KR20220115490A - Washing - Google Patents

Abstract

A washing machine having a pulsator with an improved structure is disclosed. The washing machine includes a tub, a rotating tub provided to be rotatable inside the tub, the pulsator provided in the rotating tub and generating a washing water current, an agitator coupled to the pulsator and generating a water current by rubbing laundry with water, and a discharge unit provided in a coupling portion of the pulsator and the agitator to discharge foreign materials or water from the inside of the pulsator and the agitator.

Description

washing machine{WASHING}

The present invention relates to a washing machine, and more particularly, to a washing machine having an improved structure of a pulsator.

A washing machine is a device that uses the driving force of a motor to stir laundry, washing water, and detergent put into a drum together so that washing is performed through mutual friction.

In general, a washing machine includes a pulsator type washing machine that performs washing by rotating washing water and laundry with a pulsator rotatably installed on the floor inside the water tank, and an agitator protruding from the center of the inside of the water tank There are an agitator-type washing machine that performs washing by stirring washing water and laundry with a furnace, and a drum washing machine that performs washing while repeatedly raising and dropping the laundry by rotating a drum containing the laundry.

In addition, the washing machine is provided with a tub for storing water and a rotating tub rotatably installed inside the tub. A pulsator that forms a water flow while rotating is installed in the lower part of the rotating tank. The pulsator rotates in a forward and reverse direction to form a water flow, and the washing water and laundry are stirred and rotated by the water flow formed by the pulsator to wash the laundry.

Recently, research on a structure for improving washing power by adding complexity to the flow of laundry has been conducted.

One aspect of the present invention provides a washing machine with an improved structure of the pulsator.

Another aspect of the present invention provides a washing machine in which the coupling structure of the pulsator and the agitator is improved.

Another aspect of the present invention provides a washing machine in which a discharge passage is provided so that water and foreign substances are formed at a coupling portion of the pulsator and the agitator.

A washing machine according to the spirit of the present invention includes a tub; a rotating tub rotatably provided in the tub; a pulsator provided in the rotary tub to generate washing water; and an agitator coupled to the pulsator and provided to generate a water flow by rubbing the laundry with water, wherein foreign substances or water inside the pulsator and the agitator are discharged. It includes; a discharge part provided in the coupling part.

In addition, the discharge unit includes a first discharge hole formed in at least a portion of the pulsator and a second discharge hole formed in at least a portion of the agitator.

In addition, the first discharge hole and the second discharge hole are provided at positions corresponding to each other.

In addition, each of the first discharge hole and the second discharge hole is provided in plurality.

In addition, the coupling part includes a first coupling part provided at the center of the pulsator, and a second coupling part provided under the agitator to correspond to the first coupling part.

In addition, the first discharge hole is provided in the first coupling portion, and the second discharge hole is provided in the second coupling portion.

In addition, the first coupling part includes a coupling groove body formed in a cylindrical shape in the center of the upper surface of the pulsator, and at least one coupling groove recessed from the bottom of the coupling groove body.

In addition, a plurality of the coupling grooves are disposed to be spaced apart from each other in the circumferential direction of the coupling groove body.

In addition, the first discharge hole is formed in at least a portion of the coupling groove.

In addition, the second coupling part includes a coupling protrusion body formed at the lower end of the agitator to correspond to the coupling groove body, and at least one coupling protrusion protruding from the lower end of the coupling protrusion body to correspond to the coupling groove. include more

In addition, the second discharge hole is formed in at least a portion of the coupling protrusion.

In addition, the second discharge hole is located at the bottom of the coupling protrusion.

In addition, the discharge unit further includes a discharge passage formed to discharge water and foreign substances inside the agitator, and the first discharge hole and the second discharge hole are located in the discharge passage.

In addition, the discharge flow path is formed between the inside of the agitator or the pulsator and the outside of the pulsator.

A washing machine according to another aspect of the present invention includes a rotary tub accommodating laundry; Includes; a pulsator rotatably provided in the rotating tub, wherein the pulsator is rotatably coupled to a first part rotatably provided at a lower portion of the rotating tub, rotatably about an axis perpendicular to the first part a second part, a coupling part provided to correspond to each other so that the first part and the second part are coupled to each other, and a discharge hole provided in the coupling part so that foreign substances and water inside the pulsator are discharged through the coupling part includes

In addition, the discharge hole includes a first discharge hole formed in at least a portion of the first portion, and a second discharge hole formed in at least a portion of the second portion,

In addition, the first discharge hole and the second discharge hole are positioned to correspond to each other.

