CN112210962B

CN112210962B - Speed reduction clutch and washing machine

Info

Publication number: CN112210962B
Application number: CN201910550437.5A
Authority: CN
Inventors: 刘尊安; 张刚金; 吕佩师; 宋秀顺
Original assignee: Qingdao Haier Washing Machine Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Washing Machine Co Ltd; Haier Smart Home Co Ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2023-12-26
Anticipated expiration: 2039-06-24
Also published as: CN112210962A

Abstract

The invention provides a speed reduction clutch, which comprises an input shaft, an output shaft, a speed reduction gear box and a transmission gear set arranged in the speed reduction gear box, wherein the input shaft is connected with the output shaft; the clutch device is used for connecting the output shaft with the input shaft in a phase-difference speed transmission way through the transmission gear set or connecting the output shaft with the input shaft in the same speed transmission way through the reduction gear box. The speed reducing clutch provided by the invention has the advantages that the effect of adjusting the rotating speed of a single power output end is achieved, and the effect of rotating the inner barrel in a mode of adjusting the rotating speed is realized. The invention also provides a washing machine provided with the speed reducing clutch, which comprises an inner barrel, wherein the bottom of the inner barrel is provided with a bulge which rotates at the same speed and is used for stirring water flow. The inner barrel of the washing machine of the invention eliminates the impeller which can rotate relative to the inner barrel, and instead, the inner surface of the barrel bottom is hermetically assembled or integrally formed or fixedly packaged with the barrel bottom protruding part protruding towards the inner part of the inner barrel, thereby realizing the purposes of washing and rinsing and avoiding the dead angle of dirt accumulation in the inner barrel.

Description

Speed reduction clutch and washing machine

Technical Field

The invention relates to the technical field of self-cleaning washing machines, in particular to a washing machine speed reducing clutch, and especially relates to a speed reducing clutch with single power output, and a washing machine with the speed reducing clutch and no dirt storage dead angle in an inner barrel.

Background

The pulsator and the barrel bottom of the existing full-automatic pulsator washing machine are driven by different driving shafts, and the pulsator is rotatable relative to the barrel bottom, so that gaps exist between the pulsator and the barrel bottom, and the pulsator bottom is generally provided with more reinforcing ribs.

In view of this, the present invention has been made.

Disclosure of Invention

The invention aims to solve the technical problems of overcoming the defects of the prior art and providing the washing machine speed reduction clutch which has the advantages of simple and compact structure, low manufacturing cost, safe and reliable transmission, high efficiency, long service life and low noise. Another object of the present invention is to provide a washing machine having the reduction clutch, so as to achieve the purpose of eliminating dead corners of dirt hiding inside the inner tub.

In order to solve the technical problems, the invention adopts the basic conception of the technical scheme that:

a speed reducing clutch comprises an input shaft, an output shaft, a speed reducing gear box and a transmission gear set arranged in the speed reducing gear box; the clutch device is used for connecting the output shaft with the input shaft in a phase-difference speed transmission way through the transmission gear set or connecting the output shaft with the input shaft in the same speed transmission way through the reduction gear box.

Further, the output shaft is connected with the reduction gear box, and the clutch device is used for directly connecting the reduction gear box with the input shaft in a same-speed transmission manner or connecting the reduction gear box with the input shaft in a different-speed transmission manner through the transmission gear set.

Further, the input shaft is meshed with the input end of the transmission gear set, and the output end of the transmission gear set is meshed with the reduction gear box; the transmission gear set comprises at least one stage of transmission gear, the transmission gear is arranged on a wheel carrier, and the wheel carrier is meshed with a reduction gear box through a clutch device to rotate at the same speed or meshed with a reducer shell to be relatively fixed.

Further, the clutch device comprises a clutch sleeve and a driving device, the clutch sleeve and the wheel frame are connected in a same-speed rotation mode or integrally arranged, the clutch sleeve can move under the action of the driving device, and the clutch sleeve is meshed with the reduction gearbox to rotate at the same speed or meshed with the reducer shell to be relatively fixed.

Further, the transmission gear set comprises a central wheel meshed with the input shaft, an inner gear ring fixedly connected with the reduction gear box, the central wheel and the inner gear ring are in transmission meshing through a transmission gear, the transmission gear is arranged on a wheel frame, the lower end of the wheel frame penetrates out of the reduction gear box, and a clutch sleeve is arranged at the penetrating-out end.

Further, a lock tongue meshed with the clutch sleeve is arranged on the lower side of the reduction gear box, a fixed pin meshed with the clutch sleeve is arranged on the shell of the reduction gear, and the clutch sleeve moves under the action of the driving device to be meshed with the lock tongue to rotate together or meshed with the fixed pin to be fixed relatively.

Further, when the washing machine executes a washing program, the clutch sleeve of the speed reduction clutch is fixedly engaged with the fixed pin arranged on the shell of the speed reduction clutch, and the wheel frame of the speed reduction clutch is fixed with the shell of the speed reduction clutch; when the washing machine executes the dewatering program, the clutch sleeve of the speed reducing clutch is fixedly meshed with the lock tongue arranged on the speed reducing gear box, and the wheel frame of the speed reducing clutch is fixed with the speed reducing gear box.

Further, the reduction gear box of the reduction clutch has only a single output end for outputting all of the power transmitted into the reduction gear box to the output shaft.

Further, the motor also comprises a driving motor, and a rotor of the driving motor is connected with the input shaft in a meshed manner through a torque shaft sleeve in a co-rotating manner.

A washing machine comprises an inner barrel, wherein the bottom of the inner barrel is provided with a convex part which rotates at the same speed and protrudes into the barrel to stir water flow; the speed reducing clutch is characterized in that an output shaft of the speed reducing clutch is connected with the inner barrel, an input shaft of the speed reducing clutch is connected with a driving motor of the washing machine, and power of the driving motor is completely output to the inner barrel in a mode of adjustable transmission ratio.

Further, the inner tub is a water container for containing washing water during washing of the washing machine.

By adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects.

The inner barrel of the washing machine of the invention eliminates the impeller which can rotate relative to the inner barrel, and instead, the inner surface of the barrel bottom is provided with the barrel bottom protruding part protruding towards the inner part of the inner barrel in a sealing way or integrally formed, and/or the inner surface of the barrel body is provided with the barrel body protruding part protruding towards the inner part of the inner barrel in a sealing way or integrally formed, and when in washing, the inner barrel rotates to drive the barrel bottom protruding part to drive water flow and clothes to move along with the inner barrel, thus achieving the purposes of washing and rinsing.

