CN113550109B

CN113550109B - Double-drum washing machine with high adaptability

Info

Publication number: CN113550109B
Application number: CN202110866314.XA
Authority: CN
Inventors: 潘俊峰; 俞智伟
Original assignee: Ningbo Kingsun Group Co ltd
Current assignee: Ningbo Kingsun Group Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2023-04-11
Anticipated expiration: 2041-07-29
Also published as: CN113550109A

Abstract

The invention discloses a high-adaptability double-drum washing machine, which relates to the technical field of washing machines and comprises a base and a dewatering drum, wherein a driving motor is arranged in the base, a washing drum is arranged on the base, a wave wheel is rotationally arranged in the washing drum, the driving motor is used for driving the wave wheel to rotate, the bottom of the dewatering drum is clamped on a bulge of the wave wheel in dewatering, the centrifugal clamping mechanism also comprises at least one centrifugal clamping mechanism, the centrifugal clamping mechanism comprises a sliding part and a reset unit, the sliding part is arranged on the bulge in a sliding manner along the radial direction of the wave wheel, the centrifugal force applied to the sliding part in dewatering is greater than the acting force of the reset unit on the sliding part, and one end of the sliding part is clamped with the bottom of the dewatering drum. According to the invention, the centrifugal clamping mechanism is additionally arranged between the bottom of the dewatering barrel and the impeller, and one end of the sliding part slides out of the through groove due to the centrifugal force applied to the sliding part during dewatering and is clamped with the bottom of the dewatering barrel, so that the rotating speeds of the impeller and the dewatering barrel can be continuously increased, and the fabric in the dewatering barrel can be dried more thoroughly.

Description

Double-drum washing machine with high adaptability

Technical Field

The invention relates to the technical field of washing machines, in particular to a high-adaptability double-drum washing machine.

Background

The double-drum washing machine is a washing machine comprising a washing drum and a dewatering drum, the washing drum and the dewatering drum are generally arranged in parallel, and in order to take the washing function and the portability into consideration, a small double-drum washing machine with a detachable dewatering drum is provided at present, and is popular among consumers.

The small-sized double-barrel washing machine comprises a base, wherein a driving motor is arranged in the base, a washing barrel is arranged on the base, a wave wheel is rotationally arranged in the washing barrel, the driving motor is used for driving the wave wheel to rotate, and fabrics are placed in the washing barrel for washing during washing; during dehydration, still include a dewatering barrel, with in the clothing shifts to dewatering barrel from the washtub, dewatering barrel puts into the washtub, and dewatering barrel's bottom is provided with the sunken of protruding looks adaptation on with the impeller to make dewatering barrel through the sunken block of bottom on the arch of impeller, accept the impeller drive, follow the impeller rotation, realize the fabric dehydration.

However, in the prior art, the rotating speed of the driving motor driving the dewatering tub to rotate through the impeller is not very high, because the impeller is prevented from damaging the clothes to be washed, the protrusion on the impeller is designed to be a smooth arc-shaped surface, the dewatering tub is tightly clamped on the protrusion of the impeller by virtue of the gravity of the dewatering tub and the fabric inside the dewatering tub, the rotating speed of the impeller driven by the driving motor at one end is too high, the dewatering tub is easily separated from the clamping with the protrusion of the impeller in the process of being driven to rotate by the impeller, therefore, the rotating speed of the existing double-tub washing machine during dewatering can not be set to be very high, and therefore, the defect that the dewatering tub is not thorough enough, and the fabric still contains relatively high moisture after the dewatering is finished is also existed.

Disclosure of Invention

The invention aims to provide a double-drum washing machine with high adaptability so as to solve the defects in the prior art.