In addition, the coupling part includes a first coupling part provided in the first part, and a second coupling part provided in the second part to correspond to the first coupling part.

In addition, the first discharge hole is formed in the first coupling portion, and the second discharge hole is formed in the second coupling portion.

In addition, a plurality of the first discharge hole and the second discharge hole are positioned to correspond to each other.

In addition, the discharge hole further includes a discharge passage formed to discharge water and foreign substances inside the pulsator, and the first discharge hole and the second discharge hole are located on the discharge passage.

The pulsator of the present invention has the effect of improving the washing power by improving the structure to generate washing water flow by rubbing the laundry with the washing water.

In addition, a discharge passage for water and foreign substances is provided at the coupling portion of the pulsator and the agitator, thereby preventing foreign substances and washing water from remaining inside the pulsator.

In addition, there is an effect that can improve the durability of the product by improving the coupling structure of the pulsator and agitator.

1 is a cross-sectional view of a washing machine according to an embodiment of the present invention;
2 is a perspective view illustrating an internal structure of a washing machine according to an embodiment of the present invention;
3 is a perspective view showing a pulsator according to an embodiment of the present invention;
4 is an exploded perspective view showing a coupling part of a pulsator according to an embodiment of the present invention;
5 is a partially exploded perspective view showing the bottom of the pulsator according to an embodiment of the present invention;
6 is an enlarged view of part A of FIG. 3;
7 is a view showing a discharge unit provided in the coupling portion of the pulsator according to an embodiment of the present invention;
8 is an enlarged view of part B of FIG. 5;
9 is a cross-sectional view of a pulsator according to an embodiment of the present invention;
10 is an enlarged view of part C of FIG. 8;
11 is a cross-sectional view showing a pulsator of a washing machine according to another embodiment of the present invention;
12 is an enlarged view of part D of FIG. 11;
13 is a view showing the discharge part of the pulsator according to another embodiment of the present invention.

The configuration shown in the embodiments and drawings described in this specification is only a preferred example of the disclosed invention, and there may be various modifications that can replace the embodiments and drawings of the present specification at the time of filing of the present application.

In addition, the same reference numbers or reference numerals in each drawing in the present specification indicate parts or components that perform substantially the same functions.

In addition, the terms used herein are used to describe the embodiments, and are not intended to limit and/or limit the disclosed invention. The singular expression includes the plural expression unless the context clearly dictates otherwise. In the present specification, terms such as “comprise” or “have” are intended to designate that a feature, number, step, operation, component, part, or combination thereof described in the specification exists, but one or more other features It does not preclude the possibility of the presence or addition of numbers, steps, operations, components, parts, or combinations thereof.

In addition, terms including ordinal numbers such as “first” and “second” used in this specification may be used to describe various components, but the components are not limited by the terms, and the terms are It is used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, a first component may be referred to as a second component, and similarly, a second component may also be referred to as a first component. The term “and/or” includes any combination of a plurality of related listed items or any of a plurality of related listed items.

In addition, the terms "tip", "rear end", "upper", "lower", "upper" and lower" used in the following description are defined based on the drawings, and the shape and position of each component by this term is not limited.

1 is a cross-sectional view of a washing machine according to an embodiment of the present invention, and FIG. 2 is a perspective view showing an internal structure of the washing machine according to an embodiment of the present invention.

1 to 2 , the washing machine 1 includes a cabinet 10 forming an exterior, a tub 11 disposed inside the cabinet 10 to store washing water, and the inside of the tub 11 . It may include a rotating tub 12 rotatably disposed in the pulsator 100, which is disposed inside the rotating tub 12 to generate a water flow.

The cabinet 10 forms the exterior of the washing machine 1 and is formed in a substantially rectangular parallelepiped shape. An inlet 10a is formed at the upper portion of the cabinet 10 to put laundry into the rotating tub 12 . A door capable of opening and closing the inlet 10a may be provided on the upper surface of the cabinet 10 . The inlet 10a may be opened and closed by the door 40 installed on the upper portion of the cabinet 10 .

