CN116265651A - Drainage driving device, drum part package and clothes treatment equipment - Google Patents

Abstract

The embodiment of the application provides a drainage driving device, a drum part assembly and clothes treatment equipment, wherein the drainage driving device comprises a mounting seat, a deflector rod assembly, a motor assembly and a reversing piece, the deflector rod assembly is in sliding connection with the mounting seat, and the deflector rod assembly is provided with an extending position and a retracting position; the reversing element is used for converting the rotation of the power output shaft of the motor assembly into the translation of the deflector rod assembly so as to at least drive the deflector rod assembly to switch from the retracted position to the extended position. In the embodiment of the application, the installation space required by the motor assembly is small, and the space required by the deflector rod assembly is small because the deflector rod assembly moves in a translational mode, the reversing piece only needs to convert torque into linear displacement and can be compactly arranged between the motor assembly and the deflector rod assembly, so that the drainage driving device is compactly arranged in structure and is convenient to assemble; the transmission mode among the power output shaft, the reversing piece and the deflector rod component is reliable, soft connection such as a traction rope is avoided, the failure rate is low, and the service life of the drainage driving device is prolonged.

Description

Drainage driving device, drum part package and clothes treatment equipment

Technical Field

The application relates to the technical field of clothes cleaning, in particular to a drainage driving device, a cylinder part and clothes treatment equipment.

Background

The inner cylinder of the existing washing machine is a non-porous inner cylinder and is isolated from the outer cylinder, and the single cylinder is not only used for containing clothes, beating or stirring the clothes, but also used for containing water, but the drainage and dehydration of the single-cylinder washing machine become a difficult technology to overcome.

In the related art, a drain valve assembly is arranged on an inner cylinder, a traction rope mechanism is arranged on an outer cylinder, and when drainage is needed, a deflector rod is pulled to extend through a traction rope and interfere with the drain valve assembly, so that the drain valve assembly is forced to open a drain hole. But the failure rate of the traction rope mechanism is higher, which easily leads to the failure of the drainage function of the washing machine.

Disclosure of Invention

In view of this, it is desirable to provide a drain driving device, a drum unit, and a laundry treating apparatus having a low failure rate.

The embodiment of the application provides a drainage drive arrangement for clothing treatment facility, clothing treatment facility includes inner tube and drain valve subassembly, the inner tube can hold water, the inner tube is formed with the outlet, drainage drive arrangement includes:

a mounting base;

the deflector rod assembly is in sliding connection with the mounting seat, and is provided with an extending position for poking the drain valve assembly and a retracting position for avoiding the drain valve assembly;

a motor assembly having a power output shaft;

and the reversing piece is used for converting the rotation of the power output shaft into the translation of the deflector rod assembly so as to at least drive the deflector rod assembly to be switched from the retracted position to the extended position.

In some embodiments, the power take-off shaft drives the lever assembly through the reversing element to reciprocate linearly.

In some embodiments, the axis of the power take-off shaft is perpendicular to the direction of movement of the lever assembly.

In some embodiments, the reversing element is a rigid body.

In some embodiments, the reversing element comprises a rotary disc and a protruding shaft which are connected with each other, the rotary disc is in anti-rotation fit with the power output shaft, and the protruding shaft is eccentrically arranged on one axial side of the rotary disc; the driving lever assembly is provided with a chute, the protruding shaft is arranged in the chute and can slide in the chute, and the driving lever assembly performs linear reciprocating motion under the swing of the protruding shaft around the rotation center of the turntable.

In some embodiments, the mounting seat is provided with a mounting space, and the front side of the mounting seat is provided with a mounting opening;

the deflector rod assembly comprises a deflector rod and a base which are connected with each other, the base is slidingly restrained in the installation space by the installation seat, and the deflector rod can extend out of the installation opening.

In some embodiments, one of the mount and the base is provided with a guide rail extending in the direction of movement of the lever assembly, and the other is provided with a guide slot extending in the direction of movement of the lever assembly, the guide rail and the guide slot being a sliding fit.

In some embodiments, the mounting seat is disposed below the motor assembly, a top side of the mounting space is open, and the motor assembly covers the open place of the top side of the mounting space.

In some embodiments, the reversing element is fixedly connected to the power take-off shaft, and the reversing element is suspended below the power take-off shaft.

In some embodiments, the mounting space is open at a rear side, and the base and the diverter are exposed to an external view of the mount.

The embodiment of the application provides a section of thick bamboo dress, includes:

the inner cylinder can hold water, and a water outlet is formed in the inner cylinder;

the inner barrel is rotationally arranged in the outer barrel, and a mounting hole is formed in the rear side of the outer barrel in the axial direction;

the drain valve assembly is arranged on the inner cylinder;

and the drainage driving device according to any embodiment of the present application, the lever assembly may extend into the outer tub through the mounting hole and interfere with a movement track of the drainage valve assembly, so that the drainage valve assembly may selectively open or close the drainage outlet.

