the second sliding pressing surface and the third sliding pressing surface in the sliding process of the sliding piece. In this way, the lifting rod 23 can slide between the sliding pressing surfaces more conveniently, and the clutch switching process is smoother.
In order to realize lifting installation of the lifting rod 23, the lifting assembly of the embodiment comprises a lifting seat fixedly arranged, wherein the lifting seat is provided with a lifting seat hole, one end of the lifting rod 23 is abutted against a sliding pressing surface of the sliding piece 22, the other end of the lifting rod is abutted against the driving end 18 of the shifting fork 14 through the lifting seat hole, a second elastic piece 24 is arranged between the lifting seat and the lifting rod 23, and compression deformation of the second elastic piece 24 generates an elastic force acting on the lifting rod 23 when the sliding piece 22 slides and presses the lifting rod 23 so as to keep contact with the sliding pressing surface of the sliding piece 22. In this way, on the one hand, the lifting rod 23 can be held in abutment with the sliding depression surface of the slider 22, so that the clutch sleeve 9 is held in a defined engagement state; on the other hand, during the sliding return of the slider 22, the second elastic member 24 acts on the lifting lever 23 to raise and return the same.
Further preferably, the lifting seat comprises a bracket and a sleeve 30, wherein a hollow lifting seat hole is formed in the sleeve 30, one end of the bracket is fixedly connected with the sleeve 30, and the other end of the bracket is fixedly connected with the support piece 21 of the sliding assembly.
Preferably, the sleeve 30 is disposed below the chute 31 of the support 21, and the bracket includes a first connecting arm 32 and a second connecting arm 33 fixedly disposed at both sides of the central axis of the chute 31.
Still further preferably, the bracket and the sleeve are integrally formed, and/or the bracket and the support are integrally formed.
In addition, the second elastic member 24 in this embodiment is a compression spring, and a limit groove 29 for installing one end of the compression spring is provided on one end of the lifting rod 23 near the sliding member 22, and the other end of the compression spring abuts against the sleeve 30.
In the embodiment, the sliding component and the lifting component are integrated into a whole, so that the whole structure and the installation are simplified.
The embodiment also provides a washing machine with the speed reduction clutch device, the speed reduction clutch device comprises a speed reduction mechanism, the speed reduction mechanism comprises an input shaft, an input shaft sleeve sleeved on the input shaft, an output shaft and an output shaft sleeve sleeved on the output shaft, and the clutch sleeve is axially and slidably arranged on the input shaft sleeve; the washing machine comprises an inner barrel and a pulsator arranged in the inner barrel, wherein the output shaft is fixedly connected with the pulsator, and the output shaft sleeve is fixedly connected with the inner barrel.
Further, the washing machine of this embodiment still includes the outer bucket, has the outlet on the outer bucket, and the drain valve of outer bucket bottom installation control outlet switching and the drain motor of pulling drain valve action, and the speed reduction clutch of washing machine includes the brake wheel, sets up brake band 4 on the periphery of brake wheel, and brake bar 7 is connected to one end of brake band 4, sets up brake bar torsional spring 16 on the brake bar 7, drain motor still connect brake bar 7.
The drainage motor of this embodiment has two strokes: the water draining motor is pulled to a first stroke, the brake rod 7 is pulled to a first stroke, the brake belt 4 is loosened, the brake wheel is not braked, and the water draining valve does not act (does not drain); the drainage motor is pulled for a second stroke, the brake rod and the drainage valve are pulled, the brake wheel is not braked, and the drainage valve drains water.
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 a washing machine, the washing machine including a driving motor for driving a deceleration clutch device, the control method including: the washing machine controls the sliding component of the clutch driving device to slide reciprocally, and the lifting component drives the shifting fork component to shift the clutch sleeve to move to each engagement position in the process of sliding the sliding component reciprocally, so that each washing working condition of the washing machine is realized.