The tub 11 is installed vertically inside the cabinet 10 . The tub 11 is formed in a substantially hollow cylindrical shape with a bottom to accommodate a predetermined amount of wash water. The tub 11 may be supported on the cabinet 10 by the suspension 15 . Vibration generated in the tub 11 may be attenuated by the suspension 15 .

A water supply pipe 17 for supplying wash water to the tub 11 is installed at an upper portion of the tub 11 . One side of the water supply pipe 17 is connected to an external water supply source, and the other side of the water supply pipe 17 is connected to the detergent supply device 16 . The water supplied through the water supply pipe 17 is supplied into the tub 11 together with the detergent via the detergent supply device 16 . A water supply valve 18 is installed in the water supply pipe 17 to control the supply of water.

The rotary tub 12 is formed in a substantially hollow cylindrical shape with a bottom, and is rotatably installed inside the tub 11 . The rotary tub 12 is provided in a cylindrical shape with an open top, and a plurality of dewatering holes 13 are formed on the side thereof. A balancer 14 may be mounted on the upper portion of the rotating tub 12 so that the rotating tub 12 can stably rotate during high-speed rotation.

On the outside of the lower side of the tub 11, a motor 25 for generating a driving force for rotating the rotating tub 12 and the pulsator 100, and a driving force generated from the motor 25 are applied to the rotating tub 12 and the pulsator ( A power switching device 26 for simultaneous or selective transmission to 100 is installed.

A hollow dewatering shaft 29 is coupled to the rotating tub 12 , and the washing shaft 27 installed in the hollow portion of the dewatering shaft 29 is coupled to the pulsator 100 through the washing shaft coupling unit 28 . can be The motor 25 may simultaneously or selectively transmit a driving force to the rotary tub 12 and the pulsator 100 according to the lifting operation of the power switching device 26 .

The power switching device 26 includes an actuator 30 that generates a driving force for power switching, a rod part 31 that moves linearly according to the operation of the actuator 30, and a rod part 31 connected to the rod part ( 31) may be configured to include a clutch unit 32 that rotates according to the operation.

A drain hole 20 is formed at the bottom of the tub 11 to discharge the wash water stored in the tub 11 , and a first drain pipe 21 is connected to the drain hole 20 . A drain valve 22 for intermittent drainage may be installed in the first drain pipe 21 . The outlet of the drain valve 22 may be connected to the second drain pipe 23 for discharging wash water to the outside.

The rotating tub 12 may be rotatably provided inside the tub 11 . The rotating tub 12 may be formed in a substantially cylindrical shape with an open upper surface. The rotating tub 12 may be disposed so that its central axis coincides with the central axis of the tub 11 .

The pulsator 100 may be rotatably provided on the inner bottom of the rotating tub 12 . The pulsator 100 is rotatably installed on the lower side of the rotating tub 12, agitates the laundry put into the rotating tub 12 with washing water, and generates a water flow to remove the laundry in the rotating tub 12. It can be washed by friction.

Figure 3 is a perspective view showing a pulsator according to an embodiment of the present invention, Figure 4 is an exploded perspective view showing a coupling portion of the pulsator according to an embodiment of the present invention, Figure 5 is according to an embodiment of the present invention It is a partially exploded perspective view showing the bottom of the pulsator.

3 to 5, the pulsator 100 rotates forward and backward in the rotating tub to generate a water flow, and washes the laundry in the rotating tub 12 into the water flow generated by the pulsator 100. It is agitated by means of friction and is provided to be washed by friction.

The pulsator 100 may include a first portion 110 formed in a substantially disk shape, and a second portion 120 coupled to the first portion 110 to be rotatably provided.

The first part 110 of the pulsator is provided under the rotating tub 12 to generate a washing water flow, and the second part 120 is coupled to stand upright in the center of the first part 110 to receive laundry and It may be provided to generate a water flow by rubbing the washing water (water).

Hereinafter, the second part 120 coupled to the first part 110 of the pulsator 100 and installed vertically extending upward will be referred to as an agitator.

