CN112522908A

CN112522908A - Pulsator washing machine

Info

Publication number: CN112522908A
Application number: CN202011404333.2A
Authority: CN
Inventors: 刘彦峰; 李萌朝; 吴晓飞; 刘阳; 曹明磊; 邴艾云; 姜鹏; 肖魏魏; 张士锋
Original assignee: Hisense Shandong Refrigerator Co Ltd
Current assignee: Hisense Shandong Refrigerator Co Ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-03-19
Anticipated expiration: 2040-12-04
Also published as: CN112522908B

Abstract

The invention provides a pulsator washing machine, which comprises: an outer tub, the interior of which can contain washing water; the inner cylinder is rotatably arranged in the outer cylinder; the impeller is rotatably arranged at the bottom of the inner cylinder; the motor is arranged on the outer cylinder and used for driving the inner cylinder and the impeller to rotate; a dehydrating shaft which passes through the outer cylinder and is connected to the inner cylinder for transmitting the driving force from the motor to the inner cylinder, wherein the part of the dehydrating shaft positioned outside the outer cylinder is provided with dehydrating shaft teeth; a washing shaft sleeved inside the dewatering shaft and connected to the pulsator, for transmitting a driving force from the motor to the pulsator; the locking part is arranged on the outer barrel and comprises a tightening part and an engagement part, the engagement part is provided with locking teeth and can be engaged with the dewatering shaft teeth, and the tightening part is used for tightening the engagement part to enable the locking teeth to be engaged with the dewatering shaft teeth for limiting the rotation of the dewatering shaft. The invention has the technical effects that: the reliability of the pulsator washing machine in switching between washing modes is improved.

Description

Pulsator washing machine

Technical Field

The invention belongs to the technical field of clothes cleaning, and particularly relates to a pulsator washing machine.

Background

The washing machines enter thousands of households at present and become necessities in life, the washing machines exist in a single mode at present, such as pulsator washing, hand rubbing washing, pulsator washing and hand rubbing washing modes, the washing machines have advantages and disadvantages, the materials of clothes owned by users are not the same, and the single mode washing cannot meet the requirement that the users select different washing modes according to different clothes.

Disclosure of Invention

The embodiment of the invention provides a pulsator washing machine, and mainly aims to provide a pulsator washing machine with multiple washing modes.

In order to achieve the above purpose, the embodiment of the invention adopts the following technical scheme: an outer tub, the interior of which can contain washing water; the inner cylinder is rotatably arranged in the outer cylinder; the impeller is rotatably arranged at the bottom of the inner cylinder; the motor is arranged on the outer cylinder and used for driving the inner cylinder and the impeller to rotate; a dehydrating shaft which passes through the outer cylinder and is connected to the inner cylinder for transmitting the driving force from the motor to the inner cylinder, wherein the part of the dehydrating shaft positioned outside the outer cylinder is provided with dehydrating shaft teeth; a washing shaft sleeved inside the dewatering shaft and connected to the pulsator, for transmitting a driving force from the motor to the pulsator; the locking part is arranged on the outer barrel and comprises a tightening part and an engagement part, the engagement part is provided with locking teeth and can be engaged with the dewatering shaft teeth, and the tightening part is used for tightening the engagement part to enable the locking teeth to be engaged with the dewatering shaft teeth for limiting the rotation of the dewatering shaft. And a free mode for separating the dewatering shaft from the locking pliers to limit rotation, thereby improving the reliability of the washing mode switching of the washing machine.

In the embodiment of the invention, the outer cylinder is provided with a mounting seat, the mounting seat is provided with a deflector rod and a washing tractor, the washing tractor is arranged on the mounting seat, one end of the deflector rod is provided with a gear switching component, the other end of the deflector rod is connected with the washing tractor, the washing tractor rotates the deflector rod to control the gear switching component, and the gear switching component controls the rotation directions of the inner cylinder and the impeller.