An embodiment of the present application provides a laundry treatment apparatus, including:

the driving motor is used for driving the inner cylinder to selectively rotate positively or reversely;

the cartridge of any embodiment of the present application;

and the control device is communicated with the driving motor and the motor assembly so as to control the rotation time sequence and the rotation direction of the motor assembly and the driving motor.

According to the drainage driving device, the installation space required by the motor assembly is small, and the space required by the deflector rod assembly is small because the movement mode of the deflector rod assembly is translational, and the reversing piece only needs to convert torque into linear displacement and can be compactly arranged between the motor assembly and the deflector rod assembly, so that the drainage driving device is compactly arranged in structure and convenient to assemble; in addition, the transmission mode among the power output shaft, the reversing and the deflector rod component is reliable, soft connection such as a traction rope is avoided, few wearing parts are avoided, the failure rate is low, and the service life of the drainage driving device is prolonged.

Drawings

FIG. 1 is a schematic view of a cartridge according to an embodiment of the present disclosure;

FIG. 2 is a cross-sectional view taken along the line A-A in FIG. 1;

FIG. 3 is an enlarged partial schematic view of FIG. 2B with the lever assembly in an extended position;

FIG. 4 is a schematic view of the structure of FIG. 3 in another state, in which the lever assembly is in a retracted position;

FIG. 5 is a schematic view of a drain driving device according to an embodiment of the present disclosure;

FIG. 6 is a schematic diagram of another view of the structure of FIG. 5;

FIG. 7 is a cross-sectional view taken along line C-C of FIG. 6, with the lever assembly in an extended position;

FIG. 8 is a schematic view of the structure of FIG. 7 in another state in which the lever assembly is in a retracted position.

Description of the reference numerals

A cylinder unit 100; an inner cylinder 10; an outer tub 20; a tub 21; a rear end cap 22; a through hole 22a; a drain valve assembly 30; a valve element 31; a transmission lever mechanism 32;

a drain driving device 50; a mounting base 51; a mounting space 51a; a mounting port 51b; a guide groove 51c; a connection lug 511; a connection hole 511a; a motor assembly 52; a power take-off shaft 521; a motor housing 522; a lug 5221; a through hole 5221a; a reversing piece 53; a dial 531; a male shaft 532; a through hole 53a; a lever assembly 54; a toggle 541; a base 542; chute 542a; guide rail 542b; a seal ring 55;

Detailed Description

Embodiments of the present application are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the present application but are not intended to limit the scope of the present application.

In the description of the embodiments of the present application, it should be noted that, the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The embodiment of the application provides a clothes treatment device, which comprises a barrel part 100 and a box body.

The laundry treatment apparatus may be a washing machine, a washing and drying machine, or the like, and is not limited thereto.

The cartridge 100 is disposed in the case. The cabinet serves as an exterior member of the laundry treating apparatus.

Referring to fig. 1 and 2, the cartridge assembly 100 includes an inner cartridge 10, an outer cartridge 20, a drain valve assembly 30, and a drain driving device 50.

The inner barrel 10 is rotatably disposed within the outer barrel 20, the outer barrel 20 providing support for the inner barrel 10.

Referring to fig. 1 to 4, the outer tub 20 includes a tub 21, a front side of the tub 21 being open, and a rear end cover 22 closing a rear side of the tub 21.

The drain driving device 50 is provided on the outer tub 20, and is illustratively provided outside the outer tub 20.

The inner tube 10 can hold water, and a drain hole is formed in the inner tube 10. In the process of washing clothes, the clothes treatment equipment is characterized in that washing water is contained in the inner cylinder 10, the inner cylinder 10 can also be called as a non-porous inner cylinder, and the problem that dirt is easy to be accumulated between the outer cylinder and the inner cylinder due to the fact that water is contained in the outer cylinder in the prior art can be avoided.

Referring to fig. 2, 3 and 4, the drain valve assembly 30 is disposed on the inner cylinder 10, and the inner cylinder 10 carries the drain valve assembly 30 to rotate together. Illustratively, the inner tub 10 is provided therein with a lifting rib 40, and the drain valve assembly 30 is disposed in a space within the lifting rib 40, preventing laundry from contacting the drain valve assembly 30.

Referring to fig. 2, 3 and 4, the drain valve assembly 30 includes a valve core 31 and a transmission lever mechanism 32. The transmission rod mechanism 32 has a rotation center line L2, and the transmission rod mechanism 32 revolves around the rotation axis L1 of the inner cylinder 10 while rotating around the rotation center line L2.