The first part 110 of the pulsator 100 may include a pulsator body 111 and at least one body wing 113 protruding from the upper surface of the pulsator body 111 . The pulsator body 111 may be formed in a disk shape. The pulsator body 111 is rotatably installed on the inner lower surface of the rotating tub 12 . A plurality of holes 110a may be formed in the pulsator body 111 . The plurality of holes 110a may be formed around the circumferential direction of the pulsator body 111 . Wash water may move to the outside of the pulsator 100 through the plurality of holes 110a.

A plurality of body wings 113 formed on the upper surface of the pulsator body 111 are formed in the same shape, and may be spaced apart from each other at regular intervals in the circumferential direction of the pulsator body 111 .

The pulsator body 111 may be provided with a shaft coupling boss 115 in which a shaft coupling groove 116 is formed so that the washing shaft coupling portion 28 of the washing shaft 27 can be fitted. The shaft coupling boss 115 may be formed on the center rear surface of the pulsator body 111 . The shaft coupling boss 115 is formed in a hollow cylindrical shape, and the shaft coupling groove 116 in which a plurality of spline grooves 116a are formed is provided on the inner circumferential surface.

A plurality of ribs 117 extending radially around the shaft coupling boss 115 may be provided on the rear surface of the pulsator body 111 . A plurality of ribs 117 formed on the pulsator body 111 may be provided to function as an impeller.

In the center of the upper surface of the pulsator body 111, the second part 120 of the pulsator 100, that is, the coupling part 300 for coupling the agitator 120 may be provided. The coupling unit 300 will be described in detail below.

The agitator 120 of the pulsator 100 may include an agitator body 121 formed in a substantially cylindrical shape, and agitator wings 122 protruding from an outer circumferential surface of the agitator body 121 .

The agitator body 121 may be coupled to the first part 110 and rotatably installed inside the rotating tub 12 . The agitator body 121 may be installed vertically from the center of the first part 110 . The agitator body 121 rotates inside the rotating tub 12 to rub the laundry mixed with the wash water to perform washing.

The agitator wing 122 may be provided to protrude around the outer peripheral surface of the agitator body 121 to improve the friction of laundry.

A coupling part 300 may be provided at a lower portion of the agitator 120 for coupling with the first part 110 . The agitator 120 and the first part 110 of the pulsator 100 may be coupled through the coupling part 300 .

The pulsator 100 may include a coupling part 300 provided to couple the first part 110 and the agitator 120 .

The coupling part 300 includes a first coupling part 310 provided on the first part 110 and a second coupling part 320 provided on the agitator 120 to correspond to the first coupling part 310 . may include

The first coupling part 310 may be formed in the center of the first part 110 of the pulsator 100 . The second coupling part 320 is formed at the lower end of the agitator 120 , and may be formed in a shape corresponding to the first coupling part 310 .

In the coupling part 300 for coupling the first part 110 and the agitator 120 of the pulsator 100, the pulsator 100 and the agitator 120 are discharged so that foreign substances and wash water are discharged. A unit 400 may be provided.

The discharge unit 400 may be provided to discharge foreign substances and wash water flowing into the interior of the pulsator 100 . The discharge unit 400 may be located at the coupling unit 300 of the first portion 110 and the second portion 120 of the pulsator 100 .

6 is an enlarged view of part A of FIG. 3, FIG. 7 is a view showing the discharge unit provided in the coupling part of the pulsator according to an embodiment of the present invention, and FIG. 8 is an enlarged view of part B of FIG. Figure 9 is a cross-sectional view of the pulsator according to an embodiment of the present invention, Figure 10 is an enlarged view of part C of Figure 8.

6 to 10 , the pulsator 100 may include a discharge part 400 formed in the coupling part 300 of the first part 110 and the agitator 120 .

The coupling part 300 of the pulsator 100 includes a first coupling part 310 provided in the first part 110 of the pulsator 100 and the agitator 120 to correspond to the first coupling part 310 . ) may include a second coupling portion 320 provided at the lower end.