The invention provides the speed reducing clutch which has high efficiency, simple and reliable structure and can provide adjustable transmission ratio and single power output, and the application scheme of the speed reducing clutch on the washing machine, thereby improving the transmission efficiency of the washing machine and reducing the energy consumption. The speed reducing clutch has simple structure and high reliability, and improves the performance of the washing machine.

The speed reducing clutch provided by the invention has the advantages that the effect of adjusting the rotating speed of a single power output end is met, the inner barrel which is integrally arranged or fixedly connected with the impeller is connected with the single power output end of the speed reducing clutch, the power of a driving motor of the washing machine is completely transmitted to the inner barrel in a mode of adjustable transmission ratio, the effect of rotating the inner barrel in a mode of adjustable rotating speed is realized, and the aim of performing speed-adjusting operation on the washing machine provided with the inner barrel in a washing and dewatering process is fulfilled.

Meanwhile, a clutch device is arranged on the speed reduction clutch, so that the input shaft is meshed with the output shaft through a transmission gear set to rotate in a differential mode or the input shaft is meshed with the output shaft through a speed reduction gear box to rotate at the same speed under the action of the clutch device.

By the clutch device, the speed of the output shaft is controlled and regulated by the speed reducing clutch with a single output end, so that the effect of controlling the speed-adjustable rotation of the inner barrel which is integrally arranged or fixedly connected with the pulsator is achieved, and the washing machine provided with the inner barrel can execute washing or dewatering procedures. The clutch device is improved, so that the clutch mechanism cannot fail, the service life is long, the noise is low, and the manufacturing cost is saved.

Meanwhile, the invention has simple structure and obvious effect, and is suitable for popularization and use.

Drawings

Fig. 1 and 2 are schematic views illustrating installation structures of a reduction clutch in different use states of a washing machine according to a second embodiment of the present invention;

fig. 3 and 4 are schematic views illustrating installation structures of a reduction clutch in different use states of a washing machine according to a third embodiment of the present invention;

fig. 5 to 16 are schematic views showing connection structures of different embodiments of a reduction clutch of a washing machine according to the present invention;

the reference numerals in the drawings indicate: 1. input shaft, 2, output shaft, 3, reduction gearbox, 4, clutch sleeve, 5, driving motor, 6, central wheel, 7, wheel carrier, 8, transmission gear, 9, ring gear, 10, lock tongue, 11, fixed pin, 12, torque sleeve, 13, casing, 14, transmission gear set, 100, inner barrel, 200, reduction clutch, 300, transmission structure, 400, clutch device, 30, outer star wheel, 32, inner star wheel, 33, upper planetary gear, 318, needle wheel, 319, cycloidal gear, 39, central gear, 310, lower planetary gear, 311, planet carrier, 317, input shaft rocking arm, 321, duplex planetary gear, 322, lower duplex planetary gear, 323, upper duplex planetary gear, 331, triple planetary gear.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 16, the present invention introduces a washing machine comprising an inner tub, a protruding part protruding into the tub for stirring water flow is provided at the bottom of the inner tub, and the protruding part rotates at the same speed with the inner tub; the inner barrel is connected with a driving motor of the washing machine through a speed reducing clutch, so that the power of the driving motor is transmitted to the inner barrel through the only output end of the speed reducing clutch to drive the inner barrel to rotate, and the inner barrel and the protruding parts arranged at the bottom of the inner barrel stir washing water and/or clothes in the barrel to form water flow, and the water flow is utilized to treat the clothes.

The invention relates to a washing machine speed reduction clutch, which comprises a transmission structure and a clutch device, wherein the input end of the transmission structure is connected with a driving motor, the output end of the transmission structure is connected with an inner barrel, and the clutch device changes the engagement relation of the transmission structure and adjusts the transmission ratio of the input end and the output end.

The transmission structure of the speed reducing clutch in the invention can be any structure or combination capable of transmitting power in the prior art, for example: a gear drive structure, a rack drive structure, a belt wheel drive structure, a chain drive structure, and the like.

The transmission structure of the speed reduction clutch is only provided with a single output end, and is used for completely outputting the power transmitted into the transmission structure to the inner barrel, so that the power transmitted by the driving motor is completely used for driving the inner barrel to rotate through the single output end.

The clutch device of the speed reducing clutch is used for converting the transmission ratio of the transmission structure under the washing working condition and the dewatering working condition of the washing machine. Under the action of the clutch device, when the washing machine is in a washing working condition, the input end and the output end of the transmission structure rotate at different speeds; when the washing machine is in a dewatering working condition, the input end and the output end of the transmission structure rotate at the same speed.

The transmission ratio of the transmission structure is adjusted through the clutch device so as to realize the adjustment of the rotation speed of the inner barrel, and further achieve the effect of driving the inner barrel to rotate at different rotation speeds to execute the washing or dehydration procedure of the washing machine.

Example 1

As shown in fig. 1 to 16, in the present embodiment, a speed reducing clutch 200 applied to the above-mentioned washing machine is described, which includes a transmission structure 300 and a clutch device 400, wherein an input end of the transmission structure 300 is connected with a driving motor 5, an output end of the transmission structure 300 is connected with an inner tub 100, the clutch device 400 changes a meshing relationship of the transmission structure 300, and adjusts a transmission ratio of the input end and the output end, so that power of the driving motor is completely transmitted to the inner tub in a form of an adjustable transmission ratio, and an effect of driving the inner tub to rotate at different rotational speeds is achieved.

In this embodiment, the transmission structure 300 of the reduction clutch 200 includes a reduction gear box 3, a transmission gear set 14 is installed in the reduction gear box 3, an input shaft 1 and an output shaft 2 are respectively inserted into opposite sides of the reduction gear box 3, the input shaft 1 is connected with a rotor of a driving motor 5, the output shaft 2 is coaxially connected with the bottom of the inner barrel 100, and one end of the input shaft 1 and one end of the output shaft 2 inserted into the reduction gear box 3 are meshed through the transmission gear set 14; preferably, both the input shaft 1 and the output shaft 2 are arranged coaxially with the reduction gearbox 3.

In this embodiment, the clutch device 400 is used to adjust the meshing relationship between the internal gears of the transmission gear set 14, and/or between the transmission gear set 14 and the input shaft 1, and/or between the transmission gear set 14 and the output shaft 2, so as to achieve the effect of adjusting the transmission ratio between the input shaft 1 and the output shaft 2.

In this embodiment, the clutch device 400 includes a clutch sleeve 4 and a driving device, and the clutch sleeve 4 is displaced under the action of the driving device, so that the moving clutch sleeve 4 is used to adjust the meshing relationship between the internal gears of the transmission gear set 14 and/or between the transmission gear set 14 and the input shaft and/or between the transmission gear set 14 and the output shaft 2, thereby achieving the effect of adjusting the transmission ratio between the input shaft 1 and the output shaft 2.