One end of the transmission rod mechanism 32 is in driving connection with the valve core 31, one end of the transmission rod mechanism 32 away from the valve core 31 is positioned between the inner cylinder 10 and the outer cylinder 20, to receive the driving force of the drain driving device 50,

the valve element 31 is used to seal the drain hole. Specifically, the valve element 31 has a drainage position where the drainage hole is opened and a sealing position where the drainage hole is sealed, and the transmission lever mechanism 32 drives the valve element 31 to move between the sealing position where the drainage hole is sealed and the drainage position where the drainage hole is opened.

The movement of the valve element 31 may be a flip around the rotation center line L2 of the transmission rod mechanism 32, or may be a translation in a direction substantially perpendicular to the rotation center line L2.

In the washing process, or in other situations where drainage is not required, referring to fig. 4, the valve core 31 is in a sealing position, the valve core 31 seals the drain hole, water in the inner tub 10 is not discharged, and the inner tub 10 functions as a tub. When water is required to be drained or dehydrated, the transmission rod mechanism 32 receives the driving force of the drainage driving device 50 to rotate so as to drive the valve core 31 to switch from the sealing position to the drainage position, the drainage holes are opened, and water in the inner cylinder 10 is drained out of the inner cylinder 10 through the drainage holes.

Illustratively, the water discharged from the drain hole enters the outer tub 20, and the outer tub 20 intensively discharges the water out of the laundry treating apparatus.

The drain holes may be provided at any suitable position of the inner cylinder 10 as long as water in the inner cylinder 10 can be discharged through the drain holes.

Illustratively, the drain holes are formed in the rotational circumference of the inner drum 10 so that the inner drum 10 throws water out of the drain holes by centrifugal force during dehydration.

In an embodiment of the present application, referring to fig. 2, the rotation axis of the inner cylinder 10 is approximately along the horizontal direction, and the drain hole can circulate through the lowest point of the rotation track of the inner cylinder 10 during the rotation of the inner cylinder 10, so that the water in the inner cylinder 10 can be drained without dead angle.

Referring to fig. 5 to 8, the drain driving device 50 includes a mounting base 51, a lever assembly 54, a motor assembly 52, and a reversing element 53.

The lever assembly 54 is slidably coupled to the mounting block 51, i.e., the lever assembly 54 is slidably movable relative to the mounting block 51. The lever assembly 54 has an extended position (see fig. 3, 5 and 7) for toggling the drain valve assembly 30 and a retracted position (see fig. 4 and 8) for unseating the drain valve assembly 30.

Referring to fig. 3, a through hole 22a is provided at the rear side of the outer tub 20, and the movement direction of the lever assembly 54 is substantially parallel to the rotation axis L1 of the inner tub 10. When the lever assembly 54 is extended, the lever assembly 54 can extend into the outer tub 20 through the through hole 22a to interfere with the movement track of the transmission lever mechanism 32.

When the inner cylinder 10 rotates the transmission rod mechanism 32 and the transmission rod mechanism 32 moves to a position interfering with the shift lever assembly 54 (the position shown in fig. 3), the shift lever assembly 54 is stationary, and the transmission rod mechanism 32 rotates around its rotation center line L2 under the interference of the shift lever assembly 54, so as to drive the valve core 31 to switch positions.

As the inner barrel 10 continues to rotate, the drive lever mechanism 32 disengages from the lever assembly 54, i.e., the valve core 31 remains in the current position as the drive lever mechanism 32 revolves about the axis L1 to a position that does not interfere with the lever assembly 54.

For example, in some embodiments, when the drive lever mechanism 32 revolves around the axis L1 to a position that does not interfere with the lever assembly 54, the drive lever mechanism 32 remains in the rotated position and the spool 31 remains in the current position. In other embodiments, when the transmission lever mechanism 32 revolves around the axis L1 to a position not interfering with the lever assembly 54, the transmission lever mechanism 32 idles and returns to the initial position, that is, the transmission lever mechanism 32 does not drive the valve core 31 to move during the idling process, so the valve core 31 can still be kept at the current position.

Referring to fig. 4, when the lever assembly 54 is in the retracted position, the lever assembly 54 does not interfere with the transmission lever mechanism 32 in any way, the transmission lever mechanism 32 does not rotate, and the valve core 31 does not change position.

The reversing element 53 is adapted to convert rotation of the power take-off shaft 521 of the motor assembly 52 into translation of the lever assembly 54 to at least drive the lever assembly 54 from the retracted position to the extended position. That is, the lever assembly 54 defaults to a retracted position, and when the power take-off shaft 521 is rotated (e.g., either forward or reverse), the power take-off shaft 521 drives the lever assembly 54 to switch from the retracted position to the extended position.