In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides a twin-tub washing machine of high suitability, includes base and dehydration bucket, be provided with driving motor in the base, be provided with the washing tub on the base, the washing tub internal rotation is provided with the impeller, driving motor is used for driving the impeller and rotates, when dehydration bucket bottom block in the arch of impeller, still include at least one centrifugal latch mechanism, centrifugal latch mechanism includes sliding part and reset unit, keep away from the one end at impeller center in the arch of impeller and seted up logical groove, sliding part along the radial slip of impeller set up in logical inslot, dehydration bucket bottom be provided with sliding part joint complex draw-in groove, when washing impeller rotational speed default is no longer than, reset unit applys the effort towards the impeller center to the sliding part, makes the sliding part keep away from the one end at impeller center and bellied surface parallel and level, when dehydration the impeller rotational speed exceeds the default, the centrifugal force that the sliding part received is greater than reset unit to its effort, sliding part one end roll-off leads to the inslot and gets into the draw-in with dehydration bucket bottom joint.

Furthermore, one of the protrusion and the sliding part of the impeller is provided with a limiting groove, the other one of the protrusion and the sliding part of the impeller is provided with a limiting block positioned in the limiting groove, and the two ends of the limiting block and the two ends of the limiting groove are in blocking fit to limit the sliding amplitude of the sliding part.

Furthermore, the reset unit comprises a first elastic unit, and the first elastic unit drives the sliding part to slide towards the center of the impeller in the process of restoring the deformation.

Furthermore, the first elastic unit is a tension spring, one end of the tension spring is connected with the sliding part, the other end of the tension spring is connected with the protrusion through a fixing block, and the fixing block is located between the center of the impeller and the sliding part.

Further, the reset unit includes wedge and counter weight ball, fixedly connected with connecting rod on the counter weight ball, the other end and the sliding block of connecting rod are articulated, wedge fixed connection is on the impeller, the counter weight ball slides and sets up on the inclined plane of wedge.

Furthermore, one end of the sliding part, which is far away from the center of the impeller, is an arc-shaped surface matched with the bulge.

Further, still include overload protection mechanism, overload protection mechanism includes first axostylus axostyle, second axostylus axostyle, third axostylus axostyle and second elastic element, wherein, first axostylus axostyle bottom and driving motor's pivot coaxial coupling, second axostylus axostyle top end fixed connection has seted up cylindrical groove in the center of impeller bottom, and cylindrical groove has been seted up along the axial to its bottom, be annular array ground and seted up a plurality of helical grooves on cylindrical groove's the inner wall, seted up an annular channel on cylindrical groove's the inner wall, the annular channel communicates with the bottom in each helical groove, third axostylus axostyle bottom and first axostylus axostyle sliding connection, and its top week side is provided with a plurality of slip bumps, each slip bump one-to-one and each helical groove sliding fit, second elastic element, its elasticity is vertical upwards acted on the third axostylus axostyle.

Furthermore, the cross section of the spiral groove is semicircular, the sliding salient point is hemispherical, the cross section of the annular groove is semicircular, and the diameter of the sliding salient point is matched with the diameters of the cross sections of the spiral groove and the annular groove.

Further, the second elastic unit comprises a rotating ring and a pressure spring, the rotating ring is rotatably sleeved on the third shaft rod, the peripheral side face of the rotating ring is vertically arranged on the inner wall of the cylindrical groove in a sliding mode, the top of the pressure spring is fixedly connected with the rotating ring, and the bottom of the pressure spring is fixedly connected with the second shaft rod.

Further, the second elastic unit comprises a rotating ring and a pressure spring, the rotating ring is rotatably arranged on the inner wall of the cylindrical groove, the inner side of the rotating ring is vertically arranged on the second shaft rod in a sliding mode, the top of the pressure spring is fixedly connected with the second shaft rod, and the bottom end of the pressure spring is fixedly connected with the rotating ring.

In the technical scheme, the centrifugal clamping mechanism is additionally arranged between the bottom of the dewatering barrel and the impeller, when in washing, because the rotating speed of the impeller is very slow, the lower end part of the sliding part under the action of the reset unit is flush with the outer surface of the bulge, so that a smooth arc surface is formed together with the bulge of the impeller, and the washed fabrics cannot be damaged.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is a schematic diagram of an overall structure provided by an embodiment of the present invention;

FIG. 2 is a top view of the overall structure provided by an embodiment of the present invention;

FIG. 3 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 2 according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a dewatering barrel according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a pulsator according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of a pulsator and a centrifugal clamping mechanism according to an embodiment of the present invention;