The first coupling part 310 may be formed in the center of the upper surface of the first part 110 . The first coupling part 310 includes a coupling groove body 311 formed by being depressed in a cylindrical shape in the center of the upper surface of the pulsator body 111, and a coupling groove 313 recessed from the bottom of the coupling groove body. can

The coupling groove body 311 of the first coupling part 310 may be formed in a substantially cylindrical shape. The coupling groove body 311 has a circular bottom 312 , and an upper surface thereof may be opened. A plurality of coupling grooves 313 may be formed in the bottom 312 of the coupling groove body 311 . A plurality of coupling grooves 313 may be disposed to be spaced apart from each other in a circumferential direction of the coupling groove body 311 . The plurality of coupling grooves 313 may be formed to be spaced apart from each other around the circle of the coupling groove body 311 . In the embodiment of the present invention, it is illustrated that three coupling grooves are formed, but the spirit of the present invention is not limited thereto. For example, the number of defective grooves may be changed depending on the size of the pulsator or agitator.

The first coupling part 310 may further include a guide protrusion 331 protruding from the center of the bottom 312 of the coupling groove body 311 . The guide protrusion 331 of the first coupling part 310 may be provided to be connected to the shaft coupling boss 115 formed on the rear surface of the coupling groove body 311 . The guide protrusion 331 may be formed to extend from the shaft coupling boss 115 .

The guide protrusion 331 of the first coupling part 310 may be provided to correspond to the guide hole 332 of the second coupling part 320 to be described later. The guide protrusion 331 of the first coupling part 310 may be provided correspondingly to be inserted into the guide hole 332 of the second coupling part 320 . The guide protrusion 331 may be formed in a size and shape corresponding to the guide hole 332 . The guide protrusion 331 and the guide hole 332 may be provided to guide the coupling of the first coupling part 310 and the second coupling part 320 .

The second coupling part 320 may be provided to correspond to the first coupling part 310 . The second coupling part 320 includes a coupling protrusion body 321 formed under the agitator 120 to correspond to the coupling groove body 311 , and the coupling protrusion body 321 to correspond to the coupling groove 313 . It may include a coupling protrusion 322 protruding toward the bottom.

The coupling protrusion body 321 of the second coupling part 320 may be formed in a substantially cylindrical shape. The coupling protrusion body 321 may be integrally formed with the lower end of the agitator 120 . The coupling protrusion body 321 has a circular bottom surface 321a, and a plurality of coupling protrusions 322 may be formed on the bottom surface 321a of the coupling protrusion body 321 . A plurality of coupling protrusions 322 may be disposed to be spaced apart from each other in a circumferential direction of the coupling protrusion body 321 . The plurality of coupling protrusions 322 may be formed to be spaced apart from each other around the circle of the coupling protrusion body 321 . The coupling protrusion 322 may be formed to correspond to the coupling groove 313 of the first coupling part 310 .

The second coupling part 320 may further include a guide hole 332 formed in the center of the bottom surface 321a of the coupling protrusion body 321 . The guide hole 332 of the second coupling part 320 may be provided to correspond to the guide protrusion 331 of the first coupling part 310 . The guide hole 332 may be formed in a size and shape corresponding to the guide protrusion. The guide hole 332 may be guided by the guide protrusion 331 to guide the coupling of the first coupling part 310 and the second coupling part 320 .

The second coupling part 320 is provided under the agitator 120 , and the agitator 120 has a support rib ( 324) may be further included. The support rib 324 may be provided on the outer peripheral surface of the agitator body 121 . The support rib 324 may be formed to extend on the outer peripheral surface of the agitator body 121 . The support rib 324 may be formed to correspond to the upper opening of the coupling groove body 311 of the first coupling part 310 .

The coupling unit 300 of the pulsator 100 may be provided with a discharge unit 400 for discharging foreign substances and wash water introduced into the pulsator 100 and the agitator 120 .

The discharge unit 400 may be formed in at least a portion of the first portion 110 and the second portion 120 of the pulsator 100 . The discharge unit 400 may be formed in at least a portion of the coupling unit 300 of the pulsator 100 . The discharge part 400 may be formed in the first coupling part 310 . The discharge part 400 may be formed in the second coupling part 320 . The discharge unit 400 may further include at least one or more holes.

The discharge unit 400 may include a first discharge hole 410 formed in at least a portion of the first portion 110 and a second discharge hole 420 formed in at least a portion of the agitator 120 .

The first discharge hole 410 and the second discharge hole 420 of the discharge unit 400 may be formed at positions corresponding to each other. The first discharge hole 410 and the second discharge hole 420 may be formed to be connected to each other.