The translation refers to a straight line formed by connecting any two points on a moving object, and the parallel movement is always kept in the whole movement process.

It should be noted that the internal structure of the motor assembly 52 is not limited, and the motor assembly 52 may be purchased directly from the market as a whole, as long as the power output shaft 521 thereof can output a corresponding torque. For example, the power output shaft 521 may be directly fixedly connected to the rotor of the motor assembly 52, or may have a relative motion with the rotor, and may receive the torque of the rotor through a gear transmission, and the like, which is not limited herein.

It will be appreciated that the lever assembly 54 is reset to the retracted position when it is not necessary to toggle the drive lever mechanism 32. It should be noted that the forward rotation and the reverse rotation are merely to distinguish the opposite rotation directions, and do not refer to specific directions.

For example, forward rotation of the power take-off shaft 521 can cause the lever assembly 54 to switch from the retracted position to the extended position. In other embodiments, reversing the power take-off shaft 521 may cause the lever assembly 54 to switch from the retracted position to the extended position. For ease of description, in the present embodiment, the shift lever assembly 54 is described as being switched from the retracted position to the extended position upon forward rotation of the power take-off shaft 521. It should be noted that, when the lever assembly 54 is in the extended position, the inner cylinder 10 may be rotated forward to open the drain hole in cooperation with the lever assembly 54, or rotated backward to open the drain hole in cooperation with the lever assembly 54.

For ease of description, the inner barrel 10 is described as being rotated in a forward direction to open the drain hole in cooperation with the lever assembly 54.

In the process of washing clothes by the clothes treatment device, washing water is contained in the inner barrel 10, and in the washing process or other occasions without water drainage, the valve core 31 seals the water outlet to prevent water in the inner barrel 10 from flowing out of the inner barrel 10. In this process, the lever assembly 54 is always in the retracted position, and the rotational direction of the inner barrel 10 can be always forward or reverse or the forward or reverse rotation can be performed.

When the inner cylinder 10 needs to drain (or dewater), the inner cylinder 10 rotates positively, the power output shaft 521 rotates positively, the driving lever assembly 54 is driven to move from the retracted position to the extended position, the driving lever assembly 54 forces the transmission lever mechanism 32 to rotate positively, the driving valve core 31 is switched from the sealing position to the draining position, the draining port is opened, and water in the inner cylinder 10 is drained out of the inner cylinder 10 through the draining port. Subsequently, the lever assembly 54 is reset from the extended position to the retracted position, and the valve spool 31 is stably placed in the drainage position.

It should be noted that, the lever assembly 54 may be retracted immediately after one rotation of the inner barrel, or may be retracted after multiple rotations of the inner barrel.

When the drain hole needs to be closed after draining, the power output shaft 521 rotates forward, so that the deflector rod assembly 54 moves from the retracted position to the extended position again, the inner cylinder 10 rotates reversely, the deflector rod assembly 54 forces the transmission rod mechanism 32 to rotate reversely, and the valve core 31 is driven to switch from the drain position to the sealing position. Subsequently, the lever assembly 54 is reset to the retracted position, and the valve spool 31 is stably in the sealing position.

According to the clothes treatment equipment, no matter how the rotating speed of the inner barrel 10 is, as long as the deflector rod assembly 54 stretches out, the deflector rod assembly 54 forces the transmission rod mechanism 32 to rotate, so that the valve core 31 can be switched between the sealing position and the drainage position, the structure is simple, the inner barrel 10 is convenient to drain, and the reliability is high.

The laundry treating apparatus may drain water through the drain hole during or after the washing, and the laundry treating apparatus may drain water through the drain hole during the dehydrating.

The drainage driving device 50 of the embodiment of the application can be assembled into a preassembled whole in advance, and the drainage driving device 50 is directly assembled on the clothes treatment equipment on the assembly line of the clothes treatment equipment, so that the assembly time of the assembly line can be saved, the assembly efficiency is improved, and the production cost is reduced.

In the related art, the drainage driving device drives the transmission part to move through the traction rope of the traction device, the traction rope and the deflector rod are connected to the two opposite ends of the transmission part, and the transmission part drives the deflector rod to move under the action of the traction rope, so that the movement displacement of the traction rope is almost equal to the movement position of the deflector rod. In the resetting or extending process of the deflector rod, the two opposite ends of the transmission piece are stressed unevenly, bending moment is easy to form, so that the transmission piece or the deflector rod is clamped, and drainage failure of the clothes treatment equipment is caused; in addition, because a movement space is reserved for the traction rope, the overall size of the drainage driving device is large, the layout of parts is difficult, and the mass production of products is difficult to realize; furthermore, the traction rope is a wearing part, and after the traction rope is used for a long time, the problems of rope breakage, winding failure and the like are easy to occur, so that the overall reliability of the drainage driving device is poor.