In an embodiment of the invention, a locking pliers comprises: the middle of the first swing rod is hinged with the middle of the second swing rod, one end of the first swing rod and one end of the second swing rod are respectively provided with an engaging part, the other end of the first swing rod and a tightening part, the engaging part of the first swing rod and the second swing rod is provided with a locking tooth, the tightening part of the first swing rod is hinged with a first connecting rod, the tightening part of the second swing rod is hinged with a second connecting rod, and the first connecting rod is hinged with the second connecting rod; and the locking tractor is provided with a rotatable locking cam, the locking cam is hinged with the hinged position of the first connecting rod and the second connecting rod through a tension spring to form a compound hinge, and the locking tractor drives the first oscillating bar and the second oscillating bar to rotate through rotating the locking cam so that the locking teeth are meshed with the teeth of the dewatering shaft to limit the rotation of the dewatering output shaft.

In the embodiment of the invention, a spring shaft is arranged at the position where the first swing rod and the second swing rod are hinged, and the spring shaft provides a driving force for enlarging the included angle between the first swing rod and the second swing rod.

In an embodiment of the invention, the wash tractor has two strokes, including: in the first washing stroke, the deflector rod is controlled to be at a first position, so that the inner cylinder and the impeller rotate in the same direction; and in the second washing stroke, the deflector rod is controlled to be in the second position, so that the inner cylinder and the impeller rotate reversely.

In an embodiment of the present invention, a speed reducing mechanism for transmitting a part of a rotational force of the washing shaft to the dehydrating shaft in a free mode is provided in the middle of the washing shaft.

In the embodiment of the invention, the speed reducing mechanism divides the washing shaft into the washing input shaft and the washing output shaft, and divides the dewatering shaft into the dewatering input shaft and the dewatering output shaft, and the dewatering output shaft is provided with dewatering shaft teeth.

In an embodiment of the invention, the speed reducing mechanism comprises a speed reducer shell, a supporting seat is arranged on the speed reducer shell, and the spring rotating shafts are all arranged on the supporting seat.

In the embodiment of the invention, a gear switching mechanism is arranged between the speed reducing mechanism and the motor and is used for controlling the rotating directions of the inner barrel and the impeller.

In the embodiment of the invention, the washing tractor is provided with a cam, the deflector rod is connected with the cam through a tension spring, and the washing tractor controls the deflector rod to switch between the first position and the second position by rotating the cam.

In the embodiment of the invention, the locking tractor has two states of a standby state and a first locking stroke, and when the locking tractor is in the first locking stroke, the locking cam enables the swinging rod to limit the rotation of the dehydration output shaft by pulling the connecting rod.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of a pulsator washing machine according to an embodiment of the present invention;

FIG. 2 is a side view of a pulsator washing machine according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic view of a power control system of a pulsator washing machine according to an embodiment of the present invention;

FIG. 5 is a schematic view of a locking mechanism of a pulsator washing machine according to an embodiment of the present invention;

FIG. 6 is a schematic view of a pulsator washing machine in an inner tub washing mode according to an embodiment of the present invention;

FIG. 7 is a schematic view of an embodiment of the locking mechanism for the inner drum washing mode of the present invention;

FIG. 8 is a schematic view of a pulsator washing machine in a hand washing mode according to an embodiment of the present invention;

FIG. 9 is a top view of a pulsator washing machine in a hand washing mode according to an embodiment of the present invention;

FIG. 10 is a schematic diagram of a locking mechanism for a scrubbing-by-hand mode according to an embodiment of the present invention;

FIG. 11 is a top view of a scrubbing mode locking mechanism according to an embodiment of the present invention;

FIG. 12 is a schematic view of a pulsator washing machine in a pulsator washing mode according to an embodiment of the present invention;

FIG. 13 is a top view of a pulsator washing machine in a pulsator washing mode according to an embodiment of the present invention;