FIG. 7 is a schematic structural view of the centrifugal clamping mechanism according to the embodiment of the present invention when the centrifugal clamping mechanism is not clamped to the bottom of the dewatering bucket;

FIG. 8 is a schematic structural view of a centrifugal clamping mechanism provided in an embodiment of the present invention clamping to the bottom of a dewatering bucket;

FIG. 9 is a schematic structural view of a centrifugal clamping mechanism according to another embodiment of the present invention, when the centrifugal clamping mechanism is not clamped to the bottom of the dewatering bucket;

FIG. 10 is a schematic view of a centrifugal clamping mechanism according to another embodiment of the present invention clamping to the bottom of a dewatering drum;

FIG. 11 is a schematic structural view of a second shaft according to an embodiment of the present invention;

fig. 12 is a schematic structural view of a first shaft, a third shaft and a second elastic unit according to an embodiment of the present invention;

fig. 13 is a schematic structural diagram of an overload protection mechanism when the overload protection mechanism is not applied;

fig. 14 is a schematic structural diagram of an overload protection mechanism provided in an embodiment of the present invention;

fig. 15 is a schematic structural diagram of an overload protection mechanism according to another embodiment of the present invention.

Description of the reference numerals:

1. a base; 2. a drive motor; 3. a washing tub; 4. an impeller; 4.1, a bulge; 5. a dewatering barrel; 5.1, sinking; 6. a centrifugal clamping mechanism; 6.1, a sliding part; 6.2, a reset unit; 6.21, a first elastic unit; 6.22, fixing blocks; 6.23, wedge-shaped blocks; 6.24, a counterweight ball; 6.25, connecting rod; 7. a limiting groove; 8. a limiting block; 9. an overload protection mechanism; 9.1, a first shaft lever; 9.2, a second shaft rod; 9.21, cylindrical groove; 9.22, a spiral groove; 9.23, an annular groove; 9.3, a third shaft lever; 9.31, sliding salient points; 9.4, a second elastic unit; 9.41, a rotating ring; 9.42 and a pressure spring.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

Referring to fig. 1-15, a high-adaptability twin-tub washing machine according to an embodiment of the present invention includes a base 1 and a dewatering tub 5, a driving motor 2 is disposed in the base 1, a washing tub 3 is disposed on the base 1, a pulsator 4 is rotatably disposed in the washing tub 3, the driving motor 2 is used for driving the pulsator 4 to rotate, a recess 5.1 adapted to a protrusion 4.1 of the pulsator 4 is disposed at the bottom of the dewatering tub 5, when dewatering, the dewatering barrel 5 is clamped on the bulge 4.1 of the wave wheel 4 through the dent 5.1, and also comprises at least one centrifugal clamping mechanism 6, the centrifugal clamping mechanism 6 comprises a sliding part 6.1 and a reset unit 6.2, one end of the bulge 4.1 of the wave wheel 4 far away from the center of the wave wheel 4 is provided with a through groove, the sliding part 6.1 is arranged in the through groove along the radial direction of the wave wheel 4 in a sliding way, the sliding part 6.1 carries out certain counterweight treatment, the bottom of the dewatering barrel 5 is provided with a clamping groove which is clamped and matched with the sliding part 6.1, when the rotating speed of the impeller 4 does not exceed the preset value during washing, the reset unit 6.2 applies acting force towards the center of the impeller 4 to the sliding part 6.1, so that one end of the sliding part 6.1 far away from the center of the impeller 4 is flush with the outer surface of the bulge 4.1, when the rotating speed of the impeller 4 exceeds the preset value during dewatering, the centrifugal force applied to the sliding part 6.1 is larger than the acting force of the reset unit 6.2 on the sliding part, the sliding part 6.1 can slide towards the direction far away from the center of the impeller 4 under the action of the centrifugal force, so that one end of the sliding part 6.1 slides out of the through groove to enter the clamping groove to be clamped with the bottom of the dewatering barrel 5, the preset value is not less than the rotating speed of the impeller 4 in the washing mode, so as to ensure that the sliding part 6.1 can not be protruded out of the protrusion 4.1 due to the centrifugal force sliding out of the through groove during washing to cause fabric scratching, the preset value is set by adjusting the magnitude of the acting force applied by the resetting unit 6.2 to the sliding part 6.1.