In the drainage driving device 50 of the embodiment of the application, the installation space required by the motor assembly 52 is smaller, and the space required by the deflector rod assembly 54 is smaller because the movement mode of the deflector rod assembly 54 is translational, and the reversing piece only needs to convert torque into linear displacement and can be compactly arranged between the motor assembly 52 and the deflector rod assembly 54, so that the drainage driving device 50 is compactly arranged and is convenient to assemble; in addition, the transmission mode among the power output shaft 521, the reversing 53 and the deflector rod assembly 54 is reliable, soft connection such as a traction rope is not needed, and few wearing parts are needed, so that the service life of the drainage driving device 50 can be prolonged.

The power source for resetting the lever assembly 54 is not limited.

For example, in some embodiments, the lever assembly 54 may be reset to the retracted position by a resilient reset member. In this embodiment, the power output shaft 521 only drives the lever assembly 54 to move linearly toward the transmission lever mechanism 32, i.e., the power output shaft 521 only applies a force to the lever assembly 54 in a direction from the retracted position to the extended position, and does not apply a force in the opposite direction to the lever assembly 54, i.e., when the power output shaft 521 is reversed, no driving force is applied to the lever assembly 54, and the lever assembly 54 is returned to the retracted position by the elastic return member.

In other embodiments, the power take-off shaft 521 drives the lever assembly 54 through the reversing element 53 in a linear back and forth motion, thereby effecting the switching of the lever assembly 54 between the extended and retracted positions. In this embodiment, the position of the lever assembly 54 at any instant in time is determined by the angle of rotation of the power take-off shaft 521, that is, the power take-off shaft 521 both drives the lever assembly 54 from the retracted position to the extended position and also drives the lever assembly 54 from the extended position to the retracted position.

In this embodiment, the movement position and the travel of the lever assembly 54 are completely determined by the rotation angle of the power output shaft 521, so that the movement travel of the lever assembly 54 can be ensured to be reliable, and the problem of failure of the drainage function caused by failure of parts such as springs in the related art can be avoided.

In some embodiments, the power take-off shaft 521 may be rotated in the same direction at all times to effect the switching of the lever assembly 54 between the extended and retracted positions. For example, forward rotation through 180 ° causes the lever assembly 54 to switch from the retracted position to the extended position, and again forward rotation through 180 ° causes the lever assembly 54 to switch from the extended position to the retracted position.

In other embodiments, the power take-off shaft 521 may be configured to switch the lever assembly 54 between the extended and retracted positions by alternating forward and reverse rotation. For example, power take-off shaft 521 rotates forward through an angle, is switched from the retracted position to the extended position by reversing member drive lever assembly 54, and thereafter rotates backward through an angle, is switched from the extended position to the retracted position by reversing member drive lever assembly 54.

The motor assembly 52 is provided with an angle detection function and automatically forms a closed loop control. For example, when the power output shaft 521 rotates forward (or rotates backward) by a preset angle, for example, 180 °, the motor assembly 52 automatically stops the rotation of the power output shaft 521, so that the position of the lever assembly 54 can be controlled more accurately.

For example, referring to fig. 3 and 4, the axis L3 of the power output shaft 521 is perpendicular to the movement direction of the lever assembly 54, wherein the movement direction of the lever assembly 54 is parallel to the rotation center line L2 of the transmission lever mechanism 32. For example, the power take-off shaft 521 is disposed radially of the inner barrel 10 and the lever assembly 54 moves axially of the inner barrel 10.

In this embodiment, since the power output shaft 521 does not need to move linearly and only needs to rotate, the space and the size occupied by the motor assembly 52 are small, and the axial size of the lever assembly 54 only needs to satisfy the movement stroke of the lever assembly 54 itself, so that the installation space required for the drain driving device 50 can be reduced.

Illustratively, the reversing element 53 is a rigid body. The rigid body means that the deformation degree of the shape and the size is very tiny relative to the geometric dimension of the reversing element 53 after the movement and the stress, and the relative position of each point inside is basically unchanged. This deformation is negligible when studying the movement of the commutator 53.

In this embodiment, the reversing member 53 is a rigid body, and only has one component, so that the acting force can be effectively and reliably transmitted, the assembly time can be reduced, and the assembly efficiency can be improved; the number of parts is small, the manufacturing is convenient, the production cost is reduced, and the popularization and the use are convenient.

The specific structural shape of the reversing member 53 is not limited as long as it can convert the rotation of the power take-off shaft 521 into the linear motion of the lever assembly 54.

For example, referring to fig. 7 and 8, the reversing element 53 includes a rotary disc 531 and a protruding shaft 532 that are connected to each other, and the rotary disc 531 is in a non-rotating engagement with the power output shaft 521, i.e., the power output shaft 521 transmits torque to the rotary disc 531. The turntable 531 and the power output shaft 521 are coaxially arranged, and the rotation center of the turntable 531 is located on the axis L3 of the power output shaft 521.