FIG. 14 is a schematic view of a pulsator washing mode locking mechanism according to an embodiment of the present invention;

FIG. 15 is a top view of a pulsator washing mode locking mechanism according to an embodiment of the present invention;

FIG. 16 is a flow chart of an inner tub washing mode of the pulsator washing machine according to the embodiment of the present invention;

FIG. 17 is a flow chart of a hand-rubbing washing mode of the pulsator washing machine according to the embodiment of the present invention;

FIG. 18 is a flow chart of the pulsator washing mode of the pulsator washing machine according to the embodiment of the present invention;

FIG. 19 is a flow chart of single dehydration of the pulsator washing machine according to the embodiment of the present invention;

FIG. 20 is a flow chart of dewatering after washing in the pulsator washing machine according to the embodiment of the present invention;

in the above figures: 1. a box body; 2. a power control system; 21. a gear control mechanism; 211. a connecting member; 212. a clutch sleeve; 22. an input shaft mechanism; 221. washing the input shaft; 222. a dewatering input shaft; 23. A speed reduction mechanism; 231. a sun gear; 232. a planet wheel; 233. a ring gear; 234. a planet carrier; 24. an output shaft mechanism; 241. washing the output shaft; 242. a dehydration output shaft; 242-1, dewatering output shaft teeth; 25. a reducer housing; 251. a mounting seat; 252. a supporting seat; 3. a dewatering tractor; 301. pulling the block; 4. washing the tractor; 401. a deflector rod; 402. a tension spring; 403. a cam; 5. a brake control lever; 501. the brake belt is provided with a rotating shaft; 502. a brake band; 503. a control lever shaft; 6. locking the retractor; 601. a locking cam; 602. locking the tension spring; 603. a connecting shaft; 603-1, a first connecting rod; 603-2 and a second connecting rod; 604. a first swing link; 604-1, a first rocker tooth; 605. a second swing link; 605-1, a second swing rod tooth; 606. a spring shaft; 7. A drain valve; 8. an impeller; 9. an inner barrel; 10. an outer cylinder; 11. an electric motor.

Detailed Description

The invention is described in detail below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, an embodiment of the present invention provides a pulsator washing machine having a cabinet 1 for forming an external appearance, and an inner and outer tub assembly provided in the cabinet 1, the inner tub assembly being composed of an outer tub 10 and an inner tub 12, an inner tub 9 rotatable with respect to the outer tub 10 being provided in the outer tub 10, and the inner tub 9 and the outer tub 10 having a common axial center, a rotatable pulsator 8 being provided at the center of the inner tub 9, the pulsator 8 and the inner tub 9 having a common axial center, the inner tub 9 and the pulsator 8 being rotatable in the same direction and in opposite directions to each other, or the inner tub 9 being stopped and the pulsator 8 being rotatable, under the driving of a motor 11.

The lower end of the box body 1 and the lower end of the inner and outer cylinder assemblies are provided with a power control system 2 of the pulsator washing machine, and the power control system 2 is used for transmitting the driving force generated by the motor 11 to the inner cylinder 9 and the pulsator 8 through reversing.

Referring to fig. 2, the power control system 2 includes a shift control mechanism 21 connected to the motor 11, an input shaft mechanism 22, a speed reduction mechanism 23 connected to the input shaft mechanism, a link 211 is provided in the shift switching mechanism 21, the link 211 is slid to change the connection between the input shaft mechanism 22 and the speed reduction mechanism 23, and a driving force reversed by the speed reduction mechanism 23 is input to the inner drum 9 and the pulsator 8 through an output shaft mechanism 24.