In the technical scheme, the centrifugal clamping mechanism 6 is additionally arranged between the bottom of the dewatering barrel 5 and the impeller 4, when washing, because the rotating speed of the impeller 4 is very slow, the centrifugal force borne by the sliding part 6.1 is not enough to offset the aligning acting force of the reset unit 6.2, the lower end part of the sliding part 6.1 under the action of the reset unit 6.2 is flush with the outer surface of the bulge 4.1, one end of the sliding part 6.1, which is far away from the center of the impeller 4, is an arc-shaped surface matched with the outer surface of the bulge 4.1, so that the sliding part and the bulge 4.1 of the impeller 4 form an overall smooth arc surface, the washed fabrics cannot be damaged, and the fabrics in the washing barrel 3 are transferred into the dewatering barrel 5 during dewatering, the dewatering barrel 5 is placed in the washing barrel 3, the dewatering barrel 5 is pre-clamped with the bulge 4.1 of the impeller 4 through the dent 5.1 at the bottom of the dewatering barrel, the driving motor 2 drives the impeller 4 to rotate, the impeller 4 drives the dewatering barrel 5 clamped on the impeller 4 to rotate, the pre-clamping is stable when the impeller 4 rotates at a low and medium speed, but at the same time, the centrifugal force applied to the sliding part 6.1 is increased due to the increase of the rotating speed of the impeller 4, when the centrifugal force applied to the sliding part 6.1 is greater than the acting force of the reset unit 6.2 on the sliding part, one end of the sliding part 6.1 slides out of the through groove and is clamped with the clamping groove at the bottom of the dewatering barrel 5, so that the rotating speeds of the impeller 4 and the dewatering barrel 5 can be continuously increased, the dewatering barrel 5 rotates at a high speed, and fabrics in the dewatering barrel 5 can be more thoroughly dried.

Further, be provided with spacing groove 7 on one of arch 4.1 of impeller 4 and sliding part 6.1, be provided with the stopper 8 that is located spacing groove 7 on the other, stopper 8 meets the cooperation with the slip range of restriction sliding part 6.1 with 7 both ends fender of spacing groove, and is concrete, and spacing groove 7 sets up on arch 4.1 of impeller 4, and stopper 8 sets up on sliding part 6.1, or spacing groove 7 sets up on sliding part 6.1, and stopper 8 sets up on arch 4.1 of impeller 4. When the limiting block 8 and the limiting groove 7 are in blocking connection with the groove wall of one end, close to the center of the impeller 4, of the limiting groove 7, at the moment, one end, far away from the center of the impeller 4, of the sliding portion 6.1 is just flush with the outer surface of the protrusion 4.1, namely flush with the notch of the through groove, the end portion of the sliding portion 6.1 and the protrusion 4.1 of the impeller 4 form a smooth arc surface together, so that the washed fabric cannot be scraped and damaged during washing, during dewatering, because the impeller 4 rotates at a high speed, the sliding portion 6.1 can slide towards the direction far away from the center of the impeller 4 under the action of centrifugal force, the end portion of the sliding portion 6.1 slides out of the through groove to enter the clamping groove, until the limiting block 8 and the limiting groove 7 are in blocking connection with the groove wall of one end, so that the reset unit 6.2 cannot be reset due to irreversible damage.

As a preferred technical solution of this embodiment, referring to fig. 7-8, the dewatering barrel 5 of fig. 7-8 only shows the bottom thereof, the resetting unit includes a first elastic unit 6.21, and the process of the first elastic unit 6.21 restoring the deformation drives the sliding part 6.1 to slide toward the center of the pulsator 4. Specifically, the first elastic unit 6.21 is a tension spring, one end of the tension spring is connected with the sliding portion 6.1, the other end of the tension spring is connected with the protrusion 4.1 through a fixing block 6.22, and the fixing block 6.22 is located between the center of the impeller 4 and the sliding portion 6.1. The first elastic unit 6.21 may also be a spring or an elastic sheet, and only needs to be assembled such that its elastic force acts on the sliding part 6.1 in the sliding direction of the movable part, and the direction of the elastic force is toward the center of the pulsator 4.