In this embodiment, the driving device of the clutch device 400 includes a clutch motor for providing a driving force, and a clutch transmission structure for transmitting the motion displacement of the output end of the clutch motor to the clutch sleeve 4. The clutch transmission structure may be any structure in the prior art capable of driving the clutch sleeve 4 to move, for example: fork structure, clutch pressure plate structure, clutch cam structure etc..

Meanwhile, in order to ensure the common-speed connection between the clutch sleeve 4 and other components, a structure such as a meshing tooth is arranged on the clutch sleeve 4, and a structure such as a meshing tooth which is meshed relatively is arranged on a corresponding internal gear forming the transmission gear set 14, and/or the input shaft 1, and/or the output shaft 2, and/or the housing 13 of the reduction clutch, and/or the rotor of the driving motor 5, so that the common-speed meshing connection between the clutch sleeve 4 and other components is realized.

In this embodiment, the clutch sleeve 4 may be mounted on the input shaft 1 or the output shaft 2 in a co-rotating manner, and the driving device drives the clutch sleeve 4 to move axially along the input shaft 1 or the output shaft 2, so that the clutch sleeve 4 meshes with different gears of the transmission gear set 14, and the input shaft 1 and the output shaft 2 rotate at the same speed or at different speeds.

In this embodiment, the clutch sleeve 1 may also be connected to at least one transmission gear 8 in the transmission gear set 14, and the driving device drives the clutch sleeve 4 to move, so that at least one transmission gear 8 in the transmission gear set 14 meshes with a different transmission gear 8 via the clutch sleeve 4, and the input shaft 1 and the output shaft 2 rotate at the same speed or at different speeds.

In the embodiment, the clutch sleeve 4 can also engage or disengage the output shaft 2 with the reduction gear box 3, and the output shaft 2 is in driving engagement with the input shaft 1 through the driving gear set 14 and rotates in a differential speed; alternatively, the output shaft 2 is directly in driving engagement with the input shaft 1 via the reduction gearbox 3 and rotates at the same speed.

In the embodiment, the clutch sleeve 4 can also engage or disengage the reduction gear box 3 with the shell 13 of the reduction clutch, and the output shaft 2 is in driving engagement with the input shaft 2 through the driving gear set 14 and rotates in differential speed; alternatively, the output shaft 2 is directly in driving engagement with the input shaft 2 via the reduction gearbox 3 and rotates at the same speed.

In this embodiment, the clutch sleeve 4 may also be connected to a wheel carrier 7 mounted on a transmission gear 8 of any stage of the transmission gear set 14, and the driving device drives the clutch sleeve 4 to move, so that the wheel carrier 7 is meshed with the input shaft 1, the output shaft 2, the reduction gearbox 3, or the reduction clutch housing 13 via the clutch sleeve 4, so that the input shaft 1 and the output shaft 2 rotate at the same speed or rotate at a different speed.

In the present embodiment, the transmission gear set 14 installed inside the reduction gear box 3 may be any structure in the prior art, such as the structure shown in fig. 5 to 16, for example: the planetary gear transmission mechanism comprises any one of a double-stage planetary gear transmission mechanism, a double-stage double-tooth inner gear ring or outer gear or inner gear transmission mechanism, a three-stage double-tooth outer gear transmission mechanism, a one-stage inner gear ring or outer gear transmission mechanism, a small tooth difference planetary gear or cycloidal pin gear transmission mechanism, a single inner gear ring and different gear shafts or double inner gear ring and concentric shaft transmission mechanism. But it is necessary to ensure that the output end of the reduction gear box 3 is provided only, and the output end of the reduction clutch 200 is the output shaft 2 connected to the inner tub 100 of the washing machine.

Referring to fig. 5, the reduction clutch of the washing machine is composed of an input shaft 1, an output shaft 2, an input shaft sleeve, a reduction gear box 3 and a transmission gear set 14 installed in the reduction gear box 3, wherein the input shaft 1 is installed in the input shaft sleeve 38, the input shaft sleeve 38 is fixedly installed at the lower end of the reduction gear box 3, the wheel carrier 7 is fixedly installed on the input shaft sleeve 38, the input shaft 1 is meshed with the central wheel 6, the central wheel 6 is meshed with the inner gear ring 9 through at least one-stage transmission gear 8, the inner gear ring 9 is connected with the output shaft 2 to form a double-drive gear mechanism, and a clutch 400 is installed between the reduction gear box 3 and the output shaft 2.

As shown in fig. 6, the transmission gear set 14 of the washing machine speed reduction clutch is a double-stage planetary gear transmission mechanism; the mechanism consists of a central wheel 6, an upper planetary gear 33, an inner gear ring 9, a planet carrier 311, a lower planetary gear 310, a central gear 39 and a wheel carrier 7; the input shaft 1 is coupled to the sun gear 6, and the upper planetary gear 33 is mounted on the carrier 35 and meshed with the sun gear 6; the inner gear ring 9 is connected with the output shaft 2; the lower planetary gear 310 is mounted on the carrier 7; the inner gear ring 9 is meshed with the upper and lower planetary gears 33, 310, which are common gears of two sets of planetary gears; the number of the upper planetary gears and the lower planetary gears can be 2-6 respectively; the upper planetary gear 33 and the planetary carrier 311 are connected; a clutch 400 is arranged between the reduction gearbox 3 and the inner gear ring 9. During the washing operation, the reduction gear box 3 is completely braked, the upper planetary gear 33 revolves and rotates, and the lower planetary gear 310 rotates only.

When the centrifugal dewatering process is performed, the reduction gearbox 3 is completely loosened, the driving motor continuously rotates in one direction as required, and the reduction clutch is automatically combined into a whole through the locking function of the clutch device 400 between the reduction gearbox 3 and the output shaft 2, so that the centrifugal dewatering process is completed without a whole set of clutch components and operating mechanisms of the conventional reduction clutch.