Referring to fig. 4, the shift position control mechanism 21 of the embodiment of the invention includes: a clutch sleeve 212 arranged between the connecting piece 211 and the motor 11, the clutch sleeve 212 is fixedly connected with the output shaft of the motor 11, the input shaft mechanism 22 is arranged at the inner ring of the connecting piece 211, the input shaft mechanism 22 comprises a dehydration input shaft 222 and a washing input shaft 221 arranged at the inner ring of the dehydration input shaft 222, the motor 11 is fixedly connected with the washing input shaft 221 and the clutch sleeve 212, the inner ring of the connecting piece 211 is always meshed with the dehydration input shaft 222, the clutch sleeve 212 is meshed with or separated from the connecting piece 211 by sliding the connecting piece 211, and the washing input shaft 221 is directly connected with the motor 11 and is used for inputting the main driving force of the motor 11 to the speed reducing mechanism 23; the washing input shaft 221 and the dehydrating input shaft 222 may rotate independently of each other.

A reducer housing 25 for mounting the reduction mechanism 23 is provided at an outer side of the reduction mechanism 23, a support seat 252 is provided at a top surface of the housing 25 close to the connection member 211, a compression spring is provided between the support seat 252 and the connection member 211 to provide an elastic force of the connection member 211 away from the support seat 252, and the support seat 252 is used for supporting the connection member 211 and transmitting a driving force of the motor 11 to the dehydration input shaft 222 through the clutch sleeve 212 when the connection member 211 slides close to the support seat 252 and the connection member 211 is engaged with the clutch sleeve 212, so that the dehydration input shaft 222 and the washing input shaft 221 rotate in the same direction.

The output shaft mechanism 24 includes: a washing output shaft 241 and a dewatering output shaft 242, wherein the washing output shaft 241 transmits the driving force passing through the speed reducing mechanism 23 to the pulsator 8, and the dewatering output shaft 242 transmits the driving force passing through the speed reducing mechanism 23 to the inner drum 9.

The speed reducing mechanism 23 in the speed reducer casing 25 is a planetary gear train, which comprises a casing for supporting the planetary gear train and is composed of a dewatering input shaft 222 and a dewatering output shaft 242, a gear ring 233 is fixedly connected in the casing of the planetary gear train, a planetary gear 232 is meshed with an inner ring of the gear ring 233, the center of the planetary gear 232 is rotatably connected to a planetary carrier 234, the planetary carrier 234 is driven by the planetary gear 232 to rotate, the center of the planetary carrier 234 is fixedly connected with a washing output shaft 241, one side of the planetary gear 232 is meshed with the gear ring 233, the other side is meshed with a sun gear 231, the sun gear 231 is the tail end of the washing input shaft 221, and the washing input shaft 221 transmits the driving force of the motor 11.

The bottom surface of the outer tub 10 is provided with a mounting seat 251 for fixing the entire power transmission system 2 including the reduction mechanism 23 within the cabinet 1, and the mounting seat 251 is also used for mounting other washing machine components.

Referring to fig. 1 to 5, in order to change the engagement of the link 211 by sliding the link 211, in an embodiment of the present invention, a washing retractor 4 is provided on the mounting seat 251, a rotatable cam 403 is provided on the washing retractor 4, the washing retractor 4 has a first stroke and a second stroke, when the washing retractor 4 is in the first stroke and the second stroke, the cam 403 rotates to 2 different angles, the longest end of the cam 403 is provided with a tension spring 402, the other end of the tension spring 402 is connected with a shift lever 401, the middle of the shift lever 401 rotates to be provided with a spring pin shaft which is fixedly arranged on the reducer shell 25, one end of the shift lever 401 is connected with the tension spring 402, the other end of the shift lever 401 leans against the connecting piece 211 in a forked shape, the spring pin shaft provides the elasticity for the shift lever 401 to rotate to be close to the clutch sleeve 212, and the washing tractor 4 rotates the cam 403 to make the shift lever 3 overcome the elastic force of the spring pin shaft to make the shift lever 401 rotate to drive the connecting piece 211 to be far away from the clutch sleeve 212.