The first discharge hole 410 of the discharge unit 400 may be formed in the first coupling unit 310 provided in the first portion 110 . The first discharge hole 410 may be formed in the coupling groove 313 of the first coupling part 310 . The first discharge hole 410 may be formed in the bottom of the coupling groove 313 .

The second discharge hole 420 may be formed in the second coupling part 320 provided in the agitator 120 . The second discharge hole 420 may be formed in the coupling protrusion 322 of the second coupling part 320 . The second discharge hole 420 may be formed at the bottom of the coupling protrusion 322 .

The first discharge hole 410 formed in the bottom of the coupling groove 313 of the first coupling part 310 and the second discharge hole 420 formed in the bottom of the coupling protrusion 322 of the second coupling part 320 are connected to each other. become and pass

The foreign substances and wash water introduced into the pulsator 100 and the agitator 120 through the first discharge hole 410 and the second discharge hole 420 are removed from the pulsator 100 and the agitator 120 . will be discharged to the outside.

The discharge unit 400 may further include a discharge passage 400a formed so that water and foreign substances inside the pulsator 100 or agitator 120 are discharged to the outside of the pulsator 100 or agitator 120. have. The first discharge hole 410 and the second discharge hole 420 may be located on the discharge passage 400a. Water or foreign substances inside the pulsator 100 or agitator 120 may be discharged to the outside of the pulsator 100 or agitator 120 through the first discharge hole 410 and the second discharge hole 420 . have.

11 is a cross-sectional view showing a pulsator of a washing machine according to another embodiment of the present invention, FIG. 12 is an enlarged view of part D of FIG. It is a drawing. Reference numerals not shown refer to FIGS. 1 to 10 .

11 to 13, the pulsator 100A is provided at the lower portion of the rotating tub 12 to generate a washing water flow with a first portion 110A, and the center of the first portion 110A It may include a second portion (120A) coupled to stand upright provided to generate a water flow by rubbing the laundry and washing water (water).

The pulsator 100A may further include a coupling portion 300A for coupling the first portion 110A and the second portion 120A. The coupling part 300A may include a first coupling part 310A provided in the first part 110A and a second coupling part 320A provided in the second part 120A.

In the coupling portion 300A of the first portion 110A and the second portion 120A, a discharge portion 400A for discharging foreign substances and wash water introduced into the pulsator 100A may be provided. . The discharge unit 400A may include at least one or more holes.

The discharge unit 400A may include a first discharge hole 410A formed in at least a portion of the first portion 110A and a second discharge hole 420A formed in at least a portion of the second portion 120A. .

The first discharge hole 410A and the second discharge hole 420A of the discharge unit 400A may be formed at positions corresponding to each other. The first discharge hole 410A and the second discharge hole 420A may be formed to be connected to each other.

The first discharge hole 410A of the discharge unit 400A may be formed in the first coupling unit 310A provided in the first portion 110A. The first discharge hole 410A may be formed in the coupling groove 313A of the first coupling part 310A. The first discharge hole 410A may be formed at a corner of the coupling groove 313A. The coupling groove 313A may include a defect groove side surface 313Aa provided to extend below the coupling groove body 311A, and a coupling groove bottom surface 313Ab formed to extend from the coupling groove side surface 313Aa. . The first discharge hole 410A may be formed at the edge of the coupling groove 313A, that is, a connection portion between the coupling groove side surface 313Aa and the coupling groove bottom surface 313Ab.

The second discharge hole 420A may be formed in the second coupling part 320A provided in the second part 120A. The second discharge hole 420A may be formed in the coupling protrusion 322A of the second coupling part 320A. The second discharge hole 420A may be formed at a corner of the coupling protrusion 322A.

The coupling protrusion 322A may include a defect protrusion side surface 322Aa provided to extend below the coupling protrusion body 321A, and a coupling protrusion bottom surface 322Ab formed to extend from the coupling protrusion side surface 322Aa. . The second discharge hole 420A may be formed at the edge of the coupling protrusion 322A, that is, at the connection portion between the coupling protrusion side surface 322Aa and the coupling protrusion bottom surface 322Ab. The second discharge hole 420A may be located at a position corresponding to the first discharge hole 410A.

The first discharge hole 410A formed in the coupling groove 313A of the first coupling part 310A and the second discharge hole 420A formed in the coupling protrusion 322A of the second coupling part 320A are connected to each other and communicate with each other. do.