As another preferred technical solution of this embodiment, referring to fig. 9-10, the resetting unit 6.2 includes a wedge block 6.23 and a counterweight ball 6.24, a connecting rod 6.25 is fixedly connected to the counterweight ball 6.24, the other end of the connecting rod 6.25 is hinged to the sliding block, the wedge block 6.23 is fixedly connected to the pulsator 4, the counterweight ball 6.24 is slidably disposed on the inclined surface of the wedge block 6.23, the counterweight ball 6.24 is under the action of gravity to slide downward along the inclined surface of the wedge block 6.23 or has a downward sliding tendency, so that the counterweight ball 6.24 exerts an acting force on the sliding portion 6.1, the acting force makes one end of the sliding portion 6.1, which is far away from the center of the pulsator 4, flush with the outer surface of the protrusion 4.1 to form a smooth and complete arc surface, when the sliding portion 6.1 is subjected to the acting force during dewatering, the sliding portion 6.1 slides into the slot, and the sliding portion 6.1 drives the counterweight ball 6.24 to move upward along the inclined surface of the wedge block 6.23 through the connecting rod 6.25, and when the acting force is greater than the acting, the sliding portion of the sliding portion 6.1, the sliding portion gradually disappears until the end of the sliding portion 6.1 is driven by the centrifugal force.

In still another embodiment of the present invention, referring to fig. 11-15, the present invention further comprises an overload protection mechanism 9, since the centrifugal latch mechanism 6 is provided, the rotation speed of the dewatering tub 5 for dewatering the fabric is greatly increased, which means that the power of the driving motor 2 is also increased correspondingly, but if the weight of the fabric to be dewatered is too large or the dewatering tub 5 and the pulsator 4 are seriously eccentric, the driving motor 2 cannot smoothly rotate the dewatering tub 5 through the pulsator 4, especially if the user does not immediately find that the fabric is burnt out due to overload, and after the overload protection mechanism 9 is provided, the driving motor 2 can be protected when the above situation occurs. Specifically, the overload protection mechanism 9 includes a first shaft rod 9.1, a second shaft rod 9.2, a third shaft rod 9.3, and a second elastic unit 9.4, wherein the bottom end of the first shaft rod 9.1 is coaxially connected with the rotating shaft of the driving motor 2, the top end of the second shaft rod 9.2 is fixedly connected to the center of the bottom of the pulsator 4, the bottom end is axially provided with a cylindrical groove 9.21, the inner wall of the cylindrical groove 9.21 is provided with a plurality of spiral grooves 9.22 in an annular array distribution, each spiral groove 9.22 is inclined downwards in an annular shape along the inner wall of the cylindrical groove 9.21, the number of the spiral grooves 9.22 is preferably 2-6, the circumferential side surface of the inner wall of the cylindrical groove 9.21 is provided with a circle of annular grooves 9.23, the annular grooves 9.23 are communicated with the bottom of each spiral groove 9.22, the bottom end of the third shaft rod 9.3 is slidably connected with the first shaft rod 9.1, specifically, the first shaft rod 9.1 is provided with a sliding structure, such as a sliding groove, the second shaft rod 9.2 is provided with a structure matched with the sliding structure, such as the matching of a sliding edge and the sliding groove or other sliding matching in the prior art, the periphery of the top end of the third shaft rod 9.3 is provided with a plurality of sliding salient points 9.31, each sliding salient point 9.31 is in one-to-one correspondence to each spiral groove 9.22 in sliding matching, further, the cross section of each spiral groove 9.22 is semicircular, the sliding salient points 9.31 are hemispherical, the cross section of each annular groove 9.23 is semicircular, the diameter of each sliding salient point 9.31 is matched with the cross section of each spiral groove 9.22 and each annular groove 9.23, and the elasticity of the second elastic unit 9.4 acts on the third shaft rod 9.3 vertically and upwards.