Under the condition that the shifting lever 401 has no interference of external force, the spring rotating shaft 32 drives the forked end of the shifting lever 401 to be close to the clutch sleeve 212, the connecting piece 211 is pushed to the clutch sleeve 212 by a compression spring without the limit of the shifting lever 401, so that the connecting piece 211 is meshed with the clutch sleeve 212, when the washing tractor 4 pulls the shifting lever 401 to rotate, the connecting piece 211 is switched back and forth between a first position and a second position along with the shifting lever 401, and the first position and the second position of the connecting piece 211 are equal to the first position and the second position of the shifting lever 401 because the connecting piece 211 moves along with the rotation of the shifting lever 401.

Referring to fig. 5-7, in an embodiment of the present invention, a locking retractor 6 is disposed on a mounting seat 251, the locking retractor 6 is disposed with a rotatable locking cam 601, a locking tension spring 602 is connected to the locking cam 601, the other end of the locking tension spring 602 is hinged to a connecting rod 603, a first connecting rod 603-1 and a second connecting rod 603-2 are hinged to the connecting rod 603 to form a compound hinge, the first connecting rod 603-1 and the second connecting rod 603-2 form a tightening portion of a first swing link 604 and a second swing link 605, the first connecting rod 603-1 is hinged to a first swing link 604, the second connecting rod 603-2 is hinged to a second swing link 605, the first swing link 604 and the second swing link 605 are hinged to a spring shaft 606, the spring shaft 606 is fixedly disposed on the mounting seat 251, the spring shaft 606 provides an elastic force for expanding an included angle between the first swing link 604 and the second swing link 605, the tail end of the first swing rod 604 is provided with a first swing rod tooth 604-1, the tail end of the second swing rod 605 is provided with a second swing rod tooth 605-1, the first swing rod tooth 604-1 and the second swing rod tooth 605-1 form an engaging part of the first swing rod 604 and the second swing rod 605, the first swing rod tooth 604-1 and the second swing rod tooth 605-1 are both positioned on the same horizontal plane with a dehydration output shaft tooth 242-1 on the dehydration output shaft 242, and the tractor 6 is locked to tighten the angles of the first swing rod 604 and the second swing rod 605 by rotating the locking cam 6, so that the first swing rod tooth 604-1 and the second swing rod tooth 605-1 are engaged with the dehydration output shaft tooth 242-1 on the dehydration output shaft 242, so as to limit the rotation of the dehydration output shaft 242, namely, the inner cylinder 9.

Referring to fig. 6 and 7, the first position of the connecting member 211 is that the connecting member 211 is engaged with the clutch sleeve 212 of the motor 11, so that the washing input shaft 221 rotates in the same direction as the dehydration input shaft 222, and the inner drum 9 rotates in the same direction as the pulsator 8, referring to fig. 8-11, the second position of the connecting member 211 is that the connecting member 211 is disengaged from the clutch sleeve 212, so that the connecting member 211, the dehydration input shaft 222 and the dehydration output shaft 242 are in a free state, i.e. the inner drum 12 is in a free state, when the laundry is placed in 912, the power is transmitted through the planetary gear train 23, the inner drum 9 and the pulsator 8 rotate in opposite directions, referring to fig. 12-15, the connecting member 211 is still in the second position, the connecting member 211 is disengaged from the upper teeth 212 of the motor, the locking retractor 6 controls the first swing rod teeth 604-1 and the second swing rod teeth 605-1 to be engaged with the dehydration output shaft, so as to limit the rotation of the dewatering output shaft 242, namely, the inner cylinder 9 is in a locked state, and the impeller 8 rotates.