Further, the washing machine comprises a driving motor for driving a speed reduction clutch device, the clutch mechanism comprises a torque transmission shaft sleeve capable of rotating synchronously with an input shaft and a fixed sleeve fixedly arranged, the clutch sleeve is positioned between the torque transmission shaft sleeve and the fixed sleeve, the speed reduction mechanism comprises a braking wheel capable of rotating in two directions, and the input shaft sleeve and the output shaft sleeve are respectively fixedly connected with the braking wheel:
The washing machine controls the clutch driving device to drive the clutch sleeve to be meshed and fixed with the fixed sleeve, the brake wheel is in a braking state, and controls the driving motor 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 clutch driving device is controlled to drive the clutch sleeve to be separated from the fixed sleeve and not meshed and fixed with the torque transmission shaft sleeve, the brake wheel is in a free rotation state, and the driving motor is controlled to act to drive the pulsator of the washing machine to reciprocate and the inner barrel to freely rotate through the speed reduction clutch device so as to carry out a second washing process;
The clutch driving device is controlled to drive the clutch sleeve to be meshed and fixed with the torque transmission shaft sleeve, the brake wheel is synchronously linked with the input shaft, and the driving motor is controlled to act to drive the washing machine impeller and the inner barrel to run in the same speed and the same direction through the speed reduction clutch device.
Further, the control method of the present embodiment includes:
The washing machine controls the traction motor 20 to be at the initial position, and the lifting rod 23 is abutted on the first sliding pressing surface 26 of the sliding piece 22: the shifting fork 14 is positioned at the dewatering side, the upper teeth of the clutch sleeve 9 are meshed with the teeth of the torque transmission shaft sleeve 10, and the state of dewatering is realized; at this time, the drain motor is pulled out by the second stroke, and the brake lever 4 and the drain valve are pulled out.
The washing machine controls the traction motor 20 to draw the sliding part 22 to move until the lifting rod 23 is abutted on the second sliding pressing surface 27 of the sliding part 22, the shifting fork 14 is positioned between the torque transmission shaft sleeve 10 and the fixed sleeve 8, and the upper teeth and the lower teeth of the clutch sleeve 9 and the teeth of the torque transmission shaft sleeve 10 and the fixed sleeve 8 are in a separated state. At this time, the drain motor is pulled out by the first stroke, the brake lever is pulled out, and the drain valve does not act (does not drain).
The clothes machine controls the traction motor 20 to traction the sliding part 22 to move until the lifting rod 23 is abutted on the third sliding pressing surface 28 of the sliding part 22, the shifting fork 14 is positioned at the upper part, and the teeth of the clutch sleeve 9 are meshed with the teeth of the fixed sleeve 8 (separated from the teeth of the torque transmission sleeve 10), so that the clothes machine is in a normal washing state. At this time, the drain motor is not pulled out, and the brake lever and the drain valve are not operated (do not drain).
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 clutch driving device is controlled to drive the clutch sleeve to be meshed and fixed with the fixed sleeve, the input shaft sleeve 3 is locked, the brake wheel is also locked, and the clutch device is decelerated to singly drive the washing mode of the rotation of the impeller; the clutch driving device is controlled to drive the clutch sleeve to be separated from the fixed sleeve and not meshed and fixed with the torque transmission shaft sleeve, the input shaft sleeve 3 is unlocked, the brake wheel can rotate bidirectionally and freely along with the input shaft sleeve, and the speed reduction clutch device drives the impeller to rotate in a single mode and the inner barrel rotates 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.
In order to realize the fixed setting of fixed cover 8, this embodiment speed reduction clutch device includes the casing that has the inside cavity, the brake wheel setting be in the inside cavity of casing, have the casing entry that is used for input shaft sleeve 13 to pass on the casing, fixed cover 8 including fixing on the casing and being located the annular body of casing entry periphery, set up the washing meshing tooth on the annular body, clutch cover 9 on be close to the one end of fixed cover 8 and set up the meshing tooth, clutch cover 9 go up the meshing tooth with fixed cover 8's washing meshing tooth meshing locking input shaft sleeve 13.
The outer periphery of the input shaft 11 in this embodiment is provided with external splines, the torque transmission shaft sleeve 10 is provided with internal splines, the internal splines of the torque transmission shaft sleeve 10 are embedded with the external splines of the input shaft 11, and the torque transmission shaft sleeve 10 rotates synchronously with the input shaft 11.