The manner in which the power take-off shaft 521 and the dial 531 are non-rotatably engaged is not limited, and torque transmission is achieved, for example, by means of a key way and a key, and further, fixed connection is achieved, for example, by means of a screw connection to transmit torque.

The protruding shaft 532 is eccentrically disposed on one axial side of the turntable 531, specifically, on the side of the turntable 531 facing away from the motor assembly 52, and the protruding shaft 532 is eccentrically disposed with respect to the axis of the power output shaft 521.

Referring to fig. 7 and 8, the lever assembly 54 is provided with a sliding slot 542a, and the boss 532 is disposed in the sliding slot 542a and is capable of sliding in the sliding slot 542a. The extending direction of the sliding groove 542a, the moving direction of the lever assembly 54, and the axis L3 of the power take-off shaft 521 are orthogonal to each other in pairs to form a three-dimensional rectangular coordinate system. Specifically, the sliding groove 542a extends straight substantially in the left-right direction of the laundry treating apparatus, the lever assembly 54 moves straight substantially in the front-rear direction of the laundry treating apparatus, and the power output shaft 521 is disposed substantially in the up-down direction of the laundry treating apparatus.

The rotation locus of the protruding shaft 532 is an arc around the axis L3, and the rotation locus of the protruding shaft 532 has a displacement change in the direction of the linear motion of the lever assembly 54, so that the rotation of the protruding shaft 532 is converted into the linear motion of the lever assembly 54 through the cooperation of the protruding shaft 532 and the sliding groove 542a, and the rotation angle of the protruding shaft 532 around the axis of the power output shaft 521 corresponds to the position of the lever assembly 54 one by one.

In this embodiment, the structural form of the reversing piece 53 is relatively simple, and the axial dimensions of the turntable 531 and the protruding shaft 532 are relatively small, so that the reversing piece 53 does not need to have relatively large rigidity and structural strength, and the reversing piece 53 is made of plastic material and can meet the rigidity and structural strength requirements, so that the cost can be greatly reduced.

Illustratively, the motor assembly 52 may be a commercially available universal motor assembly 52 without the need for customization.

The particular construction of the lever assembly 54 is not limited.

For example, referring to fig. 7 and 8, the lever assembly 54 includes a lever 541 and a base 542 coupled to each other, with a rear end of the lever 541 coupled to the base 542.

The slide groove 542a is provided on the base 542, and the boss 532 is inserted into the slide groove 542a from one side of the base 542.

The structure of the shift lever 541 and the base 542 allows the shift lever 541 to be thinner, and the size of the base 542 to be larger, so that the design of the chute 542a is facilitated.

The lever assembly 54 is slidably coupled to the mounting block 51 via the base 542.

The shift lever 541 and the base 542 may be made of the same material, or may be made of different materials.

For example, the lever 541 is made of metal, so that the lever 541 has sufficient structural strength and rigidity to withstand the moment when the transmission lever mechanism 32 is shifted. The base 542 is made of plastic material to reduce cost.

For example, referring to fig. 7 and 8, the mount 51 is provided with a mounting space 51a, and a front side of the mount 51 is provided with a mounting port 51b communicating with the mounting space 51a; the lever 541 can protrude from the mounting port 51 b.

The reversing member 53 and the base 542 are provided in the installation space 51a. The mounting base 51 slidably restrains the base 542 in the mounting space 51a, that is, the cooperation of the base 542 and the mounting base 51 can perform a better positioning for the sliding of the lever 541.

It should be noted that, in some embodiments, when the lever assembly 54 is in the retracted position, the lever 541 may be completely accommodated in the installation space 51a. In other embodiments, the front end of the lever 541 extends from the mounting opening 51b to the outside of the mounting space 51a regardless of whether the lever assembly 54 is in the extended or retracted position.

Illustratively, the mount 51 is an integrally formed structure, such as an integrally injection molded or a blister molded plastic piece. Thus, the number of parts of the mount 51 can be reduced, the number of assembly steps can be reduced, and the assembly time can be saved.

The motor assembly 52 and the mount 51 are arranged in the up-down direction, for example, the motor assembly 52 is located above the mount 51, or the mount 51 is located above the motor assembly 52.