In order to make the connecting piece 211 be at the first position and the second position accurately, the washing tractor 4 in the embodiment of the invention has two strokes, when the washing tractor 4 is at the first washing stroke, the washing tractor 4 is in a standby state, the washing tractor 4 controls the cam 403 to be at the initial position, namely the first position, the connecting piece 211 is not limited by the deflector rod 401, the connecting piece 211 is engaged with the clutch sleeve 212 under the action of the compression spring, and the connecting piece 211 is at the first position; when the washing puller 4 is in the second washing stroke, the washing puller 4 controls the cam 403 to rotate to drive the shift lever 401 to rotate a certain angle, so that the shift lever 401 pushes the connecting member 211 to separate from the clutch sleeve 212, and the compression spring drives the connecting member 211 to be located between the clutch sleeve 212 and the supporting seat 252, so that the connecting member 211 is in the second position.

Referring to fig. 6 and 7, when the washing puller 4 is in the first washing stroke, i.e. the pulsator washing machine enters the inner tub washing mode, the connector 211 is engaged with the clutch sleeve 212, the lever 401 rotates in a direction away from the supporting seat 252 under the action of the spring rotating shaft, the puller 6 is locked in the standby state, and the inner tub 9 rotates in the same direction as the pulsator 8.

Referring to fig. 16, when the pulsator washing machine enters the drum washing mode, the washing puller 4 rotates the cam 403 to find an initial position and makes the cam 403 stay at the initial position, the locking puller 6 rotates the locking cam 601 to find the initial position and to be at the initial position, and the motor 11 rotates the inner drum 9 and the pulsator 8 in the forward and reverse directions simultaneously.

Referring to fig. 8-11, when the washing tractor 4 is in the second washing stroke, i.e. the pulsator washing machine enters the hand washing mode, the driving lever 3 is closer to the supporting seat 252 than the driving lever 401 of the washing tractor 4 in the first washing stroke, the locking tractor 6 is in the standby state, and the inner tub 9 and the pulsator 8 rotate in opposite directions.

Referring to fig. 17, when the pulsator washing machine enters a hand washing mode, the washing puller 4 rotates the cam 403 to find an initial position, the washing puller 4 enters a second washing stroke after entering the initial position, the rotating cam 403 drives the shift lever 401 to rotate, the locking puller 6 rotates the locking cam 601 to find the initial position and be in the initial position, the motor 11 rotates in the forward direction and the motor 11 rotates in the reverse direction, and the inner tub 9 and the pulsator 8 rotate in the reverse direction.

Referring to fig. 12-15, when the washing tractor 4 is in the second washing stroke, the locking tractor 6 enters the first locking stroke, i.e. the pulsator washing machine enters the pulsator washing mode, the connecting member 211 is disengaged from the clutch sleeve 212, the shift lever 3 is closer to the supporting seat 252 than the shift lever 401 of the washing tractor 4 in the first washing stroke, the locking tractor 6 tightens the angle of the first swing link 604 and the second swing link 605 by rotating the locking cam 6, so that the first swing link tooth 604-1 and the second swing link tooth 605-1 are engaged with the dewatering output shaft tooth 242-1 on the dewatering output shaft 242 to limit the rotation of the dewatering output shaft 242, i.e. the rotation of the inner drum 9.

Referring to fig. 16, when the pulsator washing machine enters a pulsator washing mode, the washing pulsator 4 rotates the cam 403 to find an initial position, the washing pulsator 4 enters a second washing stroke after entering the initial position, the rotating cam 403 rotates the shift lever 401, the locking pulsator 6 rotates the locking cam 601 to find the initial position and enter a first locking stroke position from the initial position, while the motor 11 rotates in the forward and reverse directions, the inner tub 9 stops rotating, and the pulsator 8 rotates.

Referring to fig. 1 to 4, the embodiment of the present invention is provided with a dehydration tractor 3, a pulling block 301 connected to the dehydration tractor 3 and a drain valve 7, a brake rotating shaft 503 is arranged on the mounting seat 251, a brake band control rod 5 which is rotationally connected with the brake rotating shaft 503 is arranged by taking the brake rotating shaft 503 as a rotating center, one end of the brake band control rod 5 is positioned in a limiting opening of the pulling block 301, in the embodiment of the present invention, the brake band brake lever 5 has a brake band rotating shaft 501, a brake band 502 is disposed on the brake band rotating shaft 501, the brake band 502 is wound on the housing of the planetary gear train, when the washing tractor 4 is in the second washing stroke, the locking tractor 6 is in the first stroke, the dewatering tractor 3 is in the standby state, and the brake belt 502 is in the closed state, so that the brake belt 502 tightly holds the dewatering output shaft 242 to limit the rotation of the dewatering output shaft 242.