Accordingly, foreign substances and wash water introduced into the interior of the pulsator 100A by the first discharge hole 410A and the second discharge hole 420A are discharged to the outside of the pulsator 100A.

As described above for the understanding of the present invention, the embodiments have been described, but as those skilled in the art will know, the present invention is not limited to the specific embodiments described herein, but various modifications are made without departing from the scope of the present invention. , subject to change and substitution.

1: washing machine 10: cabinet
11: tub 12: rotary tub
100: pulsator 110: first part
120: second part (agitator) 300: coupling part
310: first coupling part 320: second coupling part
400: discharge unit 410: first discharge hole
420: second discharge hole

Claims (20)

tub;
a rotating tub rotatably provided in the tub;
a pulsator provided in the rotary tub to generate washing water; and
It is coupled to the pulsator and includes an agitator provided to generate a water flow by rubbing the laundry and water,
A washing machine comprising a; a discharge unit provided at a coupling portion of the pulsator and the agitator so that foreign substances or water inside the pulsator and the agitator are discharged. The method of claim 1,
The discharge unit,
a first discharge hole formed in at least a portion of the pulsator;
and a second discharge hole formed in at least a portion of the agitator. 3. The method of claim 2,
The first discharge hole and the second discharge hole are provided at positions corresponding to each other. 4. The method of claim 3,
The first discharge hole and the second discharge hole are each provided in plurality. 3. The method of claim 2,
The coupling part,
And a first coupling portion provided in the center of the pulsator,
and a second coupling part provided under the agitator to correspond to the first coupling part. 6. The method of claim 5,
The first discharge hole is provided in the first coupling portion,
The second discharge hole is provided in the second coupling part. 7. The method of claim 6,
The first coupling part,
And a coupling groove body formed in a cylindrical shape in the center of the upper surface of the pulsator,
The washing machine including at least one coupling groove recessed from the bottom of the coupling groove body. 8. The method of claim 7,
A washing machine in which a plurality of coupling grooves are spaced apart from each other in a circumferential direction of the coupling groove body. 8. The method of claim 7,
The first discharge hole is formed in at least a portion of the coupling groove. 8. The method of claim 7,
The second coupling part,
a coupling protrusion body formed at the lower end of the agitator to correspond to the coupling groove body;
The washing machine further comprising at least one coupling protrusion protruding from the lower end of the coupling protrusion body to correspond to the coupling groove. 11. The method of claim 10,
The second discharge hole is formed in at least a portion of the coupling protrusion. 12. The method of claim 11,
The second discharge hole is located at the bottom of the coupling protrusion. 8. The method of claim 7,
The discharge unit,
Further comprising a discharge passage formed to discharge water and foreign substances inside the agitator,
The first discharge hole and the second discharge hole are located in the discharge passage. 14. The method of claim 13,
The discharge path is
A washing machine formed between the inside of the agitator or the pulsator and the outside of the pulsator. a rotary tub for accommodating laundry;
Including; a pulsator that is rotatably provided in the rotating tub;
The pulsator is
A first part rotatably provided at the lower part of the rotary tub;
a second part rotatably coupled about an axis perpendicular to the first part;
a coupling part provided to correspond to each other so that the first part and the second part are coupled;
and a discharge hole provided in the coupling part so that foreign substances and water inside the pulsator are discharged through the coupling part. 16. The method of claim 15,
The discharge hole is
a first discharge hole formed in at least a part of the first part;
and a second discharge hole formed in at least a part of the second part,
The first discharge hole and the second discharge hole are positioned to correspond to each other. 17. The method of claim 16,
The coupling part,
a first coupling part provided on the first part;
and a second coupling part provided on the second part to correspond to the first coupling part. 18. The method of claim 17,
The first discharge hole is formed in the first coupling portion, and the second discharge hole is formed in the second coupling portion. 19. The method of claim 18,
A washing machine in which a plurality of the first discharge hole and the second discharge hole are positioned to correspond to each other. 19. The method of claim 18,
The discharge hole is
Further comprising a discharge flow path formed to discharge the water and foreign substances inside the pulsator,
The first discharge hole and the second discharge hole are located on the discharge passage.

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