For example, referring to fig. 5, 6, 7 and 8, the mounting seat 51 is disposed below the motor assembly 52. As such, referring to fig. 2, 3 and 4, the motor housing 522 of the motor assembly 52 can be mounted to the tub 21, the motor housing 522 and tub 21 having at least one force-receiving connection point, the tub carrying the weight of the motor assembly 52. The mounting block 51 is mounted to the rear end cap 22, and the mounting block 51 and the rear end cap 22 have at least one force-receiving connection point. In this embodiment, the weight of the motor assembly 52 is borne by the tub 21, so that the shearing force borne by the connecting piece such as the screw at the connecting position can be reduced; in addition, even if water in the outer tub 20 seeps out through the through hole 22a, since the motor assembly 52 is positioned higher than the mounting seat 51, the water does not flow to the motor assembly, and reliability of the drain driving apparatus is improved.

The motor assembly 52 may be mounted at any height in the circumferential direction of the tub 21. Illustratively, the motor assembly 52 is mounted on top of the tub 21 to avoid water leakage that would otherwise interfere with proper operation of the motor assembly 52.

In some embodiments, referring to fig. 5, an outer surface of the motor housing 522 is provided with a lug 5221, the lug 5221 is provided with a through hole 5221a, and the tub 21 is provided with a screw post through which a screw passes through the through hole 5221a and is screwed into the screw post. In other embodiments, the motor housing 522 is provided with a buckle, the barrel 21 is provided with a fastening structure, and the buckle is fastened on the fastening structure.

For example, referring to fig. 5 and 6, the mounting seat 51 is provided at both left and right opposite sides thereof with a connection lug 511, the connection lug 511 has a connection hole 511a, the rear cover 22 is provided with a mounting post, and a screw is inserted through the connection hole 511a and screwed into the mounting hole 22 a.

For example, referring to fig. 7 and 8, in an embodiment in which the mount 51 is disposed below the motor assembly 52, the top side of the mount space 51a is opened, and the motor assembly 52 covers the opening of the top side of the mount space 51a. During assembly, the deflector rod assembly 54 is assembled into a whole, the deflector rod assembly 54 is installed on the installation seat 51, the reversing piece 53 can be installed on the installation seat 51 in advance, or installed on the power output shaft 521, and the installation seat 51 is assembled on the motor casing 522 from the bottom side of the motor assembly 52. On the one hand, the weight of the mounting seat 51 can be reduced, the structure is simplified, and on the other hand, the assembly is also facilitated.

Illustratively, in an embodiment in which the mount 51 is disposed below the motor assembly 52 and the top side of the mounting space 51a is open, the reversing element 53 is fixedly connected to the power output shaft 521, and the reversing element 53 is suspended below the power output shaft 521. That is, the weight of the reversing element 53 is received by the power output shaft 521, and the weight of the reversing element 53 is not received by the mount 51, so that the probability of the protruding shaft 532 getting stuck can be reduced, and the rotational resistance of the power output shaft 521 can be reduced. In assembly, the reversing element 53 is first assembled to the power take-off shaft 521, and then the mounting block 51 with the lever assembly 54 is pushed toward the motor housing 522 from the bottom side toward the top side, ensuring that the male shaft 532 is inserted into the sliding groove 542a, and then the mounting block 51 is assembled to the motor housing 522.

For example, referring to fig. 7 and 8, the turntable 531 is provided with a through hole 53a, and a screw is passed through the through hole 53a from bottom to top and screwed into the power output shaft 521 from the shaft end face of the power output shaft 521.

The connection manner of the mount 51 and the motor case 522 is not limited, and may be, for example, screw connection, welding, clamping, or the like. It will be appreciated that the mounting 51 may also be integrally formed with part of the structure of the motor housing 522, as required for assembly.

For example, referring to fig. 6, 7 and 8, the rear side of the installation space 51a is opened, and the base 542 and the direction change member 53 are exposed to the external view of the installation seat 51. In this way, the lever assembly 54 can be installed in the mounting seat 51 from the rear side opening of the mounting seat 51, and in addition, the structure of the mounting seat 51 can be further simplified, and the production cost can be reduced.

For example, referring to fig. 7 and 8, one of the mount 51 and the base 542 is provided with a guide rail 542b extending in the movement direction of the lever assembly 54, and the other is provided with a guide groove 51c extending in the movement direction of the lever assembly 54, the guide rail 542b being in sliding engagement with the guide groove 51 c. Thus, the linear reciprocating motion of the deflector rod assembly 54 can be better guided, and the jamming risk of the deflector rod assembly 54 is reduced.

For example, referring to fig. 5, 7 and 8, the drain driving device 50 includes a seal ring 55. A seal 55 surrounds the mounting hole 22a, and the lever 541 passes through the seal 55 hermetically. The seal ring 55 is sealingly abutted around the mounting hole 22a of the rear cover 22, so that water in the outer tub is prevented from being sputtered to the outside of the outer tub 20 through the mounting hole 22 a.

The clothes treatment device comprises a control device and a driving motor.