As shown in fig. 7, the transmission gear set 14 of the washing machine speed reduction clutch is a two-stage double-tooth inner gear ring transmission mechanism; the mechanism consists of a central wheel 6, an annular gear 9, a duplex planetary gear 321 and a wheel carrier 7; the duplex planetary gear 321 is arranged on the wheel carrier 7, the lower teeth of the duplex planetary gear are meshed with the central wheel 6, and the upper teeth of the duplex planetary gear are meshed with the annular gear 9; the input shaft 1 is connected with the central wheel 6, and the output shaft 2 is connected with the annular gear 9; the number of the duplex planetary gears can be 2-6. A clutch 400 is arranged between the reduction gearbox 3 and the inner gear ring 9. When the washing working condition is adopted, the reduction gearbox 3 is completely braked, the wheel frame 7 is in a fixed shaft state, the driving motor drives the central wheel 6 and the duplex planetary gear 321 to bidirectionally and repeatedly rotate, and meanwhile, the output shaft 2 is simultaneously driven through the annular gear 9 to bidirectionally and repeatedly rotate in proportion and swing at a low speed, so that the washing procedure is completed.

As shown in fig. 8, the transmission gear set 14 of the washing machine speed reduction clutch is a two-stage double-tooth external star wheel transmission mechanism; the mechanism consists of a central wheel 6, an outer star wheel 30, a wheel carrier 7, a planet carrier 311, a duplex planet gear 321, a central gear 39 and the wheel carrier 7; the duplex planetary gear 321 is arranged on the wheel carrier 7, and the outer star wheel 33 is arranged on the planet carrier 311; the number of the duplex planetary gears 321 and the number of the outer planetary gears 30 are 2-6 respectively; the upper and lower teeth of the double planetary gear 321 are respectively engaged with the outer star wheel 30 and the center wheel 6, the center wheel 6 is coupled with the input shaft 1, and the outer star wheel 30 is engaged with the output shaft 2 via the center gear 39. A clutch 400 is provided between the reduction gear box 3 and the sun gear 39. When the washing working condition is adopted, the reduction gearbox 3 is completely braked, the wheel frame 7 is in a fixed shaft state, the driving motor 5 drives the central wheel 6 and the duplex planetary gear 321 to bidirectionally and repeatedly rotate, and meanwhile, the output shaft 2 is driven through the outer star wheel 30 and the central gear 39 to bidirectionally and repeatedly rotate in proportion and swing at a low speed, so that the washing procedure is completed. The dehydration conditions are as described in fig. 6.

As shown in fig. 9, the transmission gear set 14 of the washing machine speed reduction clutch is a three-stage double-tooth external tooth transmission mechanism; the mechanism consists of a central wheel 6, an upper duplex planetary gear 323, a lower duplex planetary gear 322, a central gear 39 and a wheel carrier 7; the center wheel 6 is connected with the input shaft 1; the lower teeth of the lower duplex planetary gear 322 are meshed with the central wheel 6; the lower teeth of the upper duplex planetary gear 323 are meshed with the upper teeth of the lower duplex planetary gear 322; the upper teeth of the upper double planetary gear 323 are meshed with the sun gear 39; the sun gear 39 is fixedly connected with the output shaft 2; the number of the upper duplex planetary gears 323 and the lower duplex planetary gears 322 is 2-3, the lower duplex planetary gears 322 are arranged on the wheel carrier 7, the upper duplex planetary gears 323 are arranged on the planetary shaft 311, and the upper teeth of the upper duplex planetary gears 323 are connected with the output shaft 2 through the central gear 39. A clutch 400 is provided between the sun gear 39 and the reduction clutch case 3. A clutch 400 is provided between the reduction gear box 3 and the sun gear 39. When the washing working condition is adopted, the reduction gearbox 3 is completely braked, the wheel frame 7 is in a fixed shaft state, the driving motor drives the center wheel 6 and the lower duplex planetary gear 322 to bidirectionally and repeatedly rotate, and meanwhile, the upper duplex planetary gear 323 and the center gear 39 drive the output shaft 2 to bidirectionally and repeatedly rotate, the output shaft 2 bidirectionally and repeatedly rotates in proportion, and swings at a low speed, so that the washing working procedure is completed. The dehydration conditions are as described in fig. 6.

As shown in fig. 10, the transmission gear set 14 of the washing machine speed reduction clutch is a primary annular gear transmission mechanism; the mechanism consists of a central wheel 6, a lower planetary gear 310, a wheel carrier 7 and an annular gear 9, wherein the lower planetary gear 310 is arranged on the wheel carrier 7, the annular gear 9, an input shaft 1 and the lower planetary gear 310 are meshed, and an output shaft 2 is connected with the annular gear 9. The input shaft 1 is coupled to a centre wheel 6. The number of lower planetary gears 310 may be 2-6. The washing machine speed reducing clutch with the double-drive gear mechanism driven by the primary annular gear can be matched with a washing machine provided with a synchronous variable frequency motor for use, and the rotating speed of the washing machine is set by the washing machine. A clutch 400 is arranged between the reduction gearbox 3 and the inner gear ring 9. When the washing working condition is adopted, the reduction gearbox 3 is completely braked, the wheel frame 7 is in a fixed shaft state, the central wheel 6 rotates when the driving motor is driven by the input shaft 1, the central wheel 6 drives the output shaft 2 to rotate through the lower planetary gear 310 and the inner gear ring 9, the output shaft 2 repeatedly rotates in a bidirectional proportion, and swings at a low speed, so that the washing working procedure is completed. The dehydration conditions are as described in fig. 6.

As shown in fig. 11, the transmission gear set 14 of the washing machine speed reduction clutch is a primary external gear transmission mechanism; the mechanism consists of a central wheel 6, a lower planetary gear 310, a planetary carrier 311, a wheel carrier 7, a central gear 39 and a duplex planetary gear 321; the lower planetary gear 310 is mounted on the carrier 7, the double planetary gear 321 is mounted on the planetary gear carrier 311, the central wheel 6 is meshed with the lower teeth of the double planetary gear 321 through the lower planetary gear 310, and the upper teeth of the double planetary gear 321 are meshed with the output shaft 2 through the central gear 39. The input shaft 1 is coaxial with the gear box 3 and coupled with the centre wheel 6. The number of lower planetary gears 310 may be 2-6 each. The washing machine speed reducing clutch with the double-drive gear mechanism adopting the one-stage external gear transmission can be matched with a washing machine provided with a synchronous variable frequency motor for use, and the rotating speed of the washing machine speed reducing clutch is set by an electrical device of the washing machine. A clutch 400 is provided between the reduction gear box 3 and the sun gear 39. When the washing working condition is adopted, the reduction gearbox 3 is completely braked, the wheel frame 7 is in a fixed shaft state, the driving motor drives the central wheel 6 to rotate through the input shaft 1, the central wheel 6 drives the output shaft 2 to rotate through the lower planetary gear 310, the duplex planetary gear 321 and the central gear 9, the output shaft 2 repeatedly rotates in a bidirectional proportion and swings at a low speed, and the washing working procedure is completed. The dehydration conditions are as described in fig. 6.