When the connecting piece 211 is at the first position, the brake band control rod 5 is controlled by the dehydration tractor 3, the brake band 502 is opened to release the limitation of the dehydration output shaft 242, the water discharge valve 7 does not discharge water, the traction device 6 is locked in a standby state, the first swing rod tooth 604-1 and the second swing rod tooth 605-1 are separated from the dehydration shaft tooth 242-1, at the moment, the pulsator washing machine enters the inner cylinder 102 washing mode, namely, the inner cylinder 9 and the pulsator 8 rotate in the same direction, when the water discharge is needed, the dehydration tractor 3 controls the water discharge valve 7 to discharge water, the brake band 502 is still opened, and the water discharge valve 7 discharges the water in the outer cylinder 10.

When the connecting piece 211 is at the second position, the brake band control rod 5 is controlled by the dehydration tractor 3, the brake band 502 is opened to release the restriction of the dehydration output shaft 242, the drain valve 7 does not drain water, the tractor 6 is locked in a standby state, the first swing rod tooth 604-1 and the second swing rod tooth 605-1 are separated from the dehydration shaft tooth 242-1, and at the moment, the pulsator washing machine enters a hand rubbing washing mode, namely, the inner cylinder 9 and the pulsator 8 rotate reversely.

When the connecting piece 211 is at the second position, the dehydration tractor 3 is in a standby state, the brake band 502 is in a closed state to limit the rotation of the dehydration output shaft 242, the water discharge valve 6 does not discharge water, the locking tractor 6 controls the locking cam 601 to rotate to drive the first swing rod 604 and the second swing rod 605 to tighten, so that the first swing rod tooth 604-1 and the second swing rod tooth 605-1 are meshed with the dehydration output shaft tooth 242-1 to limit the rotation of the dehydration output shaft 242, and at the moment, the pulsator washing machine enters a pulsator washing mode, namely, the inner barrel 9 stops rotating, and the pulsator 8 rotates.

Referring to fig. 18, when the pulsator washing machine enters the single spinning mode, the washing tractor 4 rotates the cam 403 to enter the initial position, and after entering the initial position, the locking tractor 6 rotates the locking cam 601 to find the initial position and be at the initial position, the spinning tractor 3 controls the drain valve 7 to drain the water in the tub 10, and after the drainage is finished, the motor 11 drives the tub 12 and the pulsator 13 to rotate, starts the spinning, and waits for the spinning to be finished.

Referring to fig. 19, when the pulsator washing machine enters a post-washing dehydration mode, the locking puller 6 rotates the locking cam 601 to find and be at an initial position, the washing puller 4 judges whether the cam 403 is at the initial position, if so, water in the tub 10 starts to be drained, and the motor 11 rotates to start dehydration after the drainage is finished and waits for the dehydration to be finished; if not, the initial position of the cam 403 is searched, and the dewatering is started by staying at the initial position, and the dewatering is waited to be finished.