As shown in fig. 13 or fig. 15, the elastic force of the second elastic unit 9.4 keeps each sliding contact in the corresponding spiral groove 9.22, the driving motor 2 drives the first shaft 9.1 to rotate, the first shaft drives the third shaft 9.3 to rotate, the third shaft 9.3 drives the second shaft 9.2 to rotate through the sliding contact, so that the second shaft 9.2 drives the pulsator 4 and the dewatering tub 5 to rotate, when the driving motor 2 is overloaded, i.e. when the driving motor 2 cannot drive the dewatering tub 5 to rotate, or when the dewatering tub 5 stops suddenly due to factors such as toppling and jamming during rotation of the dewatering tub 5, the pulsator 4 and the second shaft 9.2 cannot rotate, the driving motor 2 drives the third shaft rod 9.3 to rotate through the first shaft rod 9.1, but because the second shaft rod 9.2 cannot rotate, the sliding salient point 9.31 on the third shaft rod 9.3 can rotate along with the third shaft rod 9.3, and the sliding salient point 9.31 is in sliding fit along the spiral groove 9.22, so that the third shaft rod 9.3 can slide downwards while rotating by overcoming the elastic force of the second elastic unit 9.4 until the sliding salient point 9.31 slides into the annular groove 9.23 from the spiral groove 9.22, as shown in fig. 14, at this time, the driving motor 2 drives the sliding contact to slide along the annular groove 9.23 in the annular groove 9.23 through the first shaft rod 9.1 and the third shaft rod 9.3, that is, the driving motor 2 idles, and thus the driving motor 2 can play a role in protecting. When the overload is relieved, the elastic force of the second elastic unit 9.4 enables the sliding salient point 9.31 to slide into the spiral groove 9.22 again, and the third shaft lever 9.3 drives the second shaft lever 9.2, the impeller 4 and the dewatering barrel 5 to rotate through the matching of the sliding salient point 9.31 and the spiral groove 9.22.

As a preferable technical solution of this embodiment, the second elastic unit 9.4 includes a rotating ring 9.41 and a pressure spring 9.42, the rotating ring 9.41 is rotatably sleeved on the third shaft 9.3, and the peripheral side surface of the rotating ring 9.41 is vertically slidably disposed on the inner wall of the cylindrical groove 9.21, the top of the pressure spring 9.42 is fixedly connected with the rotating ring 9.41, and the bottom end is fixedly connected with the second shaft 9.2. In this way, during normal dewatering or washing, the third shaft 9.3, the compression spring 9.42, the rotating ring 9.41 and the second shaft 9.2 all rotate synchronously, and when the sliding salient points 9.31 on the third shaft 9.3 are located in the annular groove 9.23, i.e. when the third shaft 9.3 idles, the compression spring 9.42 and the rotating ring 9.41 in the present technical solution will no longer rotate along with the third shaft 9.3, but will keep relatively stationary with the second shaft 9.2, i.e. the second elastic unit 9.4 can function normally regardless of overload.

As another preferable technical solution of this embodiment, referring to fig. 15, the second elastic unit 9.4 includes a rotating ring 9.41 and a pressure spring 9.42, the rotating ring 9.41 is rotatably disposed on the inner wall of the cylindrical groove 9.21, the inner side of the rotating ring 9.41 is vertically slidably disposed on the second shaft rod 9.2, the top of the pressure spring 9.42 is fixedly connected with the second shaft rod 9.2, and the bottom end of the pressure spring is fixedly connected with the rotating ring 9.41. Thus, during normal dewatering or washing, the third shaft 9.3, the compression spring 9.42, the rotating ring 9.41 and the second shaft 9.2 all rotate synchronously, and when the sliding salient points 9.31 on the third shaft 9.3 are located in the annular groove 9.23, i.e. when the third shaft 9.3 idles, the compression spring 9.42 and the rotating ring 9.41 in the technical scheme can rotate synchronously along with the third shaft 9.3.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a twin-tub washing machine of high suitability, includes base and dehydration bucket, be provided with driving motor in the base, be provided with the washing barrel on the base, the washing barrel internal rotation is provided with the impeller, driving motor is used for driving the impeller and rotates, when the dehydration bucket bottom block is on the arch of impeller, its characterized in that still includes:

the centrifugal clamping mechanism comprises a sliding part and a resetting unit, a through groove is formed in one end, far away from the center of the impeller, of the protrusion of the impeller, the sliding part is arranged in the through groove in a sliding mode along the radial direction of the impeller, and a clamping groove matched with the sliding part in a clamping mode is formed in the bottom of the dewatering barrel;

when the rotating speed of the impeller does not exceed a preset value during washing, the reset unit applies an acting force towards the center of the impeller to the sliding part, so that one end of the sliding part, which is far away from the center of the impeller, is flush with the outer surface of the bulge;

when the rotation speed of the impeller exceeds a preset value during dehydration, the centrifugal force applied to the sliding part is larger than the acting force of the reset unit on the sliding part, and one end of the sliding part slides out of the through groove to enter the clamping groove to be clamped with the bottom of the dehydration barrel;

still include overload protection mechanism, overload protection mechanism includes:

the bottom end of the first shaft rod is coaxially connected with a rotating shaft of the driving motor;

the top end of the second shaft lever is fixedly connected to the center of the bottom of the wave wheel, the bottom end of the second shaft lever is provided with a cylindrical groove along the axial direction, the inner wall of the cylindrical groove is provided with a plurality of spiral grooves in an annular array distribution manner, the inner wall of the cylindrical groove is provided with an annular groove, and the annular groove is communicated with the bottoms of the spiral grooves;

the bottom end of the third shaft rod is connected with the first shaft rod in a sliding manner, a plurality of sliding salient points are arranged on the periphery of the top end of the third shaft rod, and the sliding salient points are in one-to-one correspondence with the spiral grooves in a sliding fit manner;

and the second elastic unit acts on the third shaft rod vertically and upwards in elasticity.

2. The double-tub washing machine with high adaptability according to claim 1, wherein one of the protrusions and the sliding parts of the pulsator is provided with a limiting groove, the other one of the protrusions and the sliding parts is provided with a limiting block positioned in the limiting groove, and the limiting block is in blocking fit with two ends of the limiting groove to limit the sliding amplitude of the sliding parts.

3. The dual tub washing machine of claim 1, wherein the reset unit includes a first elastic unit, and the first elastic unit drives the sliding part to slide toward the center of the pulsator by the process of restoring the deformation.

4. The high-adaptability double-drum washing machine according to claim 3, wherein the first elastic unit is a tension spring, one end of the tension spring is connected with the sliding part, the other end of the tension spring is connected with the protrusion through a fixing block, and the fixing block is located between the center of the impeller and the sliding part.

5. The dual-tub washing machine with high adaptability according to claim 1, wherein the reset unit comprises a wedge and a counterweight ball, a connecting rod is fixedly connected to the counterweight ball, the other end of the connecting rod is hinged to the sliding block, the wedge is fixedly connected to the impeller, and the counterweight ball is slidably disposed on an inclined surface of the wedge.

6. The double-tub washing machine with high adaptability according to claim 1, wherein the end of the sliding part far from the center of the pulsator is an arc-shaped surface matched with the protrusion.

7. The washing machine as claimed in claim 1, wherein the spiral groove has a semicircular cross section, the sliding protrusion has a hemispherical shape, the annular groove has a semicircular cross section, and the diameter of the sliding protrusion is matched with the cross section of the spiral groove and the annular groove.

8. A high-adaptability twin tub washing machine according to claim 1, wherein the second elastic unit comprises:

the rotating ring is rotatably sleeved on the third shaft lever, and the peripheral side surface of the rotating ring is vertically arranged on the inner wall of the cylindrical groove in a sliding manner;

and the top of the pressure spring is fixedly connected with the rotating ring, and the bottom of the pressure spring is fixedly connected with the second shaft rod.

9. A high-adaptability twin tub washing machine according to claim 1, wherein the second elastic unit comprises:

the rotating ring is rotatably arranged on the inner wall of the cylindrical groove, and the inner side of the rotating ring is vertically and slidably arranged on the second shaft lever;

and the top of the pressure spring is fixedly connected with the second shaft rod, and the bottom of the pressure spring is fixedly connected with the rotating ring.