As shown in fig. 12, the transmission gear set 14 of the full-automatic speed reduction clutch is a two-stage duplex-tooth inner star-wheel transmission mechanism; the mechanism consists of a central wheel 6, inner star wheels 32 (2-6), a planet carrier 311, triple planetary gears 331 (2-6) and a wheel carrier 7; the inner star wheel 32 is arranged on the wheel carrier 7, and the triple planetary gear 331 is arranged on the planetary carrier 311; the input shaft 1 is connected with the center wheel 6; the upper, middle and lower teeth of the triple planetary gear 331 are meshed with the sun gear 39, the inner star wheel 32 and the sun gear 6, respectively. A clutch 400 is provided between the reduction gear box 3 and the sun gear 39. When the washing working condition is adopted, the reduction gearbox 3 is completely braked, the wheel frame 7 is in a fixed shaft state, the driving motor drives the center wheel 6 and the triple planetary gear 331 to bidirectionally and repeatedly rotate, and meanwhile, the output shaft 2 is driven through the inner star wheel 32 to bidirectionally and repeatedly rotate in proportion and swing at a low speed, so that the washing procedure is completed. The dehydration conditions are as described in fig. 6.

As shown in fig. 13, the transmission gear set 14 of the full-automatic speed reduction clutch is a planetary gear transmission mechanism with small tooth difference; the mechanism consists of an input shaft rotating arm 317, an upper planetary gear 33 (2-6), a lower planetary gear 310 (1-2), an annular gear 9 and a wheel carrier 7; the input shaft 1 is coupled to the input shaft rotating arm 317, the upper planetary gear 33 is mounted on the carrier 7 and engaged with the ring gear 9, the ring gear 9 is coupled to the output shaft 2, the lower planetary gear 310 is mounted on the input shaft rotating arm 317, holes around it are sleeved on the carrier 7 and engaged with the ring gear 9, and the lower planetary gear 310 is typically mounted 2 in opposition to reduce vibration. A clutch 400 is arranged between the reduction gearbox 3 and the inner gear ring 9. When the washing working condition is adopted, the reduction gearbox 3 is completely braked, the wheel frame 7 is in a fixed shaft state, the driving motor 5 drives the input shaft rotating arm 317 to bidirectionally and repeatedly rotate, the lower planetary gear 310 is driven to only revolve and do not rotate planetary motion due to the constraint of the wheel frame 7, the inner gear ring 9 is driven to rotate, the output shaft 2 is driven to bidirectionally and repeatedly rotate in proportion, and the washing procedure is completed. The dehydration conditions are as described in fig. 6.

As shown in fig. 14, the transmission gear set 14 of the full-automatic speed reduction clutch is a cycloidal pin gear transmission mechanism; the mechanism consists of an input shaft rotating arm 317, upper planetary gears 33 (2-6), cycloidal gears 319 (1-2), an inner gear ring 9 (the lower part of which is fixedly provided with a pinwheel 318) and a wheel carrier 7. The input shaft 1 is coupled to the input shaft rotating arm 317, the upper planetary gear 33 is mounted on the carrier 7, the ring gear 9 is coupled to the output shaft 2, the cycloid gear 319 is mounted on the input shaft rotating arm 317, its surrounding holes are sleeved on the carrier 7 and meshed with the pin gear 318, and the cycloid gear 319 is typically 2, oppositely mounted to reduce vibration. During the washing working condition, the reduction gearbox 3 is completely braked, the wheel frame 7 is in a fixed shaft state, the driving motor drives the input shaft rotating arm 317 to bidirectionally and repeatedly rotate, the cycloid wheel 319 is driven to only revolve under the constraint of the wheel frame 7 and does not rotate, so that the needle wheel 318 and the annular gear 9 are driven to rotate, the output shaft 2 is driven to bidirectionally and repeatedly rotate in proportion through the annular gear 9, and the washing procedure is completed. The dehydration conditions are as described in fig. 6.

As shown in fig. 15, the dual drive gear mechanism of the full automatic reduction clutch is a drive gear set 14; the mechanism consists of a central wheel 6, upper planetary gears 33 (2-6), lower planetary gears 310 (2-6), an annular gear 9 and a wheel carrier 7; the input shaft 1 is coupled to the sun gear 6, the upper and lower planetary gears 33, 310 are mounted on respective carriers 7, the lower planetary gear 310 is engaged with the sun gear 6, the upper and lower planetary gears 33, 310 are engaged with the ring gear 9 (common gear), the ring gear 9 is coupled to the output shaft 2, the center distances of the two sets of carriers 7 are different, but the shaft lengths may be the same, and coupled to the same carrier. A clutch 400 is arranged between the reduction gearbox 3 and the inner gear ring 9. When the washing working condition is adopted, the reduction gearbox 3 is completely braked, the wheel frame 7 is in a fixed shaft state, the driving motor drives the central wheel 6 to bidirectionally and repeatedly rotate, and the output shaft 2 is driven to bidirectionally and repeatedly rotate in proportion and swing at a low speed through the upper planetary gears 33, the lower planetary gears 310 and the inner gear ring 9, so that the washing procedure is completed. The dehydration conditions are as described in fig. 6.

As shown in fig. 16, the dual drive gear mechanism of the full automatic reduction clutch is a drive gear set 14; the mechanism consists of a central wheel 6, upper planetary gears 33 (2-6), lower planetary gears 310 (2-6), a duplex annular gear 9 and a wheel carrier 7; the input shaft 1 is connected with the central wheel 6, the upper and lower planetary gears 33, 310 are arranged on a common wheel carrier 7, the lower planetary gear 310 is meshed with the central wheel 6, the upper and lower planetary gears 33, 310 are respectively meshed with the upper and lower teeth of the double-linked annular gear 9 correspondingly, the double-linked annular gear 9 is connected with the output shaft 2, the center distances of the wheel carriers 7 are the same, and the double-linked annular gear 9 is connected with the planetary carrier 5. A clutch 400 is arranged between the reduction gearbox 3 and the inner gear ring 9. When the washing working condition is adopted, the reduction gearbox 3 is completely braked, the wheel frame 7 is in a fixed shaft state, the driving motor drives the central wheel 6 to bidirectionally and repeatedly rotate, and the output shaft 2 is driven to bidirectionally and repeatedly rotate in proportion and swing at a low speed through the lower planetary gear 310 and the double-linked annular gear 9, so that the washing procedure is completed. The dehydration conditions are as described in fig. 6.