In the embodiment of the present invention, the motor 11 is a variable frequency motor having two modes of forward rotation and reverse rotation according to the washing mode of the pulsator washing machine, and the motor 11 may be replaced with a motor and a pulley.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. A pulsator washing machine, comprising:

an outer tub, the interior of which can contain washing water;

the inner cylinder is rotatably arranged in the outer cylinder;

the impeller is rotatably arranged at the bottom of the inner cylinder;

the motor is arranged on the outer barrel and used for driving the inner barrel and the impeller to rotate;

a dehydrating shaft penetrating the outer tub and connected to the inner tub for transmitting a driving force from the motor to the inner tub, the dehydrating shaft being provided with dehydrating shaft teeth at a portion outside the outer tub;

a washing shaft fitted inside the dehydrating shaft and connected to the pulsator, for transmitting a driving force from the motor to the pulsator;

and the locking part is arranged on the outer barrel and comprises a tightening part and an engagement part, the engagement part is provided with locking teeth and can be engaged with the dewatering shaft teeth, and the engagement part is tightened by the tightening part to enable the locking teeth to be engaged with the dewatering shaft teeth so as to limit the rotation of the dewatering shaft.

2. The pulsator washing machine according to claim 1, wherein: the washing machine is characterized in that a mounting seat is arranged on the outer barrel, a driving lever and a washing tractor are arranged on the mounting seat, the washing tractor is arranged on the mounting seat, a gear switching assembly is arranged at one end of the driving lever, the other end of the driving lever is connected with the washing tractor, the washing tractor rotates the driving lever to control the gear switching assembly, and the gear switching assembly controls the rotation direction of the inner barrel and the impeller.

3. The pulsator washing machine according to claim 1, wherein: the locking portion includes:

the middle of the first swing rod is hinged with the middle of the second swing rod, one end of the first swing rod and one end of the second swing rod are respectively provided with the meshing part, the other end of the first swing rod and the other end of the second swing rod are respectively provided with the tightening part, the meshing part of the first swing rod and the second swing rod is provided with the locking tooth, the tightening part of the first swing rod is hinged with a first connecting rod, the tightening part of the second swing rod is hinged with a second connecting rod, and the first connecting rod is hinged with the second connecting rod;

the locking tractor is provided with rotatable locking cam on it, locking cam through the extension spring with the articulated position of first connecting rod and second connecting rod articulates and forms compound hinge, the locking tractor makes through rotating locking cam first connecting rod with the second connecting rod drives first pendulum rod with the second pendulum rod rotates and makes locking tooth with the meshing of dehydration axle tooth, in order to restrict the rotation of dehydration output shaft.

4. The pulsator washing machine according to claim 3, wherein: and a spring shaft is arranged at the position where the first swing rod is hinged with the second swing rod, and the spring shaft provides a driving force for enlarging an included angle between the first swing rod and the second swing rod.

5. The pulsator washing machine according to claim 1, wherein: the washing tractor has two strokes comprising:

the first washing stroke is used for controlling the deflector rod to be positioned at a first position so as to ensure that the inner cylinder and the impeller rotate in the same direction;

and in the second washing stroke, the deflector rod is controlled to be positioned at a second position, so that the inner cylinder and the impeller rotate in the opposite direction.

6. The pulsator washing machine according to claim 1, wherein: a speed reducing mechanism is provided in the middle of the washing shaft for transferring a part of the rotational force of the washing shaft to the dehydrating shaft in the free mode.

7. The pulsator washing machine according to claim 6, wherein: the speed reducing mechanism divides the washing shaft into a washing input shaft and a washing output shaft, and divides the dewatering shaft into a dewatering input shaft and a dewatering output shaft, and the dewatering output shaft is provided with the dewatering shaft teeth.

8. The pulsator washing machine according to claim 6, wherein: the speed reducing mechanism comprises a speed reducer shell, a supporting seat is arranged on the speed reducer shell, and the spring rotating shaft is arranged on the supporting seat.

9. The pulsator washing machine according to claim 1, wherein: the washing tractor is provided with a cam, the driving lever is connected with the cam through a tension spring, and the washing tractor controls the driving lever to switch between a first position and a second position through rotating the cam.

10. The pulsator washing machine according to claim 1, wherein: the locking tractor has a standby state and a first locking stroke, and when the locking tractor is in the first locking stroke, the locking cam enables the swing rod to limit the rotation of the dehydration output shaft by pulling the connecting rod.