The input shaft 11 of this embodiment is sleeved with a motor lock nut 12 for fixedly connecting the input shaft with a rotor of a driving motor, and a buffer pad is disposed on an end face of the torque transmission shaft sleeve 10, 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 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, so that the brake wheel of the embodiment can rotate bidirectionally.
The housing of this embodiment includes upper end shell 3 and lower end shell 5, and both are connected and enclose into inside cavity, the brake wheel set up in the inside cavity of lower end shell 5, shift fork seat 6 of this embodiment fixed mounting is on the bottom end cover of lower end shell 5.
The input shaft sleeve 13 of this embodiment is sleeved with a clutch pressure spring for elastically resetting and meshing the clutch sleeve 9, and the clutch pressure spring is arranged between the clutch sleeve 9 and the bottom end surface of the lower end shell 5.
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 (12)
1. The clutch mechanism comprises a clutch sleeve capable of performing clutch switching in a reciprocating manner and a clutch driving device for driving the clutch sleeve to move, wherein the clutch driving device comprises a sliding component, a lifting component and a shifting fork component, the lifting component is abutted with the sliding component, the shifting fork component is abutted with the lifting component, and the lifting component ascends/descends in the reciprocating sliding process of the sliding component to drive the shifting fork component to stir the clutch sleeve to move;
The sliding component comprises a sliding part capable of sliding in a reciprocating manner, the sliding part is provided with a plurality of sliding pressing surfaces, the sliding pressing surfaces are respectively abutted against the lifting component in the reciprocating sliding process of the sliding part, the lifting component drives the shifting fork component to stir the clutch sleeve to move to each engagement position, the lifting component comprises a lifting rod, one end of the lifting rod is abutted against the sliding pressing surfaces of the sliding part, and the other end of the lifting rod is abutted against the driving end of the shifting fork;
The clutch mechanism comprises a torque transmission shaft sleeve and a fixed sleeve, and the clutch sleeve is positioned between the torque transmission shaft sleeve and the fixed sleeve;
The sliding piece is provided with a first sliding pressing surface, a second sliding pressing surface and a third sliding pressing surface, wherein the pressing strokes of the first sliding pressing surface, the second sliding pressing surface and the third sliding pressing surface are sequentially increased:
The first sliding pressing surface is abutted to the lifting component, the lifting component drives the shifting fork component to stir the clutch sleeve to be meshed with the torque transmission shaft sleeve for transmission, the second sliding pressing surface is abutted to the lifting component, the lifting component drives the shifting fork component to stir the clutch sleeve to be separated from the torque transmission shaft sleeve and the fixed sleeve, the third sliding pressing surface is abutted to the lifting component, and the lifting component drives the shifting fork component to stir the clutch sleeve to be meshed with the fixed sleeve for transmission.
2. The speed reducing clutch device according to claim 1, wherein the sliding assembly comprises a traction motor and a fixedly arranged supporting member, the sliding member is slidably arranged on the supporting member, the traction motor pulls the sliding member to slide on the supporting member, a first elastic member is arranged between the sliding member and the supporting member, and compression deformation of the first elastic member generates an elastic force for driving the sliding member to slide back along a direction opposite to the traction direction when the traction motor pulls the sliding member to slide.
3. The speed reducing clutch device according to claim 2, wherein the support member has a chute extending a certain length, one end of the chute being open and one end being closed; the sliding piece is provided with a sliding block which is slidably arranged in the sliding groove, and the first elastic piece is a compression spring which is arranged between the closed end of the sliding groove and the sliding block.
4. The speed reducing clutch device according to claim 2, wherein the shifting fork assembly comprises a shifting fork and a shifting fork seat, the middle part of the shifting fork is rotatably arranged on the fixed shifting fork seat, and the shifting fork is provided with a driving end propped against the lifting assembly and a fork joint end for shifting the clutch sleeve.
5. The speed reducing clutch device according to claim 4, wherein one end of the lifting rod, which is abutted against the sliding pressing surface, is provided with a sliding matching surface which is obliquely arranged, and the sliding matching surface is respectively in sliding fit with a transition surface between the first sliding pressing surface and the second sliding pressing surface and a transition surface between the second sliding pressing surface and the third sliding pressing surface in the sliding process of the sliding piece.