The control logic of the deceleration clutch in the working process of the washing machine in the embodiment is as follows:

when the washing machine executes a washing program, the rotor of the driving motor is connected with the input shaft, and the input shaft drives the output shaft to rotate in a differential way through the transmission gear set, so that the effect that the input shaft and the output shaft rotate in a differential way in the washing process of the washing machine and the output shaft rotates at a low speed is realized.

When the washing machine executes the dewatering program, the rotor of the driving motor is connected with the input shaft, and the input shaft rotates together with the transmission gear set and the reduction gear box to drive the output shaft to rotate at the same speed, so that the effect that the input shaft rotates at the same speed with the output shaft in the washing process of the washing machine and the output shaft rotates at a high speed is achieved.

Example two

As shown in fig. 1 and 2, the present embodiment describes a reduction clutch applied to the above-mentioned washing machine, including an input shaft 1, an output shaft 2, a reduction gear box 3, and a transmission gear set 14 installed in the reduction gear box 3; the clutch 400 is used for connecting the output shaft 2 with the input shaft 1 in a phase-difference speed transmission way through a transmission gear set 14 or connecting the output shaft with the input shaft 1 in a same speed transmission way through a reduction gear box 3.

By the clutch device, the speed of the output shaft is controlled and regulated by the speed reducing clutch with a single output end, so that the effect of controlling the speed-adjustable rotation of the inner barrel which is integrally arranged or fixedly connected with the pulsator is achieved, and the washing machine provided with the inner barrel can execute washing or dewatering procedures.

The reduction gear box 3 of the reduction clutch in the present embodiment has only a single output end for outputting all the power transmitted into the reduction gear box 3 to the output shaft 2; the output shaft 2 is connected with the rotor of the driving motor 5 at the same speed, and the output shaft 2 is connected with the inner barrel of the washing machine in a non-rotatable way, so that the power transmitted by the driving motor 5 through the input shaft is totally used for driving the inner barrel to rotate through a single output end.

In this embodiment, the output shaft 2 is connected to the reduction gearbox 3, and the clutch 400 is used to connect the reduction gearbox 3 directly to the input shaft 1 in the same speed transmission or to connect the reduction gearbox 3 to the input shaft 1 in the different speed transmission via the transmission gear set 14.

In this embodiment, the input shaft 2 is meshed with the input end of the transmission gear set 14, and the output end of the transmission gear set 14 is meshed with the reduction gearbox 3; the drive gear set 14 includes at least one stage of drive gear 8, the drive gear 8 is mounted on the carrier 7, and the carrier 7 is engaged with the reduction gearbox 3 via the clutch device 400 to rotate at the same speed or engaged with the reduction clutch housing 13 at the same speed to be relatively fixed.

In this embodiment, the clutch device 400 includes a clutch sleeve 4 and a driving device, where the clutch sleeve 4 and the wheel carrier 7 are connected or integrally arranged in a rotating manner at the same speed, and the clutch sleeve 4 can move under the action of the driving device, so that the clutch sleeve 4 is meshed with the reduction gearbox 3 or meshed with the reduction clutch housing 13, the wheel carrier 7 is fixed with the reduction gearbox 3, the reduction gearbox 3 and the transmission gear set 14 integrally rotate at the same speed with the input shaft 1, or the wheel carrier 7 is fixed with the reduction clutch housing 13, and the reduction gearbox 3 and the transmission gear set 14 rotate at a differential speed with the input shaft 1.

In this embodiment, the driving device of the clutch device 400 may be any conventional clutch driving structure such as a shift fork structure, a clutch pressure plate structure, and a cam structure that is driven by the driving motor 5 to control the clutch sleeve 4 to generate a displacement motion, or may be a clutch driving structure that is driven by other devices such as an electromagnet to adsorb the clutch sleeve to generate a displacement motion.

In this embodiment, the transmission gear set 14 includes a central wheel 6 meshed with the input shaft 1, an inner gear ring 9 fixedly connected with the reduction gear box 3, the central wheel 6 and the inner gear ring 9 are in driving engagement with each other via a transmission gear 8, the transmission gear 8 is mounted on a wheel frame 7, the lower end of the wheel frame 7 penetrates out of the reduction gear box 3, and a clutch sleeve 4 is mounted at the penetrating end. In this embodiment, the driving gear set 14 is a reduction gear set for reducing the rotation speed from the input end to the output end; preferably, in order to reduce the transmission ratio of the reduction clutch, a plurality of stages of transmission gears which are sequentially meshed with each other may be further provided between the center wheel and the ring gear.

In this embodiment, the speed reducing clutch further comprises a driving motor 5, and a rotor of the driving motor 5 is in meshed connection with the input shaft 1 through a torque shaft sleeve 12 in a co-rotating manner.

In this embodiment, the lower side of the reduction gearbox 3 is provided with a lock tongue 10 engaged with the clutch sleeve 4, the housing 13 of the reduction clutch is provided with a fixing pin 11 engaged with the clutch sleeve 4, and the clutch sleeve 4 moves under the action of the driving device to engage with the lock tongue 10 in a co-rotation manner or engage with the fixing pin 11 in a co-rotation manner. Of course, in this embodiment, the structure of corresponding engagement between the clutch sleeve 4 and the input shaft 1, the rotor of the driving motor 5, the torque sleeve 12, and the housing 13 of the reduction clutch may be any other engagement structure capable of forming co-speed rotation around the shaft, for example: meshing teeth, and the like.

When the washing machine executes a washing program, the clutch sleeve 4 of the speed reduction clutch is fixedly meshed with the fixed pin 11 arranged on the shell 13 of the speed reduction clutch, so that the wheel frame 7 of the speed reduction clutch is fixed with the shell 13 of the speed reduction clutch, and the transmission gear 8 is a fixed wheel with a fixed shaft; at this time, the rotor of the driving motor 5 is connected with the input shaft 1, the input shaft 1 drives the central wheel 6 to rotate, the central wheel 6 is meshed with the transmission gear 14 to drive the transmission gear 14 to rotate, the transmission gear 14 drives the annular gear 9 to rotate, and the annular gear 9 drives the output shaft 2 to rotate through the reduction gearbox 5, so that the effect of differential rotation of the input shaft 1 and the output shaft 2 in the washing process of the washing machine is realized.