The driving motor is used for driving the inner cylinder 10 to selectively rotate forward or reverse, and it is understood that the driving motor may directly drive the inner cylinder 10 to rotate or indirectly drive the inner cylinder 10 to rotate through a transmission member such as a belt.

The control device communicates with the drive motor and motor assembly 52 to control the timing and direction of rotation of the motor assembly 52 and drive motor. In this way, the drainage control of the inner cylinder 10 is achieved by the joint cooperation of the rotation direction of the inner cylinder 10 and the expansion and contraction of the lever assembly 54.

In the description of the present application, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present application. In this application, the schematic representations of the above terms are not necessarily for the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the various embodiments or examples described herein, as well as the features of the various embodiments or examples, may be combined by those skilled in the art without contradiction.

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations can be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims (12)

1. A drain driving device for a laundry treatment apparatus comprising an inner drum (10) and a drain valve assembly (30), the inner drum (10) being capable of containing water, the inner drum (10) being formed with a drain opening, characterized in that the drain driving device comprises:

a mounting base (51);

the deflector rod assembly (54) is slidably connected with the mounting seat (51), and the deflector rod assembly (54) is provided with an extending position for poking the drain valve assembly (30) and a retracting position for avoiding the drain valve assembly (30);

a motor assembly (52) having a power output shaft (521);

-a reversing element (53), said reversing element (53) being adapted to convert a rotation of said power take-off shaft (521) into a translation of said lever assembly (54) to drive at least said lever assembly (54) to switch from said retracted position to said extended position.

2. The drain driving device according to claim 1, wherein the power output shaft (521) drives the lever assembly (54) to reciprocate linearly through the reversing member (53).

3. The drain driving device according to claim 1, wherein an axis of the power output shaft (521) is perpendicular to a movement direction of the lever assembly (54).

4. The drain driving device according to claim 1, wherein the reversing member (53) is a rigid body.

5. The drain driving device according to claim 1, wherein the reversing element (53) comprises a rotary disc (531) and a protruding shaft (532) which are connected to each other, the rotary disc (531) being in a non-rotational fit with the power output shaft (521), the protruding shaft (532) being arranged eccentrically on one axial side of the rotary disc (531); the deflector rod assembly (54) is provided with a chute (542 a), the protruding shaft (532) is arranged in the chute (542 a) and can slide in the chute (542 a), and the deflector rod assembly (54) performs linear reciprocating motion under the swinging of the protruding shaft (532) around the rotation center of the turntable (531).

6. The drain driving device according to any one of claims 1 to 5, wherein the mount (51) is provided with a mounting space (51 a), and a mounting opening (51 b) is provided on a front side of the mount (51);

the deflector rod assembly (54) comprises a deflector rod (541) and a base (542) which are connected with each other, the base (542) is slidably restrained in the mounting space (51 a) by the mounting base (51), and the deflector rod (541) can extend out of the mounting opening (51 b).

7. The drain driving device according to claim 6, wherein one of the mount (51) and the base (542) is provided with a guide rail (542 b) extending in a movement direction of the lever assembly (54), and wherein the other is provided with a guide groove (51 c) extending in the movement direction of the lever assembly (54), the guide rail (542 b) and the guide groove (51 c) being slidably fitted.

8. The drain driving device according to claim 6, wherein the mounting seat (51) is provided below the motor assembly (52), a top side of the mounting space (51 a) is opened, and the motor assembly (51) covers the opening of the top side of the mounting space (51 a).

9. The drain driving device according to claim 8, wherein the reversing element (53) is fixedly connected to the power output shaft (521) and suspended below the power output shaft (521).

10. The drain driving device according to claim 6, wherein a rear side of the installation space (51 a) is opened, and the base (542) and the reversing member (53) are exposed to an external view of the installation seat (51).

11. A cartridge assembly comprising:

an inner cylinder (10), wherein the inner cylinder (10) can hold water, and a water outlet is formed on the inner cylinder (10);

an outer tub (20), wherein the inner tub (10) is rotatably provided in the outer tub (20), and a mounting hole (22 a) is formed at the rear side of the outer tub (20) in the axial direction;

a drain valve assembly (30) disposed on the inner cylinder (10);

and the drain driving device according to any one of claims 1 to 10, wherein the lever assembly (54) is capable of extending into the outer tub (20) through the mounting hole (22 a) and interfering with a movement locus of the drain valve assembly (30), so that the drain valve assembly (30) is capable of selectively opening or closing the drain opening.

12. A laundry treatment apparatus, comprising:

the driving motor is used for driving the inner cylinder (10) to selectively rotate forwards or backwards;

the cartridge of claim 11;

and a control device which communicates with the driving motor and the motor assembly (52) to control the rotation time sequence and the rotation direction of the motor assembly (52) and the driving motor.

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