6. The clutch device according to claim 4 or 5, wherein the lifting assembly comprises a lifting seat fixedly arranged, the lifting seat is provided with a lifting seat hole, one end of the lifting rod is abutted against the sliding pressing surface of the sliding member, the other end of the lifting rod passes through the lifting seat hole to be abutted against the driving end of the shifting fork, a second elastic member is arranged between the lifting seat and the lifting rod, and compression deformation of the second elastic member when the sliding member slides and presses the lifting rod generates an elastic force acting on the lifting rod to keep the lifting rod in contact with the sliding pressing surface of the sliding member.
7. The speed reducing clutch device according to claim 6, wherein the lifting seat comprises a bracket and a sleeve, the sleeve is internally provided with a hollow lifting seat hole, one end of the bracket is fixedly connected with the sleeve, and the other end of the bracket is fixedly connected with the support piece of the sliding component.
8. The speed reducing clutch device according to claim 7, wherein the sleeve is disposed under the chute of the support member, and the bracket includes a first connecting arm and a second connecting arm fixedly disposed on both sides of a central axis of the chute.
9. A speed reducing clutch according to claim 8, wherein the carrier and sleeve are integrally formed and/or the carrier and support are integrally formed.
10. A washing machine having a speed reducing clutch device according to any one of claims 1 to 5, wherein the speed reducing clutch device comprises a speed reducing mechanism, the speed reducing mechanism comprises an input shaft, an input shaft sleeve sleeved on the input shaft, an output shaft and an output shaft sleeve sleeved on the output shaft, and the clutch sleeve is axially slidably arranged on the input shaft sleeve;
the washing machine comprises an inner barrel and a pulsator arranged in the inner barrel, wherein the output shaft is fixedly connected with the pulsator, and the output shaft sleeve is fixedly connected with the inner barrel.
11. A control method of a washing machine as claimed in claim 10, wherein the washing machine includes a driving motor for driving the speed reducing clutch device, the control method comprising: the washing machine controls the sliding component of the clutch driving device to slide reciprocally, and the lifting component drives the shifting fork component to shift the clutch sleeve to move to each engagement position in the process of sliding the sliding component reciprocally, so that each washing working condition of the washing machine is realized.
12. The control method according to claim 11, wherein the washing machine comprises a driving motor for driving a speed reducing clutch device, the clutch mechanism comprises a torque transmission shaft sleeve capable of rotating synchronously with the input shaft and a fixed sleeve fixedly arranged, the clutch sleeve is positioned between the torque transmission shaft sleeve and the fixed sleeve, the speed reducing mechanism comprises a braking wheel capable of rotating bidirectionally, and the input shaft sleeve and the output shaft sleeve are fixedly connected with the braking wheel respectively:
The washing machine controls the clutch driving device to drive the clutch sleeve to be meshed and fixed with the fixed sleeve, the brake wheel is in a braking state, and controls the driving motor 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 clutch driving device is controlled to drive the clutch sleeve to be separated from the fixed sleeve and not meshed and fixed with the torque transmission shaft sleeve, the brake wheel is in a free rotation state, and the driving motor is controlled to act to drive the pulsator of the washing machine to reciprocate and the inner barrel to freely rotate through the speed reduction clutch device so as to carry out a second washing process;
The clutch driving device is controlled to drive the clutch sleeve to be meshed and fixed with the torque transmission shaft sleeve, the brake wheel is synchronously linked with the input shaft, and the driving motor is controlled to act to drive the washing machine impeller and the inner barrel to run in the same speed and the same direction through the speed reduction clutch device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010699580.3A CN113957668B (en) | 2020-07-20 | 2020-07-20 | Deceleration clutch device of washing machine, washing machine and control method of deceleration clutch device |
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| CN202010699580.3A CN113957668B (en) | 2020-07-20 | 2020-07-20 | Deceleration clutch device of washing machine, washing machine and control method of deceleration clutch device |
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