When the washing machine executes a dewatering program, the clutch sleeve 4 of the speed reduction clutch is fixedly meshed with the lock tongue 10 arranged on the speed reduction gear box 3, so that the wheel frame 7 of the speed reduction clutch is fixed with the speed reduction gear box 3, and the transmission gear 8 is a free wheel with an unfixed shaft; at this time, the rotor of the driving motor 5 is connected with the input shaft 1, the input shaft 1 drives the central wheel 6 to rotate, the central wheel 6 is meshed with the transmission gear 8, the transmission gear 8 is meshed with the annular gear 9, the transmission gear 8 and the annular gear 9 are driven to revolve around the input shaft 1 at the same speed, and the annular gear 9 drives the output shaft 2 to rotate through the reduction gearbox 3, so that the effect that the input shaft 1 and the output shaft 2 rotate at the same speed in the dehydration process of the washing machine is achieved.

Example III

As shown in fig. 3 and 4, the present embodiment describes a reduction clutch applied to the above-mentioned washing machine, including an input shaft 1, an output shaft 2, a reduction gear box 3, and a transmission gear set 14 installed in the reduction gear box 3; the input shaft 1 is meshed with the input end 1 of the transmission gear set 14, and the output end of the transmission gear set 14 is meshed with the output shaft 2; the clutch 400 is used for connecting the reduction gear box 3 with the input shaft 1 in a phase-difference speed transmission manner or in a co-speed transmission manner, so that the input shaft 1 is connected with the output shaft 2 in a phase-difference speed transmission manner through the transmission gear set 3 or in the same speed transmission manner through the reduction gear box 3.

The reduction gear box 3 of the reduction clutch in the present embodiment has only a single output end for outputting all the power transmitted into the reduction gear box 3 to the output shaft 2; the output shaft 2 is connected with the rotor of the driving motor 5 at the same speed, and the output shaft 2 is connected with the inner barrel of the washing machine in a non-rotatable way, so that the power transmitted by the driving motor 5 through the input shaft 1 is totally used for driving the inner barrel to rotate through a single output end.

In this embodiment, the output shaft 2 is connected with a transmission gear 8 in a transmission gear set 14, or a wheel carrier 7 on which the transmission gear 8 is mounted and which is rotatable; the clutch device 400 is used for connecting the reduction gear box 3 and the transmission gear set 14 with the input shaft 1 in the same speed transmission manner or connecting the reduction gear box 3 and the transmission gear set 14 with the input shaft 1 in the different speed transmission manner.

In the embodiment, the transmission gear set 14 comprises an inner gear ring 9 fixedly connected with the reduction gear box 3, and the inner gear ring 9 is meshed with the input shaft 1 through a transmission gear 8; the reduction gearbox 3 is engaged with the input shaft 1 via a clutch device to rotate at the same speed, or with the housing 13 of the reduction clutch to remain relatively stationary.

In this embodiment, the clutch device 400 includes a clutch sleeve 4 and a driving device, where the clutch sleeve 4 is connected to the reduction gearbox 3 in a way of rotating at the same speed or integrally provided, and the clutch sleeve 4 can move under the action of the driving device, so that the clutch sleeve 4 is engaged with the input shaft 1 or the housing 13 of the reduction clutch at the same speed, and the reduction gearbox 3 rotates at the same speed along with the input shaft 1 or is fixed with the housing 13 of the reduction clutch. In this embodiment, the driving device may be any existing clutch driving structure such as a shift fork structure, a clutch pressure plate structure, and a cam structure that is driven by the driving motor 5 to control the clutch sleeve 4 to generate a displacement motion, or may be a clutch driving structure that is driven by other devices such as an electromagnet to adsorb the clutch sleeve 4 to generate a displacement motion.

In this embodiment, the transmission gear set 14 includes a central wheel 6 meshed with the input shaft 1, an inner gear ring 9 fixedly connected with the reduction gear box 3, the central wheel 6 and the inner gear ring 9 are meshed with each other through a transmission gear 8, the transmission gear 8 is mounted on a wheel frame 7, the upper end of the wheel frame 7 penetrates out of the reduction gear box 3, and the penetrating-out end is connected with the output shaft 2.

In this embodiment, the driving gear set 14 is a reduction gear set for reducing the rotation speed from the input end to the output end; preferably, in order to reduce the transmission ratio of the reduction clutch, a multi-stage transmission gear which is meshed in turn may be further provided between the center wheel 6 and the ring gear 9.

In the embodiment, the motor also comprises a driving motor, and a rotor of the driving motor 5 is in meshed connection with the input shaft 1 in a co-speed rotation way through a torque shaft sleeve 12; preferably, the clutch sleeve 4 can move under the action of the driving device, and the clutch sleeve 4 is meshed with the rotor of the driving motor 5 to rotate at the same speed or meshed with the shell 13 of the speed reduction clutch to be relatively fixed.

In this embodiment, the input shaft 1, the rotor of the driving motor 5, or the torque sleeve 12 is provided with a lock tongue 10 engaged with the clutch sleeve 4, and the housing 13 of the speed reducing clutch is provided with a fixed pin 11 engaged with the clutch sleeve 4, and the clutch sleeve 4 moves under the action of the driving device to be engaged with the lock tongue 10 in a co-rotation manner or engaged with the fixed pin 11 in a co-rotation manner. Of course, in this embodiment, the structure of corresponding engagement between the clutch sleeve 4 and the input shaft 1, the rotor of the driving motor 5, the torque sleeve 12, and the housing 13 of the reduction clutch may be any other engagement structure capable of forming co-speed rotation around the shaft, for example: meshing teeth, and the like.

When the washing machine executes a washing program, the clutch sleeve 4 of the speed reduction clutch is fixedly engaged with the fixed pin 11 arranged on the shell 13 of the speed reduction clutch, so that the speed reduction gear box 3 of the speed reduction clutch is fixedly fixed with the shell 13 of the speed reduction clutch; at this time, the rotor of the driving motor 5 is connected with the input shaft 1, the input shaft 1 drives the central wheel 6 to rotate, the central wheel 6 is meshed with the transmission gear 8 to drive the transmission gear 8 to rotate, the transmission gear 8 is acted by the fixed annular gear 9 in the rotation process to revolve around the input shaft 1, the revolving transmission gear 8 drives the wheel frame 7 to rotate, and the wheel frame 7 drives the output shaft 2 to rotate, so that the differential rotation effect of the input shaft 1 and the output shaft 2 in the washing process of the washing machine is realized.

When the washing machine executes a dehydration program, a clutch sleeve 4 of the speed reduction clutch is fixedly meshed with a lock tongue 10 arranged on an input shaft 1 or a rotor of a driving motor 5 or a torque sleeve 12, so that a speed reduction gear box 3 of the speed reduction clutch rotates at the same speed as the input shaft 1; at this time, the rotor of the driving motor 5 is connected with the input shaft 1 and the reduction gear box 3, the center wheel 6, the annular gear 9, the transmission gear 8 and the wheel frame 7 revolve around the input shaft 1 at the same speed, and the wheel frame 7 drives the output shaft 2 to rotate, so that the effect that the input shaft 1 and the output shaft 2 rotate at the same speed in the dehydration process of the washing machine is realized.

Example IV

As shown in fig. 1 to 4, a washing machine is described in the present embodiment, which includes an inner tub 100, a protrusion for stirring water flow being provided at the bottom of the inner tub 100; with the speed reducing clutch 200 according to any one of the above embodiments, the output shaft 2 of the speed reducing clutch 200 is connected to the inner tub, the input shaft 1 is connected to the driving motor 5 of the washing machine, and the power of the driving motor 5 is all output to the inner tub 1 in the form of an adjustable transmission ratio.

In this embodiment, the protruding portion 101 provided at the bottom of the inner barrel 100 may be an independent pulsator which is connected with the inner barrel 100 in a non-rotatable manner, or may be a curved surface integrally provided at the bottom of the inner barrel 100 and having a concave-convex height variation toward one side of the barrel. Therefore, the washing machine is only provided with one power driving unit of the inner barrel, and the driving motor of the washing machine outputs the power with adjustable transmission ratio to the inner barrel through the action of the speed reducing clutch. The inner barrel of the washing machine of the invention cancels the impeller which can rotate relative to the inner barrel, and instead, the inner surface of the barrel bottom is hermetically assembled or integrally formed, or fixedly packaged with the barrel bottom protruding part protruding towards the inner part of the inner barrel, and the inner barrel rotates to drive the barrel bottom protruding part to drive water flow and clothes to move along with the inner barrel, thereby realizing the purposes of washing and rinsing, avoiding the formation of cracks between the impeller and the inner barrel bottom and reducing dirt in the barrel.

The washing machine in this embodiment may be any washing machine in the prior art that only needs to drive the inner tub 100 to rotate independently, for example: the washing machine is a washing-free washing machine in which the inner tub is a water container during washing, a self-cleaning washing machine in which cleaning particles are arranged between the inner tub and the outer tub, a flocculation washing machine in which flocculation treatment is carried out on washing water for reuse, and the like.

In this embodiment, the speed reducing clutch 200 and the driving motor 5 are mounted on an outer tub or a supporting member of the washing machine together, and the speed reducing clutch 200 is coaxially disposed with the driving motor 5 and the inner tub 100 to ensure the rotational stability of the inner tub 100.

In this embodiment, in order to enhance the connection strength between the output shaft 1 of the speed reducing clutch and the bottom of the inner barrel, and prevent the rotation torque from being directly transmitted to the bottom of the inner barrel when the output shaft 1 rotates, a bracket is fixedly installed below the bottom of the inner barrel, and further, in order to prevent water leakage caused by the direct installation of the bracket and the bottom of the inner barrel, the invention changes the installation mode of the bracket, cancels the fixing structure of the bracket and the bottom of the barrel, and designs to downwards extend the lower part of the inner barrel, and sets a circle of cylindrical extension part protruding out of the lower surface of the bottom of the inner barrel, and the bracket is fixedly connected with the cylindrical extension part of the lower part of the barrel through a radially installed fixing piece, thereby fixing the bracket below the bottom of the barrel.

The invention is, of course, not limited to the above examples, but it will be obvious to a person skilled in the art that various modifications and changes can be made to the invention without departing from the spirit or scope of the invention, which is defined in the claims and their equivalents.

Claims

1. A speed reducing clutch comprises an input shaft, an output shaft, a speed reducing gear box and a transmission gear set arranged in the speed reducing gear box; the method is characterized in that: the clutch device is used for connecting the output shaft with the input shaft through a transmission gear set in a phase-difference speed transmission way or connecting the output shaft with the input shaft through a reduction gear box in the same speed transmission way;

the output shaft is connected with the reduction gear box, and the clutch device is used for directly connecting the reduction gear box with the input shaft at the same speed in a transmission manner or connecting the reduction gear box with the input shaft at a different speed in a transmission manner through a transmission gear set;

the input shaft is meshed with the input end of the transmission gear set, and the output end of the transmission gear set is meshed with the reduction gear box; the transmission gear set comprises at least one stage of transmission gear, the transmission gear is arranged on a wheel carrier, and the wheel carrier is meshed with the reduction gear box through a clutch device to rotate at the same speed or meshed and fixed with the shell of the reduction gear;

the reduction gear box of the reduction clutch only has a single output end, and is used for outputting all power transmitted into the reduction gear box to an output shaft;

the clutch device comprises a clutch sleeve and a driving device, wherein the clutch sleeve is connected with the wheel frame in a same-speed rotation manner or integrally arranged, and can move under the action of the driving device, so that the clutch sleeve and the reduction gear box are meshed and rotated in a same speed manner or meshed and fixed with the reducer shell;

the transmission gear set comprises a central wheel meshed with the input shaft, an inner gear ring fixedly connected with the reduction gear box, a transmission gear is meshed with the central wheel through a transmission gear, the transmission gear is arranged on a wheel frame, the lower end of the wheel frame penetrates out of the reduction gear box, and a clutch sleeve is arranged at the penetrating-out end of the wheel frame;

the lower side of the reduction gear box is provided with a lock tongue meshed with a clutch sleeve, the shell of the reduction gear box is provided with a fixed pin meshed with the clutch sleeve, and the clutch sleeve moves under the action of a driving device to be meshed with the lock tongue in a co-rotation mode or meshed with the fixed pin to be relatively fixed.

2. The reduction clutch according to claim 1, wherein: when the washing machine executes a washing program, the clutch sleeve of the speed reduction clutch is fixedly engaged with the fixed pin arranged on the shell of the speed reduction clutch, and the wheel frame of the speed reduction clutch is fixed with the shell of the speed reduction clutch;

when the washing machine executes the dewatering program, the clutch sleeve of the speed reducing clutch is fixedly meshed with the lock tongue arranged on the speed reducing gear box, and the wheel frame of the speed reducing clutch is fixed with the speed reducing gear box.

3. A washing machine, which comprises a washing machine,

the bottom of the inner barrel is provided with a bulge which rotates at the same speed and is used for stirring water flow;

the method is characterized in that: a speed reducing clutch as set forth in any one of claims 1 to 2, wherein an output shaft of the speed reducing clutch is connected to the inner tub, and an input shaft is connected to a driving motor of the washing machine, and power of the driving motor is entirely output to the inner tub in the form of an adjustable transmission ratio.

4. A washing machine as claimed in claim 3, wherein: the inner tub is a water container for containing washing water during a washing process of the washing machine.